TEXAS INSTRUMENTS LM4041 Technical data

www.ti.com
Adjustable. . . DBZ (SOT-23) PACKAGE
(TOP VIEW)
FB
CATHODE
Adjustable. . . DCK (SC-70) PACKAGE
(TOP VIEW)
NC
NC
1
2
3
1 2
3
5
4
FB
CATHODE
Adjustable. . . LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
NC − No internal connection
1.2 V . . . DBZ (SOT-23) PACKAGE (TOP VIEW)
CATHODE
*
1.2 V . . . DCK (SC-70) PACKAGE (TOP VIEW)
NC
1
2
3
1
2 3
5
4
NC
CATHODE
1.2 V . . . LP (TO-92/TO-226) PACKAGE (TOP VIEW)
NC − No internal connection * Pin 2 must be connected to ANODE or left open.
* Pin 3 must be connected to ANODE or left open.
NC − No internal connection
FB
CATHODE
NC
CATHODE
*
查询LM4041A12IDBZR供应商
LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
FEATURES
Available in
1.225-V Fixed and Adjustable Outputs Industrial Temperature: –40 ° C to 85 ° C
(1.225 V to 10 V)
Tight Output Tolerances and Low
Temperature Coefficient – Max 0.1%, 100 ppm/ ° C A Grade – Max 0.2%, 100 ppm/ ° C B Grade – Max 0.5%, 100 ppm/ ° C C Grade – Max 1.0%, 150 ppm/ ° C D Grade
Low Output Noise . . . 20 µ V
RMS
Wide Operating Current Range . . . 45 µ A (Typ) to 12 mA
Stable With All Capacitive Loads; No Output
(Typ)
Extended Temperature: –40 ° C to 125 ° C
Applications
Data-Acquisition Systems – Power Supplies and Power-Supply Monitors – Instrumentation and Test Equipment – Process Control – Precision Audio – Automotive Electronics – Energy Management/Metering – Battery-Powered Equipment
Capacitor Required
DESCRIPTION/ORDERING INFORMATION
The LM4041 series of shunt voltage references are versatile, easy-to-use references with a vast array of applications. They require no external resistors or capacitors for operation and are stable with all capacitive loads. Additionally, the reference offers low dynamic impedance, low noise, and a low temperature coefficient to ensure a stable output voltage over a wide range of operating currents and temperatures. The LM4041 uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to offer four output voltage tolerances, ranging from 0.1% (max) for the A grade to 1% (max) for the D grade. Thus, a great deal of flexibility is offered to designers in choosing the best cost-to-performance ratio for their applications. The LM4041 is available in a fixed (1.225 V nominal) or an adjustable version (which requires an external resistor divider to set the output to a value between 1.225 V and 10 V).
Packaged in space-saving SC-70 and SOT-23-3 and requiring a minimum current of 45 µ A (typ), the LM4041 also is ideal for portable applications. The TO-92 package also is available for through-hole packaging needs. The LM4041xI is characterized for operation over an ambient temperature range of –40 ° C to 85 ° C. The LM4041xQ is characterized for operation over an ambient temperature range of –40 ° C to 125 ° C.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright © 2005, Texas Instruments Incorporated
www.ti.com
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
ORDERING INFORMATION
T
A
–40 ° C to 85 ° C C grade:
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(2) DBZ/DCK: The actual top-side marking has one additional character that designates the assembly/test site.
DEVICE GRADE V
A grade: SC-70 (DCK) Reel of 3000 LM4041A12IDCKR PREVIEW
0.1% initial accuracy
and 1.2 V 100 ppm/ ° C temperature
coefficient
B grade:
0.2% initial accuracy
and 100 ppm/ ° C temperature
coefficient
0.5% initial accuracy
and Reel of 2000 LM4041CILPR 100 ppm/ ° C temperature
coefficient
D grade:
1.0% initial accuracy
and Reel of 2000 LM4041DILPR 150 ppm/ ° C temperature
coefficient
Z
SOT-23-3 (DBZ) PREVIEW
TO-92/TO-226 (LP) PREVIEW
SC-70 (DCK) Reel of 3000 LM4041BIDCKR PREVIEW
ADJ Reel of 250 LM4041BIDBZT
1.2 V Reel of 250 LM4041B12IDBZT
ADJ SOT-23-3 (DBZ) 4MH_
1.2 V Reel of 250 LM4041C12IDBZT
ADJ SOT-23-3 (DBZ) 4MJ_
1.2 V Reel of 250 LM4041D12IDBZT
SOT-23-3 (DBZ) PREVIEW
TO-92/TO-226 (LP) PREVIEW
SC-70 (DCK) Reel of 3000 LM4041B12IDCKR PREVIEW
SOT-23-3 (DBZ) PREVIEW
TO-92/TO-226 (LP) PREVIEW
SC-70 (DCK) MH_
TO-92/TO-226 (LP) PREVIEW
SC-70 (DCK) Reel of 3000 LM4041C12IDCKR MM_
SOT-23-3 (DBZ) 4MM_
TO-92/TO-226 (LP) PREVIEW
SC-70 (DCK) MJ_
TO-92/TO-226 (LP) PREVIEW
SC-70 (DCK) Reel of 3000 LM4041D12IDCKR MN_
SOT-23-3 (DBZ) 4MN_
TO-92/TO-226 (LP) PREVIEW
PACKAGE
(1)
Reel of 3000 LM4041A12IDBZR Reel of 250 LM4041A12IDBZT Bulk of 1000 LM4041A12ILP Reel of 2000 LM4041A12ILPR
Reel of 3000 LM4041BIDBZR
Bulk of 1000 LM4041BILP Reel of 2000 LM4041BILPR
Reel of 3000 LM4041B12IDBZR
Bulk of 1000 LM4041B12ILP Reel of 2000 LM4041B12ILPR Reel of 3000 LM4041CIDCKR Reel of 250 LM4041CIDCKT Reel of 3000 LM4041CIDBZR Reel of 250 LM4041CIDBZT Bulk of 1000 LM4041CILP
Reel of 3000 LM4041C12IDBZR
Bulk of 1000 LM4041C12ILP Reel of 2000 LM4041C12ILPR Reel of 3000 LM4041DIDCKR Reel of 250 LM4041DIDCKT Reel of 3000 LM4041DIDBZR Reel of 250 LM4041DIDBZT Bulk of 1000 LM4041DILP
Reel of 3000 LM4041D12IDBZR
Bulk of 1000 LM4041D12ILP Reel of 2000 LM4041D12ILPR
ORDERABLE TOP-SIDE
PART NUMBER MARKING
(2)
2
www.ti.com
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
ORDERING INFORMATION
T
A
–40 ° C to 125 ° C
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(2) DBZ/DCK: The actual top-side marking has one additional character that designates the assembly/test site.
DEVICE GRADE V
C grade: Reel of 3000 LM4041CQDBZR
0.5% initial accuracy
and 100 ppm/ ° C temperature
coefficient
D grade: Reel of 3000 LM4041DQDBZR
1.0% initial accuracy
and 150 ppm/ ° C temperature
coefficient
Z
ADJ SOT-23-3 (DBZ) 4MP_
1.2 V SOT-23-3 (DBZ) 4MS_
ADJ SOT-23-3 (DBZ) 4MR_
1.2 V SOT-23-3 (DBZ) 4MT_
PACKAGE
(1)
Reel of 250 LM4041CQDBZT Reel of 3000 LM4041C12QDBZR
Reel of 250 LM4041C12QDBZT
Reel of 250 LM4041DQDBZT Reel of 3000 LM4041D12QDBZR
Reel of 250 LM4041D12QDBZT
ORDERABLE TOP-SIDE
PART NUMBER MARKING
LM4041
(2)
3
www.ti.com
CATHODE
ANODE
_
+
FB
(1)
(1) LM4041x (ADJ) only (2) LM4041x12 only
V
REF
(1)
(2)
(2)
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
FUNCTIONAL BLOCK DIAGRAM
Absolute Maximum Ratings
(1)
over free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
Z
I
Z
θ
JA
T
J
T
stg
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
(2) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient (3) The package thermal impedance is calculated in accordance with JESD 51-7.
Recommended Operating Conditions
I
Z
V
Z
T
A
(1) See parametric tables
Continuous cathode voltage 15 V Continuous cathode current –10 25 mA
DBZ package 206
Package thermal impedance
(2) (3)
DCK package 252 ° C/W
LP package 156 Operating virtual junction temperature 150 ° C Storage temperature range –65 150 ° C
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
temperature is PD= (TJ(max) TA)/ θJA. Operating at the absolute maximum TJof 150 ° C can affect reliability.
MIN MAX UNIT
Cathode current
(1)
Reverse breakdown voltage (adjustable version) 10 V
Free-air temperature ° C
LM4041 (I temperature) –40 85
LM4041 (Q temperature) –40 125
12 mA
4
www.ti.com
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
LM4041x12I Electrical Characteristics
full-range TA= –40 ° C to 85 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
V
Z
I
Z,min
Reverse breakdown voltage
Reverse breakdown voltage tolerance
IZ= 100 µ A 25 ° C 1.225 1.225 V
IZ= 100 µ A mV
Minimum cathode current
A
25 ° C –1.2 1.2 –2.4 2.4
Full range –9.2 9.2 –10.4 10.4
25 ° C 45 75 45 75
Full range 80 80
IZ= 10 mA 25 ° C ± 20 ± 20
α
VZ
coefficient of reverse IZ= 1 mA ppm/ ° C breakdown voltage
Average temperature
25 ° C ± 15 ± 15
Full range ± 100 ± 100
IZ= 100 µ A 25 ° C ± 15 ± 15
I
< IZ< 1 mA
Reverse breakdown
Z,min
VZ/ IZvoltage change with mV
cathode current change
Z
Z
e
N
Reverse dynamic IZ= 1 mA, f = 120 Hz, impedance IAC= 0.1 I
Wideband noise 25 ° C 20 20 µ V
1 mA < IZ< 12 mA
Z
IZ= 100 µ A, 10 Hz f 10 kHz
25 ° C 0.7 1.5 0.7 1.5
Full range 2 2
25 ° C 4 6 4 6
Full range 8 8
25 ° C 0.5 1.5 0.5 1.5
Long-term stability of t = 1000 h, reverse breakdown TA= 25 ° C ± 0.1 ° C, 25 ° C 120 120 ppm voltage IZ= 100 µ A
LM4041A12I LM4041B12I
MIN TYP MAX MIN TYP MAX
LM4041
UNIT
µ A
RMS
5
www.ti.com
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
LM4041x12I Electrical Characteristics
full-range TA= –40 ° C to 85 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
V
Z
I
Z,min
Reverse breakdown voltage
Reverse breakdown voltage tolerance
IZ= 100 µ A 25 ° C 1.225 1.225 V
IZ= 100 µ A mV
Minimum cathode current
A
25 ° C –6 6 –12 12
Full range –14 14 –24 24
25 ° C 45 75 45 75
Full range 80 80
IZ= 10 mA 25 ° C ± 20 ± 20
α
VZ
coefficient of reverse IZ= 1 mA ppm/ ° C breakdown voltage
Average temperature
25 ° C ± 15 ± 15
Full range ± 100 ± 150
IZ= 100 µ A 25 ° C ± 15 ± 15
I
< IZ< 1 mA
Reverse breakdown
Z,min
VZ/ IZvoltage change with mV
cathode current change
Z
Z
e
N
Reverse dynamic IZ= 1 mA, f = 120 Hz, impedance IAC= 0.1 I
Wideband noise 25 ° C 20 20 µ V
1 mA < IZ< 12 mA
Z
IZ= 100 µ A, 10 Hz f 10 kHz
25 ° C 0.7 1.5 0.7 2
Full range 2 2.5
25 ° C 2.5 6 2.5 8
Full range 8 10
25 ° C 0.5 1.5 0.5 2
Long-term stability of t = 1000 h, reverse breakdown TA= 25 ° C ± 0.1 ° C, 25 ° C 120 120 ppm voltage IZ= 100 µ A
LM4041C12I LM4041D12I
MIN TYP MAX MIN TYP MAX
UNIT
µ A
RMS
6
www.ti.com
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
LM4041x12Q Electrical Characteristics
full-range TA= –40 ° C to 125 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
V
Z
I
Z,min
Reverse breakdown voltage
Reverse breakdown voltage tolerance
IZ= 100 µ A 25 ° C 1.225 1.225 V
IZ= 100 µ A mV
Minimum cathode current
A
25 ° C –6 6 –12 12
Full range –18.4 18.4 –31 31
25 ° C 45 75 45 75
Full range 80 80
IZ= 10 mA 25 ° C ± 20 ± 20
α
VZ
coefficient of reverse IZ= 1 mA ppm/ ° C breakdown voltage
Average temperature
25 ° C ± 15 ± 15
Full range ± 100 ± 150
IZ= 100 µ A 25 ° C ± 15 ± 15
I
< IZ< 1 mA
Reverse breakdown
Z,min
VZ/ IZvoltage change with mV
cathode current change
Z
Z
e
N
Reverse dynamic IZ= 1 mA, f = 120 Hz, impedance IAC= 0.1 I
Wideband noise 25 ° C 20 20 µ V
1 mA < IZ< 12 mA
Z
IZ= 100 µ A, 10 Hz f 10 kHz
25 ° C 0.7 1.5 0.7 2
Full range 2 2.5
25 ° C 2.5 6 2.5 8
Full range 8 10
25 ° C 0.5 0.5
Full range 1.5 2
Long-term stability of t = 1000 h, reverse breakdown TA= 25 ° C ± 0.1 ° C, 25 ° C 120 120 ppm voltage IZ= 100 µ A
LM4041C12Q LM4041D12Q
MIN TYP MAX MIN TYP MAX
LM4041
UNIT
µ A
RMS
7
www.ti.com
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
LM4041xI (Adjustable Version) Electrical Characteristics
full-range TA= –40 ° C to 85 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
V
REF
I
Z,min
V
/ I
REF
Reference voltage IZ= 100 µ A, VZ= 5 V 25 ° C 1.233 1.233 V Reference voltage
tolerance
(1)
IZ= 100 µ A, VZ= 5 V mV
Minimum cathode current
I
< IZ< 1 mA
Reference voltage change with cathode mV
Z
current change
Z,min
1 mA < IZ< 12 mA
A
25 ° C –2.5 2.5 –6.2 6.2
Full range –10.5 10.5 –14 14
25 ° C 45 75 45 75
Full range 80 80
25 ° C 0.7 1.5 0.7 1.5
Full range 2 2
25 ° C 2 4 2 4
Full range 6 6
Reference voltage 25 ° C –1.55 –2 –1.55 –2
V
/ V
REF
I
FB
change with output IZ= 1 mA mV/V
KA
voltage change
Feedback current nA
Full range –2.5 –2.5
25 ° C 60 100 60 100
Full range 120 120
IZ= 10 mA, VZ= 5 V 25 ° C ± 20 ± 20
α V
REF
coefficient of IZ= 1 mA, VZ= 5 V ppm/ ° C reference voltage
(1)
Average temperature
25 ° C ± 15 ± 15
Full range ± 100 ± 100 IZ= 100 µ A, VZ= 5 V 25 ° C ± 15 ± 15 IZ= 1 mA, f = 120 Hz,
Z
Z
Reverse dynamic impedance
IAC= 0.1 IZ, VZ= V IZ= 1 mA, f = 120 Hz,
REF
IAC= 0.1 IZ, VZ= 10 V
e
N
Wideband noise 25 ° C 20 20 µ V
IZ= 100 µ A, VZ= V 10 Hz f 10 kHz
REF
25 ° C 0.3 0.3
25 ° C 2 2
,
Long-term stability of t = 1000 h, reverse breakdown TA= 25 ° C ± 0.1 ° C, 25 ° C 120 120 ppm voltage IZ= 100 µ A
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (VZ). See Typical Characteristics.
LM4041BI LM4041CI
MIN TYP MAX MIN TYP MAX
UNIT
µ A
RMS
8
www.ti.com
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
LM4041xI (Adjustable Version) Electrical Characteristics
full-range TA= –40 ° C to 85 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
V
REF
I
Z,min
V
/ I
REF
Reference voltage IZ= 100 µ A, VZ= 5 V 25 ° C 1.233 V
Reference voltage tolerance
(1)
IZ= 100 µ A, VZ= 5 V mV
Minimum cathode current µ A
I
< IZ< 1 mA
Z,min
Z
Reference voltage change with cathode current change
1 mA < IZ< 12 mA
V
/ V
REF
I
FB
KA
Reference voltage change with output voltage change
IZ= 1 mA mV/V
Feedback current nA
A
25 ° C –12 12
Full range –24 24
25 ° C 45 75
Full range 80
25 ° C 0.7 2
Full range 2.5
25 ° C 2 6
Full range 8
25 ° C –1.55 –2
Full range –3
25 ° C 60 150
Full range 200
IZ= 10 mA, VZ= 5 V 25 ° C ± 20
α V
REF
Average temperature coefficient of reference voltage
(1)
IZ= 1 mA, VZ= 5 V ppm/ ° C
25 ° C ± 15
Full range ± 150 IZ= 100 µ A, VZ= 5 V 25 ° C ± 15 IZ= 1 mA, f = 120 Hz,
Z
Z
Reverse dynamic impedance
IAC= 0.1 IZ, VZ= V IZ= 1 mA, f = 120 Hz,
REF
IAC= 0.1 IZ, VZ= 10 V
e
N
Wideband noise 25 ° C 20 µ V
Long-term stability of reverse breakdown voltage
IZ= 100 µ A, VZ= V 10 Hz f 10 kHz
t = 1000 h, TA= 25 ° C ± 0.1 ° C, 25 ° C 120 ppm IZ= 100 µ A
REF
25 ° C 0.3
25 ° C 2
,
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (VZ). See Typical Characteristics.
LM4041DI
MIN TYP MAX
LM4041
UNIT
mV
RMS
9
www.ti.com
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
LM4041xQ (Adjustable Version) Electrical Characteristics
full-range TA= –40 ° C to 125 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
V
REF
I
Z,min
V
/ I
REF
V
/ V
REF
I
FB
α V
REF
Z
Z
e
N
Reference voltage IZ= 100 µ A, VZ= 5 V 25 ° C 1.233 1.233 V Reference voltage
tolerance
(1)
IZ= 100 µ A, VZ= 5 V mV
Minimum cathode current
I
< IZ< 1 mA
Reference voltage change with cathode mV
Z
current change
Z,min
1 mA < IZ< 12 mA
Reference voltage 25 ° C –1.55 –2 –1.55 –2.5 change with output IZ= 1 mA mV/V
KA
voltage change
Feedback current nA
IZ= 10 mA, VZ= 5 V 25 ° C ± 20 ± 20
Average temperature coefficient of IZ= 1 mA, VZ= 5 V ppm/ ° C reference voltage
(1)
IZ= 100 µ A, VZ= 5 V 25 ° C ± 15 ± 15 IZ= 1 mA, f = 120 Hz,
Reverse dynamic impedance
IAC= 0.1 IZ, VZ= V IZ= 1 mA, f = 120 Hz,
IAC= 0.1 IZ, VZ= 10 V
Wideband noise 25 ° C 20 20 µ V
IZ= 100 µ A, VZ= V 10 Hz f 10 kHz
Long-term stability of t = 1000 h, reverse breakdown TA= 25 ° C ± 0.1 ° C, 25 ° C 120 120 ppm voltage IZ= 100 µ A
A
MIN TYP MAX MIN TYP MAX
25 ° C –6.2 6.2 –12 12
Full range –18 18 –30 30
25 ° C 45 75 45 75
Full range 80 80
25 ° C 0.7 1.5 0.7 2
Full range 2 2.5
25 ° C 2 4 2 6
Full range 8 10
Full range –3 –4
25 ° C 60 100 60 150
Full range 120 200
25 ° C ± 15 ± 15
Full range ± 100 ± 150
LM4041CQ LM4041DQ
REF
25 ° C 0.3 0.3
25 ° C 2 2
,
REF
UNIT
µ A
RMS
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (VZ). See Typical Characteristics.
10
www.ti.com
−0.5
−0.4
−0.3
−0.2
−0.1
0
0.1
0.2
0.3
0.4
0.5
−40 Temperature (C)
Reference Voltage (V)
IZ = 150 A V
REF
= 1.2 V
−9.9 ppm/C
2.7 ppm/C
21 ppm/C
−20 0 20 40 60 80 100
0
200
400
600
800
1000
Frequency (Hz)
Noise Voltage (nV/Hz)
1 10 100 1k 10k
−0.5
0
0.5
1
1.5
2
2.5
3
−2
Time (s)
−20
−15
−10
−5
0
5
10
15
V
IN
(V)
V
Z
V
IN
2 6 10 14 18 22 26
V
Z
(V)
1.2305
1.231
1.2315
1.232
1.2325
1.233
1.2335
1.234
1.2345
1.235
Reverse (Output) Voltage (V)
Reference Voltage (V)
0 2 4 6 8 10
LM4041 (Adj) IZ = 1 mA
125C
85C
−40C 25C
LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
TYPICAL CHARACTERISTICS
Figure 1. Temperature Drift for Different Average Figure 2. Noise Voltage vs Frequency
Temperature Coefficients <br/>
Figure 3. Start-Up Characteristics Figure 4. Reference Voltage vs Reverse (Output) Voltage
<br/> (for Different Temperatures)
11
www.ti.com
1.2305
1.231
1.2315
1.232
1.2325
1.233
1.2335
1.234
1.2345
1.235
Temperature (C)
Reference Voltage (V)
−40 −20 0 20 40 60 80 100
LM4041 (Adj) IZ = 1 mA
V
REF
5 V
10 V
0
10
20
30
40
50
60
70
80
90
100
Reverse (Output) Voltage (V)
Feedback Current (nA)
LM4041 (Adj) IZ = 1 mA
0 2 4 6 8 10
125C
85C
25C
−40C
0.1
1
10
100
1000
Frequency (Hz)
1k100 10k 100k 1M
Impedance ()
LM4041 (Adj) IZ = 1 mA IZ = 0.1 I
Z
Tj = 25C
CL = 1 F
CL = 0 F
Capacitor
Line
1.23 V
2.5 V
5 V
10 V
0.1
1
10
100
1000
LM4041 (Adj) IZ = 150 A IZ = 0.1 I
Z
Tj = 25°C
1k100 10k 100k 1M
Frequency (Hz)
Impedance ()
CL = 1 F
CL = 0 F
Capacitor
Line
1.23 V
2.5 V
5 V
10 V
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
TYPICAL CHARACTERISTICS
Figure 5. Reference Voltage vs Temperature Figure 6. Feedback Current vs Reverse (Output) Voltage
(for Different Reverse Voltages) (for Different Temperatures)
12
Figure 7. Output Impedance vs Frequency Figure 8. Output Impedance vs Frequency
www.ti.com
0
10
20
30
40
50
60
70
80
90
100
Reverse (Output) Voltage (V)
Reverse Current (A)
FB Steps (V)
(see Figure 12)
LM4041 (Adj) IZ = 1 mA
0 1 2 3 4 5 6 7 8 9 10
0 2 4 6 8
0
10
20
30
40
50
60
70
80
90
100
Reverse (Output) Voltage (V)
Reverse Current (A)
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
2
LM4041 (Adj) VZ = 1.23 V (nominal)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Output Current (mA)
Output Saturation (V)
LM4041 (Adj) V
Adj
= V
REF
+ 5 mV
11
−40C
25C
85C
125C
1210 2 3 4 5 6 7 8 9 10
LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
TYPICAL CHARACTERISTICS
Figure 9. Reverse Characteristics Figure 10. Reverse Characteristics and Minumum
Figure 11. Output Saturation vs Output Current
<br/> Operating Current
13
www.ti.com
1-Hz rate
V
Z
LM4041-1.2
RS 30 k
V
IN
I
R
(+)
(−)
V
2 V/step
LM4041 (Adj)
LM4041 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
APPLICATION INFORMATION
Figure 12. Startup Characteristics Test Circuit
Figure 13. Reverse Characteristics Test Circuit
Output Capacitor
The LM4041 does not require an output capacitor across CATHODE and ANODE for stability. However, if an output bypass capacitor is desired, the LM4041 is designed to be stable with all capacitive loads.
SOT-23 and SC-70 Pin Connections
There is a parasitic Schottky diode connected between pins 2 and 3 of the SOT-23 packaged device. Thus, pin 3 of the SOT-23 package must be left floating or connected to pin 2. Similarly, pin 2 of the SC-70 package also must be left floating or connected to pin 1.
14
www.ti.com
APPLICATION INFORMATION
R
S
LM4041 (Adjustable)
V
S
R1
R2
V
Z
= V
REF
1
R2 R1
+
V
REF
R
S
V
S
V
Z
(
I
L
I
Z
)
LM4041
I
Z
+ I
L
I
L
I
Z
V
S
V
Z
R
S
Adjustable Version
The adjustable version allows V according to the equation shown in Figure 14 .
to be set by a user-defined resistor divider. The output voltage, VZ, is set
Z
LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146C – FEBRUARY 2005 – REVISED MAY 2005
Figure 14. Adjustable Shunt Regulator
Cathode and Load Currents
In a typical shunt regulator configuration (see Figure 15 ), an external resistor, RS, is connected between the supply and the cathode of the LM4041. R the load (IL) and bias the LM4041 (IZ). In all cases, IZmust stay within a specified range for proper operation of the reference. Taking into consideration one extreme in the variation of the load and supply voltage (maximum I and minimum VS), R
must be small enough to supply the minimum IZrequired for operation of the regulator, as
S
given by data sheet parameters. At the other extreme, maximum V limit IZto less than its maximum recommended rating of 12 mA.
R
is calculated as shown in Equation 1 .
S
must be set properly, as it sets the total current available to supply
S
and minimum IL, R
S
must be large enough to
S
L
(1)
Figure 15. Shunt Regulator
15
PACKAGE OPTION ADDENDUM
www.ti.com
PACKAGING INFORMATION
Orderable Device Status
LM4041A12IDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041A12IDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041A12IDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041A12IDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041A12IDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
LM4041A12IDCKRE4 ACTIVE SC70 DCK 5 3000 TBD Call TI Call TI
LM4041A12ILP PREVIEW TO-92 LP 3 1000 TBD Call TI Call TI
LM4041B12IDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041B12IDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041B12IDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041B12IDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041B12IDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
LM4041B12IDCKRE4 ACTIVE SC70 DCK 5 3000 TBD Call TI Call TI
LM4041B12ILP PREVIEW TO-92 LP 3 1000 TBD Call TI Call TI
LM4041BIDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041BIDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041BIDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041BIDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041BIDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
LM4041BIDCKRE4 ACTIVE SC70 DCK 5 3000 TBD Call TI Call TI
LM4041BIDCKT ACTIVE SC70 DCK 5 250 Green (RoHS &
LM4041BIDCKTE4 ACTIVE SC70 DCK 5 250 TBD Call TI Call TI
LM4041BILP PREVIEW TO-92 LP 3 1000 TBD Call TI Call TI
LM4041BILPR PREVIEW TO-92 LP 3 2000 TBD Call TI Call TI
LM4041C12IDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041C12IDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
LM4041C12IDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
LM4041C12IDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
(1)
Package
Type
Package Drawing
Pins Package
Qty
Eco Plan
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
no Sb/Br)
(2)
Lead/Ball Finish MSL Peak Temp
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
18-Nov-2005
(3)
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
Orderable Device Status
(1)
Package
Type
Package Drawing
Pins Package
Qty
Eco Plan
LM4041C12IDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
(2)
Lead/Ball Finish MSL Peak Temp
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041C12IDCKRE4 ACTIVE SC70 DCK 5 3000 TBD Call TI Call TI
LM4041C12ILP PREVIEW TO-92 LP 3 1000 TBD Call TI Call TI
LM4041C12QDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041C12QDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041C12QDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041C12QDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDCKRE4 ACTIVE SC70 DCK 5 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDCKT ACTIVE SC70 DCK 5 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CIDCKTE4 ACTIVE SC70 DCK 5 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CILP PREVIEW TO-92 LP 3 1000 TBD Call TI Call TI
LM4041CILPR PREVIEW TO-92 LP 3 2000 TBD Call TI Call TI
LM4041CQDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CQDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CQDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041CQDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12IDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12IDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12IDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12IDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12IDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12IDCKRE4 ACTIVE SC70 DCK 5 3000 TBD Call TI Call TI
LM4041D12QDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
18-Nov-2005
(3)
Addendum-Page 2
PACKAGE OPTION ADDENDUM
www.ti.com
Orderable Device Status
(1)
Package
Type
Package Drawing
Pins Package
Qty
Eco Plan
(2)
LM4041D12QDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
Lead/Ball Finish MSL Peak Temp
CU NIPDAU Level-1-260C-UNLIM
18-Nov-2005
(3)
no Sb/Br)
LM4041D12QDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041D12QDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDCKR ACTIVE SC70 DCK 5 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDCKRE4 ACTIVE SC70 DCK 5 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDCKT ACTIVE SC70 DCK 5 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DIDCKTE4 ACTIVE SC70 DCK 5 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DILP PREVIEW TO-92 LP 3 1000 TBD Call TI Call TI
LM4041DILPR PREVIEW TO-92 LP 3 2000 TBD Call TI Call TI
LM4041DQDBZR ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DQDBZRG4 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DQDBZT ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
LM4041DQDBZTG4 ACTIVE SOT-23 DBZ 3 250 Green (RoHS &
CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
Addendum-Page 3
PACKAGE OPTION ADDENDUM
www.ti.com
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
18-Nov-2005
Addendum-Page 4
MECHANICAL DATA
MSOT002A – OCTOBER 1994 – REVISED NOVEMBER 2001
LP (O-PBCY-W3) PLASTIC CYLINDRICAL P ACKAGE
0.205 (5,21) 0.165 (4,19)
0.175 (4,44)
0.157 (4,00) MAX
DIA
0.210 (5,34)
0.170 (4,32)
0.500 (12,70) MIN
0.125 (3,17)
Seating Plane
0.050 (1,27) C
0.104 (2,65)
FORMED LEAD OPTION
0.135 (3,43) MIN
0.055 (1,40)
0.045 (1,14)
0.105 (2,67)
0.080 (2,03)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice. C. Lead dimensions are not controlled within this area D. FAlls within JEDEC TO -226 Variation AA (TO-226 replaces TO-92)
E. Shipping Method:
Straight lead option available in bulk pack only. Formed lead option available in tape & reel or ammo pack.
STRAIGHT LEAD OPTION
1
D
23
0.022 (0,56)
0.016 (0,41)
0.105 (2,67)
0.095 (2,41)
0.105 (2,67)
0.080 (2,03)
0.016 (0,41)
0.014 (0,35)
4040001-2/C 10/01
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1
MECHANICAL DATA
MSOT002A – OCTOBER 1994 – REVISED NOVEMBER 2001
LP (O-PBCY-W3) PLASTIC CYLINDRICAL P ACKAGE
0.539 (13,70)
0.460 (11,70)
1.260 (32,00)
0.905 (23,00)
0.650 (16,50)
0.610 (15,50)
0.433 (11,00)
0.335 (8,50)
0.098 (2,50)
TAPE & REEL
0.020 (0,50) MIN
0.384 (9,75)
0.335 (8,50)
0.748 (19,00)
0.217 (5,50)
0.114 (2,90)
0.094 (2,40)
0.114 (2,90)
0.094 (2,40) 0.146 (3,70)
0.266 (6,75)
0.234 (5,95)
0.512 (13,00)
0.488 (12,40)
0.169 (4,30)
0.748 (19,00)
0.689 (17,50)
DIA
4040001-3/C 10/01
NOTES: A. All linear dimensions are in inches (millimeters).
2
B. This drawing is subject to change without notice. C. Tape and Reel information for the Format Lead Option package.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty . Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards.
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.
Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.
Following are URLs where you can obtain information on other Texas Instruments products and application solutions:
Products Applications
Amplifiers amplifier.ti.com Audio www.ti.com/audio Data Converters dataconverter.ti.com Automotive www.ti.com/automotive
DSP dsp.ti.com Broadband www.ti.com/broadband Interface interface.ti.com Digital Control www.ti.com/digitalcontrol Logic logic.ti.com Military www.ti.com/military Power Mgmt power.ti.com Optical Networking www.ti.com/opticalnetwork Microcontrollers microcontroller.ti.com Security www.ti.com/security
Telephony www.ti.com/telephony Video & Imaging www.ti.com/video Wireless www.ti.com/wireless
Mailing Address: Texas Instruments
Post Office Box 655303 Dallas, Texas 75265
Copyright 2005, Texas Instruments Incorporated
Loading...