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RT9169-12GV
Schematic [ru]
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Richtek RT9169-12GB, RT9169-12GV, RT9169-12PB, RT9169-12PV, RT9169-12PVL Schematic [ru]

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RT9169/H
100mA, 4
μμ
μA Quiescent Current CMOS LDO Regulator
μμ
General Description
The RT9169/H series are 100mA ultra-low quiescent
current CMOS low dropout (LDO) regulator designed for battery-powered equipments. The output voltages ra nge from 1.2V to 5V with 0.1V per step.
The other features include 4μA ultra-low quiescent, low dropout voltage, high output accuracy, current limiting protection, and high ri pple reje ction ratio.
Ordering Information
RT9169/H
Note :
1. RT9169H package type is available in SOT-23-5 only.
2. Richtek products are :
` RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
-
Package Type ZL : TO-92 (L-Type) ZT : TO-92 (T-Type) X : SOT-89 V : SOT-23-3 VL : SOT-23-3 (L-Type) B : SOT-23-5
Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free)
Output Voltage 12 : 1.2V 13 : 1.3V : 49 : 4.9V 50 : 5.0V
Chip Enable High (SOT-23-5 Only) Chip Enable Low
Features
zz
Ultra-Low Quiescent Current: 4
z
zz
zz
z Low Dropout: 450mV at 100mA
zz
zz
z Wide Operating Voltage Ranges: 2V to 6V
zz
zz
z Current Limiting Protection
zz
zz
z Only 1
zz
zz
z High Power Supply Rejection Ratio
zz
zz
z RoHS Compliant and 100% Lead (Pb)-Free
zz
μμ
μF Output Capacitor Required for Stability
μμ
μμ
μA
μμ
Applications
z Battery-Powered Equipment z Palmtops, Notebook Computers z Hand-held Instruments z PCMCIA Cards
Pin Configurations
(TOP VIEW)
GND
VOUT
5
VIN
SOT-23-5
VIN
3
VOUT
NC
23
GND
EN/EN
VIN
3
2
VOUT
GND
SOT-23-3
123
VIN
GND
VOUT
(TAB)
SOT-89
SOT-23-3 (L-T ype)
2
4
Marking Information
3 2 1
VOUT GND VIN
directly or through a Richtek distributor located in your
3 2 1
TO-92 (L-T ype)
GND VIN VOUT
TO-92 (T-T ype)
area.
DS9169/H-14 April 2011 www.richtek.com
1
RT9169/H
Typical Application Circuit
VIN
RT9169
VOUT
GND
C
1uF
+
IN
V
IN
Function Block Diagram
+
-
EN/EN
Current
Limit
+
C
1uF
OUT
V
OUT
VIN
VOUT
V
IN
C 1uF
RT9169
Chip Enable
+
IN
RT9169H
Chip Enable
VIN
RT9169/H
EN/EN
VOUT
GND
Functional Pin Description
Pin Name Pin Function
VIN Power Input VOUT Output Voltage GND Ground EN/EN
Chip Enable Control Input
+
C
1uF
OUT
V
OUT
Absolute Maximum Ratings (Note 1)
z Input V oltage ---------------------------------------------------------------------------------------------------------- 7V z Power Dissipation, P
@ TA = 25°C
D
SOT-23-3--------------------------------------------------------------------------------------------------------------- 0.4W SOT-23-5--------------------------------------------------------------------------------------------------------------- 0.4W SOT-89 ----------------------------------------------------------------------------------------------------------------- 0.571W TO-92 ------------------------------------------------------------------------------------------------------------------- 0.625W
z Junction T emperature ----------------------------------------------------------------------------------------------- 150°C z Lead T emperature (Soldering, 10 sec.) ------------------------------------------------------------------------- 260°C z Storage T emperature Range--------------------------------------------------------------------------------------- −65°C to 150°C z Package Thermal Resistance (Note 2)
SOT-23-3, θJA--------------------------------------------------------------------------------------------------------- 250°C/W SOT-23-5, θJA--------------------------------------------------------------------------------------------------------- 250°C/W SOT -89, θJA----------------------------------------------------------------------------------------------------------- 175°C/W TO-92, θJA------------------------------------------------------------------------------------------------------------- 160°C/W
z ESD Susceptibility (Note 3)
HBM (Human Body Mode)----------------------------------------------------------------------------------------- 2kV MM (Machine Mode) ------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions (Note 4)
z Junction T emperature Range -------------------------------------------------------------------------------------- −40°C to 125°C z Ambient T emperature Range -------------------------------------------------------------------------------------- −40°C to 85°C
DS9169/H-14 April 2011www.richtek.com
2
RT9169/H
Electrical Characteristics
(V
= 5.5V, CIN = 1μF, C
IN
Parameter Symbol Test Conditions Min Typ Max Unit
Input Voltage Range VIN 2 -- 6 V
= 1μF, TA = 25°C, unless otherwise specified)
OUT
Output Voltage Accuracy ΔV Maximum Output Current I Current Limit I
IL = 1mA -2 -- +2 %
OUT
VIN = V
MAX
IL = 100mA 150 250 -- mA
LIM
+ 0.6V, VIN ≥ 3.6V 100 -- -- mA
OUT
No Load -- 4 7 μA
GND Pin Current IG
= 100mA 4 10 μA
I
OUT
I
= 1mA, VIN ≥ 3.6V -- 4 10
OUT
I
DROP
Line Regulation ΔV
Load Regulation ΔV
Output Noise eNO
LINE
LOAD ILOUT
= 50mA, V
OUT
= 100mA, VIN ≥ 3.6V -- 450 600
I
OUT
V
= (V
IN
OUT
V
≥ 3.6V, I
IN
= 0mA to 100mA -- 0.01 0.04 %/mA
BW = 100Hz to 50kHz
= 10μF
C
OUT
Ripple Rejection PSRR F = 1kHz, C Standby Current
EN/EN Threshold
RT9169/H (SOT-23-5) EN = V
or EN = 0 -- 0.1 1 μA
IN
Logic High VIL 0.6 -- -­Logic Low V
-- -- 2
IH
≥ 3.6V -- 200 300 Dropout Voltage V
IN
+ 0.3V) to 6V,
= 1mA
OUT
-0.2 -- +0.2 %/V
-- 250 -- μV
= 1μF -- 30 -- dB
OUT
mV
V
Thermal Shutdown Protection 125 -- -- °C
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability.
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is highly recommended. Note 4. The device is not guaranteed to function outside its operating conditions.
is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of
JA
JEDEC 51-3 thermal measurement standard.
Application Information
A 1 μF (or larger) capacitor is recommended between V capa citor . Any type of ca pa citor can be used, but not Aluminum electrolytes when operating below –25°C. The ca pa citance may be increa sed without li mit.
A 1μF ca pacitor (or larger) should be placed between VIN to GND.
DS9169/H-14 April 2011 www.richtek.com
and GND for stability. The part may oscillate without the
OUT
3
RT9169/H
)
)
Typical Operating Characteristics
Temperature Stability
3.7
V
OUT
3.3
2.9
2.5
Output Volta ge (V)
2.1
V
OUT
1.7
-50 -25 0 25 50 75 100 125
Temperature
Dropout Voltage (VIN-V
0.8
0.7
0.6
0.5
0.4
0.3
(°C)
OUT
125°C
= 3.3V
= 1.8V
)
25°C
Quiescient Current vs. Temperature
5
4
μ
3
2
1
Quiescen t C urrent ( A
0
-30 0 30 60 90 120
Temperature
(°C)
VIN = 5V
Short Circuit Current
500
400
300
200
25°C
125°C
0.2
Drop out Volt ag e (V)
0.1 0
020406080100
I
(mA)
LOAD
V
OUT
= 3.3V
PSRR
0
-10
-20
-30
-40
10mA
PSRR (dB)
-50
-60
-70
10 100 1k 10k 100k 1M
Frequency (Hz)
VIN = 5V, V CIN = 1uF , TA = 125°C C
= 1uF Electrolytic
OUT
Capacitor
OUT
50mA
= 1.8V
100
Short Cir cuit Cur rent (mA
0
012345
Input/Output Differential (V)
PSRR
0
-10
OUT
50mA
= 3.3V
-20
-30
-40
10mA
PSRR (dB)
-50
-60
-70
10 100 1k 10k 100k 1M
VIN = 5V, V CIN = 1uF , TA = 125°C C
= 1uF Electrolytic
OUT
Capacitor
Frequency (Hz)
DS9169/H-14 April 2011www.richtek.com
4
RT9169/H
300
V I
OUT
200 100
Output Voltage
Deviation (mV)
0
≈ ≈
6 5 4
Deviation (V)
Input Voltage
3
V V
20
TA = 25°C
0
−20
Output Voltage
Deviation (mV)
≈
100
Line Transient Response
OUT
= 1.8V
= 50mA
Time (1ms/Div)
TA = 25°C C
Load Transient Response
= 5V
IN
= 1.8V
OUT
= 1uF Electrolytic
OUT
C
= 1uF Ceramic
IN
C
= 1uF Ceramic
OUT
200
V I
100
0
Output Voltage
Deviation (mV)
≈ ≈
6 5 4
Deviation (V)
Input Voltage
3
50
0
−50
Output Voltage
Deviation (mV)
≈
200
Line Transient Response
= 3.3V
OUT
= 50mA
OUT
Time (1ms/Div)
Load Transient Response
V
= 5V
IN
V
= 1.8V
OUT
TA = 25°C
TA = 25°C C
= 1uF Electrolytic
OUT
C
= 1uF Ceramic
IN
C
= 1uF Ceramic
OUT
50
Load
1
Current (mA)
−50
100
V V
50
TA = 25°C
0
−50
Output Voltage
Deviation (mV)
100
50
Load
1
Current (mA)
−50
Time (500us/Div)
Load Transient Response
= 5V
IN
= 3.3V
OUT
Time (500us/Div)
C
= 1uF Ceramic
IN
C
= 1uF Ceramic
OUT
100
Load
10
Current (mA)
−100
Time (500us/Div)
100
50
0
−50
Output Voltage
Deviation (mV)
≈
Load
≈ ≈
200 100
10
Current (mA)
−100
Load Transient Response
V
= 5V
IN
V
= 3.3V
OUT
TA = 25°C
C
= 1uF Ceramic
IN
C
= 1uF Ceramic
OUT
Time (500us/Div)
DS9169/H-14 April 2011 www.richtek.com
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RT9169/H
Outline Dimension
D
C
e
A
b
Dimensions In Millimeters Dimensions In Inches
Symbol
Min Max Min Max
A 0.889 1.295 0.035 0.051
A1 0.000 0.152 0.000 0.006
B
A1
H
L
B 1.397 1.803 0.055 0.071
b 0.356 0.508 0.014 0.020 C 2.591 2.997 0.102 0.118 D 2.692 3.099 0.106 0.122
e 1.803 2.007 0.071 0.079 H 0.080 0.254 0.003 0.010
L 0.300 0.610 0.012 0.024
SOT-23-3 Surface Mount Package
DS9169/H-14 April 2011www.richtek.com
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RT9169/H
H
D
L
C
b
A
e
Dimensions In Millimeters Dimensions In Inches
Symbol
Min Max Min Max
A 0.889 1.295 0.035 0.051
A1 0.000 0.152 0.000 0.006
B 1.397 1.803 0.055 0.071
b 0.356 0.559 0.014 0.022 C 2.591 2.997 0.102 0.118 D 2.692 3.099 0.106 0.122
B
A1
e 0.838 1.041 0.033 0.041 H 0.080 0.254 0.003 0.010
L 0.300 0.610 0.012 0.024
SOT-23-5 Surface Mount Package
DS9169/H-14 April 2011 www.richtek.com
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RT9169/H
D
D1
A
C
b1
e
b
e
A
b
Dimensions In Millimeters Dimensions In Inches
Symbol
Min Max Min Max
A 1.397 1.600 0.055 0.063 b 0.356 0.483 0.014 0.019 B 2.388 2.591 0.094 0.102
b1 0.406 0.533 0.016 0.021
C 3.937 4.242 0.155 0.167
B
C1
H
C1 0.787 1.194 0.031 0.047
D 4.394 4.597 0.173 0.181
D1 1.397 1.753 0.055 0.069
e 1.448 1.549 0.057 0.061
H 0.356 0.432 0.014 0.017
3-Lead SOT-89 Surface Mount Package
DS9169/H-14 April 2011www.richtek.com
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RT9169/H
D
E
L
b
e
D1
A1
A
C
Symbol
Dimensions In Millimeters Dimensions In Inches
A 3.175 4.191
A1 1.143 1.372 0.045 0.054
b 0.406 0.533 C 0.406 0.533 D 4.445 5.207 0.175 0.205
D1 3.429 5.029
E 4.318 5.334
e 1.143 1.397
L
Richtek Technology Corporation
Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611
Min Max Min Max
0.125 0.165
0.016 0.021
0.016 0.021
0.135 0.198
0.170 0.210
0.045 0.055
12.700
0.500
3-Lead TO-92 Plastic Package
Richtek Technology Corporation
Taipei Office (Marketing) 5F, No. 95, Minchiuan Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)86672399 Fax: (8862)86672377 Email: marketing@richtek.com
Information that is provided by Richtek Technology Corporation is believed to be accurate and reliable. Richtek reserves the right to make any change in circuit design, specification or other related things if necessary without notice at any time. No third party intellectual property infringement of the applications should be guaranteed by users when integrating Richtek products into any application. No legal responsibility for any said applications is assumed by Richtek.
DS9169/H-14 April 2011 www.richtek.com
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