TEXAS INSTRUMENTS TL750M, TL751M Technical data

0°C to 125°C
查询TL750M供应商
D
Very Low Dropout Voltage, Less Than 0.6 V at 750 mA
D
D
TTL- and CMOS-Compatible Enable on TL751M Series
description
The TL750M and TL751M series are low-dropout positive voltage regulators specifically designed for battery-powered systems. The TL750M and TL751M series incorporate onboard overvoltage and current-limiting protection circuitry to protect the devices and the regulated system. Both series are fully protected against 60-V load-dump and reverse-battery conditions. Extremely low quiescent current, even during full-load conditions, makes the TL750M and TL751M series ideal for standby power systems.
The TL750M and TL751M series offers 5-V, 8-V, 10-V , and 12-V options. The TL751M series has the addition of an enable (ENABLE) input. The ENABLE input gives the designer complete control over power up, allowing sequential power up or emergency shutdown. When ENABLE high-impedance state. The ENABLE input is TTL- and CMOS-compatible.
The TL750MxxC and TL751MxxC are characterized for operation over the virtual junction temperature range 0°C to 125°C.
TL750M, TL751M SERIES
LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
D
60-V Load-Dump Protection
D
Overvoltage Protection
D
Internal Thermal Overload Protection
D
Internal Overcurrent-Limiting Circuitry
is high, the regulator output is placed in the
AVAILABLE OPTIONS
PACKAGED DEVICES
V
O
T
J
°
The KTE and KTG packages are available taped and reeled. The KTP is only available taped and reeled. Add the suffix R to device type (e.g., TL750M05CKTER). Chip forms are tested at 25°C.
TYP
(V)
5 TL750M05CKC TL750M05CKTE TL751M05CKTG TL750M05CKTPR TL750M05Y
°
8 TL750M08CKC TL750M08CKTE TL751M08CKTG TL750M08CKTPR TL750M08Y 10 TL750M10CKC TL750M10CKTE TL751M10CKTG TL750M10CKTPR TL750M10Y 12 TL750M12CKC TL750M12CKTE TL751M12CKTG TL750M12CKTPR TL750M12Y
HEAT-SINK
MOUNTED
(3-PIN)
(KC)
PLASTIC
FLANGE MOUNT
(KTE)
PLASTIC
FLANGE MOUNT
(KTG)
PLASTIC
FLANGE MOUNT
(KTP)
CHIP
FORM
(Y)
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.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2000, Texas Instruments Incorporated
1
TL750M, TL751M SERIES LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
TL750M ...KC PACKAGE
(TOP VIEW)
TO-220AB
OUTPUT COMMON INPUT
O
C
I
TL750M . . . KTE PACKAGE
(TOP VIEW)
OUTPUT COMMON INPUT
O
C
I
TL750M . . . KTP PACKAGE
(TOP VIEW)
OUTPUT
COMMON
COMMON INPUT
O
C
I
The common terminal is in electrical contact with the mounting base.
NC – No internal connection
TL751Mxx functional block diagram
INPUT
ENABLE
28 V
Enable
Bandgap
_ +
Overvoltage/ Thermal Shutdown
Current
Limiting
TL751M . . . KTG PACKAGE
(TOP VIEW)
NC OUTPUT COMMON INPUT ENABLE
N
O
C
OUTPUT
I
E
DEVICE
COMPONENT
COUNT
Transistors 46 Diodes 14 Resistors 44 Capacitors 4 JFETs 1 Tunnels
(emitter R)
2
COMMON
2
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TL750M, TL751M SERIES
Input voltage range, V
V
PARAMETER
UNIT
LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
absolute maximum ratings over virtual junction temperature range (unless otherwise noted)
Continuous input voltage 26 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient input voltage (see Figure 3) 60 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous reverse input voltage –15 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient reverse input voltage: t = 100 ms –50 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θ
(see Notes 1 and 2): KC package 22°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . .
JA
KTE package 23°C/W. . . . . . . . . . . . . . . . . . . . . . . . .
KTG package 23°C/W. . . . . . . . . . . . . . . . . . . . . . . . .
KTP package 28°C/W. . . . . . . . . . . . . . . . . . . . . . . . .
Virtual junction temperature range, T
0°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings 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.
NOTES: 1. Maximum power dissipation is a function of TJ(max),
ambient temperature is PD = (TJ(max) – TA)/ variation in individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be activated at power levels slightly above or below the rated dissipation.
2. The package thermal impedance is calculated in accordance with JESD 51.
–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
θ
, and TA. The maximum allowable power dissipation at any allowable
θ
JA
JA
. Operating at the absolute maximum TJ of 150°C can impact reliability. Due to
recommended operating conditions
MIN MAX UNIT
TL75xM05 6 26
p
High-level ENABLE input voltage, V Low-level ENABLE input voltage, V Output current range, I Operating virtual junction temperature range, T
I
IH
IL
O
J
TL75xM08 9 26 TL75xM10 11 26 TL75xM12 13 26 TL751Mxx 2 15 V TL751Mxx 0 0.8 V TL75xMxxC 750 mA TL75xMxxC 0 125 °C
electrical characteristics, V
Response time, ENABLE to output
= 14 V, I
I
= 300 mA, TJ = 25°C
O
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
TL751MXXX
MIN TYP MAX
50 µs
3
TL750M, TL751M SERIES
Output voltage
V
Input voltage regulation
mV
Dropout voltage
V
Bias current
mA
Output voltage
V
Input voltage regulation
mV
Dropout voltage
V
Bias current
mA
LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
electrical characteristics, V
= 14 V, IO = 300 mA, ENABLE at 0 V for TL751M05, TJ = 25°C (unless
I
otherwise noted) (see Note 3)
TL750M05C
PARAMETER TEST CONDITIONS
p
p
Ripple rejection VI = 8 V to 18 V, f = 120 Hz 50 55 dB Output voltage regulation IO = 5 mA to 750 mA 20 50 mV
p
Output noise voltage f = 10 Hz to 100 kHz 500 µV
Bias current (TL751M05C and TL751M05Q only) ENABLE VIH 2 V 200 µA
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
TJ = 0°C to 125°C 4.9 5.1 VI = 9 V to 16 V, IO = 250 mA 10 25 VI = 6 V to 26 V, IO = 250 mA 12 50
IO = 500 mA 0.5 IO = 750 mA 0.6
IO = 750 mA 60 75 IO = 10 mA 5
TL751M05C
MIN TYP MAX
4.95 5 5.05
UNIT
electrical characteristics, VI = 14 V, IO = 300 mA, ENABLE at 0 V for TL751M08, TJ = 25°C (unless otherwise noted) (see Note 3)
TL750M08C
PARAMETER TEST CONDITIONS
p
p
Ripple rejection VI = 11 V to 21 V, f = 120 Hz 50 55 dB Output voltage regulation IO = 5 mA to 750 mA 24 80 mV
p
Output noise voltage f = 10 Hz to 100 kHz 500 µV
Bias current (TL751Mxx only)
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
TJ = 0°C to 125°C 7.84 8.16 VI = 10 V to 17 V, IO = 250 mA 12 40 VI = 9 V to 26 V, IO = 250 mA 15 68
IO = 500 mA 0.5 IO = 750 mA 0.6
IO = 750 mA 60 75 IO = 10 mA 5
ENABLE VIH 2 V
TL751M08C
MIN TYP MAX
7.92 8 8.08
200 µA
UNIT
4
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TL750M, TL751M SERIES
Output voltage
V
Input voltage regulation
mV
Dropout voltage
V
Bias current
mA
Output voltage
V
Input voltage regulation
mV
Dropout voltage
V
Bias current
mA
LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
electrical characteristics, VI = 14 V, IO = 300 mA, ENABLE at 0 V for TL751M10, TJ = 25°C (unless otherwise noted) (see Note 3)
TL750M10C
PARAMETER TEST CONDITIONS
p
p
Ripple rejection VI = 13 V to 23 V, f = 120 Hz 50 55 dB Output voltage regulation IO = 5 mA to 750 mA 30 100 mV
p
Output noise voltage f = 10 Hz to 100 kHz 1000 µV
Bias current (TL751Mxx only)
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
TJ = 0°C to 125°C 9.8 10.2 VI = 12 V to 18 V, IO = 250 mA 15 43 VI = 11 V to 26 V, IO = 250 mA 20 75
IO = 500 mA 0.5 IO = 750 mA 0.6
IO = 750 mA 60 75 IO = 10 mA 5
ENABLE VIH 2 V
TL751M10C
MIN TYP MAX
9.9 10 10.1
200 µA
UNIT
electrical characteristics, VI = 14 V, IO = 300 mA, ENABLE at 0 V for TL751M12, TJ = 25°C (unless otherwise noted) (see Note 3)
TL750M12C
PARAMETER TEST CONDITIONS
p
p
Ripple rejection VI = 13 V to 23 V, f = 120 Hz 50 55 dB Output voltage regulation IO = 5 mA to 750 mA 30 120 mV
p
Output noise voltage f = 10 Hz to 100 kHz 1000 µV
Bias current (TL751Mxx only)
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
TJ = 0°C to 125°C 11.76 12.24 VI = 14 V to 19 V, IO = 250 mA 15 43 VI = 13 V to 26 V, IO = 250 mA 20 78
IO = 500 mA 0.5 IO = 750 mA 0.6
IO = 750 mA 60 75 IO = 10 mA 5
ENABLE VIH 2 V
TL751M12C
MIN TYP MAX
11.88 12 12.12
200 µA
UNIT
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5
TL750M, TL751M SERIES
PARAMETER
TEST CONDITIONS
UNIT
Input voltage regulation
mV
PARAMETER
TEST CONDITIONS
UNIT
Input voltage regulation
mV
PARAMETER
TEST CONDITIONS
UNIT
Input voltage regulation
mV
LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
electrical characteristics, V
= 14 V , IO = 300 mA, ENABLE at 0 V , TJ = 25°C (unless otherwise noted)
I
(see Note 3)
TL750M05Y
MIN TYP MAX
Output voltage 5 V
p
Ripple rejection VI = 8 V to 18 V, f = 120 Hz 55 dB Output voltage regulation IO = 5 mA to 750 mA 20 mV Output noise voltage f = 10 Hz to 100 kHz 500 µV Bias current IO = 750 mA 60 mA
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
VI = 9 V to 16 V, IO = 250 mA 10 VI = 6 V to 26 V, IO = 250 mA 12
electrical characteristics, VI = 14 V , IO = 300 mA, ENABLE at 0 V , TJ = 25°C (unless otherwise noted) (see Note 3)
TL750M08Y
MIN TYP MAX
Output voltage 8 V
p
Ripple rejection VI = 11 V to 21 V, f = 120 Hz 55 dB Output voltage regulation IO = 5 mA to 750 mA 24 mV Output noise voltage f = 10 Hz to 100 kHz 500 µV Bias current IO = 750 mA 60 mA
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
VI = 10 V to 17 V, IO = 250 mA 12 VI = 9 V to 26 V, IO = 250 mA 15
electrical characteristics, VI = 14 V , IO = 300 mA, ENABLE at 0 V , TJ = 25°C (unless otherwise noted) (see Note 3)
TL750M10Y
MIN TYP MAX
Output voltage 10 V
p
Ripple rejection VI = 13 V to 23 V, f = 120 Hz 55 dB Output voltage regulation IO = 5 mA to 750 mA 30 mV Output noise voltage f = 10 Hz to 100 kHz 1000 µV Bias current IO = 750 mA 60 mA
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
VI = 12 V to 18 V, IO = 250 mA 15 VI = 11 V to 26 V, IO = 250 mA 20
6
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TL750M, TL751M SERIES
PARAMETER
TEST CONDITIONS
UNIT
Input voltage regulation
mV
LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
TL751M12Y electrical characteristics, VI = 14 V, IO = 300 mA, ENABLE at 0 V, TJ = 25°C (unless otherwise noted) (see Note 3)
TL750M12Y
MIN TYP MAX
Output voltage 12 V
p
Ripple rejection VI = 13 V to 23 V, f = 120 Hz 55 dB Output voltage regulation IO = 5 mA to 750 mA 30 mV Output noise voltage f = 10 Hz to 100 kHz 1000 µV Bias current IO = 750 mA 60 mA
NOTE 3: Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately . All characteristics are measured with a 0.1-µF capacitor across the input and a 10-µF tantalum capacitor on the output, with equivalent series resistance within the guidelines shown in Figure 3.
PARAMETER MEASUREMENT INFORMATION
VI = 14 V to 19 V, IO = 250 mA 15 VI = 13 V to 26 V, IO = 250 mA 20
The TL751Mxx is a low-dropout regulator. This means that the capacitance loading is important to the performance of the regulator because it is a vital part of the control loop. The capacitor value and the equivalent series resistance (ESR) both affect the control loop and must be defined for the load range and the temperature range. Figures 1 and 2 can establish the capacitance value and ESR range for the best regulator performance.
Figure 1 shows the recommended range of ESR for a given load with a 10-µF capacitor on the output. This figure also shows a maximum ESR limit of 2 and a load-dependent minimum ESR limit.
For applications with varying loads, the lightest load condition should be chosen because it is the worst case. Figure 2 shows the relationship of the reciprocal of ESR to the square root of the capacitance with a minimum capacitance limit of 10 µF and a maximum ESR limit of 2 Ω. This figure establishes the amount that the minimum ESR limit shown in Figure 1 can be adjusted for different capacitor values. For example, where the minimum load needed is 200 mA, Figure 2 suggests an ESR range of 0.8 to 2 for 10 µF. Figure 2 shows that changing the capacitor from 10 µF to 400 µF can change the ESR minimum by greater than 3/0.5 (or 6). Therefore, the new minimum ESR value is 0.8/6 (or 0.13 Ω ). This allows an ESR range of 0.13 Ω to 2 Ω , achieving an expanded ESR range by using a larger capacitor at the output. For better stability in low-current applications, a small resistance placed in series with the capacitor (see Table 1) is recommended, so that ESRs better approximate those shown in Figures 1 and 2.
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7
TL750M, TL751M SERIES LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
PARAMETER MEASUREMENT INFORMATION
Table 1. Compensation for Increased Stability at Low Currents
V
ESR
TYP
I
L
L
PART NUMBER
VL = ∆IL × ESR
MANUFACTURER CAPACITANCE
AVX 15 µF 0.9 Ω TAJB156M010S 1 Ω
KEMET 33 µF 0.6 T491D336M010AS 0.5
Applied Load
Current
Load
Voltage
ADDITIONAL
RESISTANCE
OUTPUT CAPACITOR
EQUIVALENT SERIES RESISTANCE (ESR)
vs
LOAD CURRENT RANGE
3
CL = 10 µF
2.8 CI = 0.1 µF
2.6 f = 120 Hz
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
Equivalent Series Resistance (ESR) –
0.4
0.2
Potential Instability Region
0
0.10 0.2 0.3 0.4 0.5 IL – Load Current Range – A
This Region Not Recommended for Operation
Max ESR Boundary
Region of Best Stability
Min ESR Boundary
0.035
L
C
0.025
Stability –
0.015
EQUIVALENT SERIES RESISTANCE (ESR)
0.04
0.03
0.02
0.01
0.005
0
0123454.53.52.51.50.5
Region of Best Stability
100 µF
22 µF
10 µF
STABILITY
vs
Not Recommended Recommended Min ESR Potential Instability
1000 µF
400 µF
200 µF
1/ESR
Figure 1 Figure 2
8
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LOW-DROPOUT VOLTAGE REGULATORS
Input current vs Input voltage
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
Transient input voltage vs T ime 3 Output voltage vs Input voltage 4
p
Dropout voltage vs Output current 7 Quiescent current vs Output current 8 Load transient response 9 Line transient response 10
p
IO = 10 mA 5 IO = 100 mA 6
TL750M, TL751M SERIES
60
50
40
30
20
I
V – Transient Input Voltage – V
10
0
0 100 200
TRANSIENT INPUT VOLTAGE
vs
TIME
TJ = 25°C VI = 14 V + 46e for t 5 ms
tr = 1 ms
300 400 500
t – Time – ms
(–t/0.230)
Figure 3
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
14
IO = 10 mA
600
TJ = 25°C
12
10
8
6
– Output Voltage – V
O
4
V
2
0
024 6 810
VI – Input Voltage – V
TL75xM12
TL75xM10
TL75xM08
TL75xM05
12 14
Figure 4
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9
TL750M, TL751M SERIES LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
TYPICAL CHARACTERISTICS
INPUT CURRENT
vs
INPUT VOLTAGE
200
IO = 10 mA
180
TJ = 25°C
160
140 120 100
80
– Input Current – mAI
I
60 40
20
0
024 6 810
TL75_M05
VI – Input Voltage – V
Figure 5
TL75_M08
TL75_M10
TL75_M12
12 14
INPUT CURRENT
vs
INPUT VOLTAGE
350
IO = 100 mA TJ = 25°C
300
250
200
150
– Input Current – mAI
I
100
50
0
024 6 810
VI – Input Voltage – V
TL75_M05
Figure 6
TL75_M08
TL75_M10
12 14
TL75_M12
DROPOUT VOLTAGE
vs
OUTPUT CURRENT
250
TJ = 25°C
225
200
175
150
125
Dropout Voltage – mV
100
75
50
0 50 100 150 200 250
IO – Output Current – mA
Figure 7
300
QUIESCENT CURRENT
vs
OUTPUT CURRENT
12
TJ = 25°C VI = 14 V
10
8
6
4
– Quiescent Current – mA
Q
I
2
0
0 20 40 60 80 100 150
IO – Output Current – mA
Figure 8
250 350
10
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LOW-DROPOUT VOLTAGE REGULATORS
SLVS021H – JANUARY 1988 – REVISED JANUAR Y 2000
TYPICAL CHARACTERISTICS
TL750M, TL751M SERIES
LOAD TRANSIENT RESPONSE
200
100
0
– 100
50
V
I(NOM)
ESR = 2 CL = 10 µF TJ = 25°C
0
0 50 100 150 200 250
– Output Voltage – mVV
O
– 200
150
100
– Output Current – mA
O
I
= VO + 1 V
t – Time – µs
Figure 9
300 350
LINE TRANSIENT RESPONSE
V ESR = 2 IL = 20 mA CL = 10 µF TJ = 25°C
20 mV/DIV1 V/DIV
– Output Voltage – mVV
O
– Input Voltage – VV
IN
0 20 40 60 80 100 150
t – Time – µs
Figure 10
I(NOM)
= VO + 1 V
250 350
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11
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TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty . Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements.
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Copyright 2000, Texas Instruments Incorporated
Copyright © Each Manufacturing Company.
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