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TL1451A Datasheet(PDF) 6 Page - Texas Instruments

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Part No. TL1451A
Description  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TL1451A Datasheet(HTML) 6 Page - Texas Instruments

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TL1451A
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
f = 200 kHz (unless otherwise noted)
reference section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Output voltage (pin 16)
IO =1mA
TA = 25°C
2.40
2.50
2.60
V
Output voltage (pin 16)
IO = 1 mA
TA = MIN and 125°C
2.35
2.46
2.65
V
Output voltage change with temperature
– 0.63%
*
±4%
TA = 25°C
2.0
12.5
Input voltage regulation
VCC = 3.6 V to 40 V
TA = 125°C
0.7
15
mV
TA = MIN
0.3
30
TA = 25°C
1.0
7.5
Output voltage regulation
IO = 0.1 mA to 1 mA
TA = 125°C
0.3
14
mV
TA = MIN
0.3
20
Short-circuit output current
VO = 0
3
10
30
mA
*These parameters are not production tested.
† All typical values are at TA = 25°C unless otherwise indicated.
undervoltage lockout section
PARAMETER
TEST CONDITIONS
TL1451AQ, TL1451AM
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
TA = 25°C
2.72
Upper threshold voltage (VCC)
TA = 125°C
1.70
V
TA = MIN
3.15
TA = 25°C
2.60
Lower threshold voltage (VCC)
TA = 125°C
1.65
V
TA = MIN
3.09
TA = 25°C
80
120
Hysteresis (VCC)
TA = 125°C
10
50
mV
TA = MIN
10
60
TA = 25°C
1.50
Reset threshold voltage (VCC)
TA = 125°C
0.95
V
TA = MIN
1.50
† All typical values are at TA = 25°C unless otherwise indicated.


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