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TPS51427RHBR Fiches technique(PDF) 8 Page - Texas Instruments

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No de pièce TPS51427RHBR
Description  DUAL D-CAP??SYNCHRONOUS STEP-DOWN CONTROLLER FOR NOTEBOOK POWER RAILS
Download  41 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS51427RHBR Fiches technique(HTML) 8 Page - Texas Instruments

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TPS51427
SLUS819B – APRIL 2008 – REVISED SEPTEMBER 2008................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Over recommended free-air temperature range, VV5DRV = 5 V, VVIN = 12 V (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUTS AND OUTPUTS
High level
2.9
TONSEL Input Logic Levels
Float level
1.85
2.25
V
Low level
0.45
High threshold (PWM Only)
2.9
SKIPSEL Input Logic Levels
Float level (OOA)
1.85
2.25
V
Low level (Auto Skip)
0.45
SKIPSEL, TONSEL Input Current
SKIPSEL = TONSEL = 0 V
2.5
4.0
5.5
µA
SMPS On level
2.9
EN1, EN2 Input Logic Levels
Delay start level
1.85
2.25
V
SMPS Off level
0.45
EN1, EN2 Leakage Current
EN1 = EN2 = 0 V
–0.1
0.1
µA
Rising edge
1.3
1.65
1.9
EN_LDO Input Logic Levels
V
Hysteresis
0.6
EN_LDO = 0 V
0.7
1.0
1.3
EN_LDO Input Current
µA
EN_LDO = 30 V
–0.1
0
0.1
8
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