參數(shù)資料
型號: TPS51427ARHBT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 41/42頁
文件大?。?/td> 2131K
代理商: TPS51427ARHBT
SLUS843B – MAY 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
A
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
A
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
A
EN_LDO = 30 V
–0.1
0
0.1
8
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS51427A
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