參數(shù)資料
型號(hào)： TPS70758PWPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
封裝： GREEN, PLASTIC, HTSSOP-20
文件頁數(shù)： 37/40頁
文件大?。?/td> 918K
代理商： TPS70758PWPRG4
www.ti.com
TPS70745, TPS70748
TPS70751, TPS70758
TPS70702
SLVS291D – MAY 2000 – REVISED DECEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1V, IO = 1mA,
EN = 0V, and CO = 33F (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOUT1 Terminal
VOUT1 UV comparator: Positive-going
input threshold voltage of VOUT1 UV
80% VO
83% VO
86% VO
V
comparator
VOUT1 UV comparator: Hysteresis
0.5% VO
mV
VOUT1 UV comparator: Falling edge
VSENSE_1 decreasing below threshold
140
s
deglitch
Dropout voltage(4)
IO = 250mA, TJ = +25°C
VIN1 = 3.2V
83
mV
Dropout voltage(4)
IO = 250mA,
VIN1 = 3.2V
140
mV
Peak output current(4)
2ms pulse width
750
mA
Discharge transistor current
VOUT1 = 1.5V
7.5
mA
VIN1 UVLO threshold
2.4
2.65
V
FB Terminal
Input current: TPS70702
FB = 1.8V
1
A
(4)
Input voltage (VIN1 or VIN2) = VO(typ) – 100mV. For 1.5V, 1.8V and 2.5V regulators, the dropout voltage is limited by input voltage range.
The 3.3V regulator input is set to 3.2V to perform this test.
6
Copyright 2000–2007, Texas Instruments Incorporated
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