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TPS70448 Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS70448
Description  DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS70448 Datasheet(HTML) 5 Page - Texas Instruments

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TPS70445, TPS70448, TPS70451, TPS70458, TPS70402
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
SLVS307B – SEPTEMBER 2000 – REVISED APRIL 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
RESET timing diagram
VIN1
VUVLO
VUVLO
t
t
t
MR Input
RESET Output
120 ms
Delay
120 ms
Delay
NOTES: A. VRES is the minimum input voltage for a valid RESET. The symbol VRES is not currently listed within EIA or JEDEC standards
for semiconductor symbology.
VRES
Output
Undefined
Output
Undefined
VRES
PG1 timing diagram
VPG
t
t
t
PG1 Output
VIT+
(see Note B)
VIN1
VOUT1
VPG1
VIT –
(see Note B)
VUVLO
VUVLO
PG1
NOTES: A. VPG1 is the minimum input voltage for a valid PG1. The symbol VPG1 is not currently listed within EIA or JEDEC standards for
semiconductor symbology.
B. VIT –Trip voltage is typically 5% lower than the output voltage (95%VO) VIT– to VIT+ is the hysteresis voltage.
Threshold
Voltage
Output
Undefined
Output
Undefined


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