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TPS70802 Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS70802
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

TPS70802 Datasheet(HTML) 6 Page - Texas Instruments

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TPS70845, TPS70848, TPS70851, TPS70858, TPS70802
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
SLVS301B – JUNE 2000 – REVISED OCTOBER 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PG2 timing diagram (assuming VIN1 already powered up)
NOTE A: VIT – Trip voltage is typically 5% lower than the output voltage (95%VO) VIT– to VIT+ is the hysteresis voltage.
t
t
t
PG2
Output
VIT+
(see Note A)
VIN2
VOUT2
VIT –
(see Note A)
Threshold
Voltage
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
EN1
5
I
Active low enable for VOUT1
EN2
6
I
Active low enable for VOUT2
GND
8
Ground
MR
4
I
Manual reset input, active low, pulled up internally
NC
1, 11, 20
No connection
PG1
16
O
Open drain output, low when VOUT1 voltage is less than 95% of the nominal regulated voltage
PG2
15
O
Open drain output, low when VOUT2 voltage is less than 95% of the nominal regulated voltage
RESET
7
I
Open drain output, SVS (power on reset) signal, active low
VIN1
2, 3
I
Input voltage of regulator 1
VIN2
9, 10
I
Input voltage of regulator 2
VOUT1
18, 19
O
Output voltage of regulator 1
VOUT2
12, 13
O
Output voltage of regulator 2
VSENSE2/FB2
14
I
Regulator 2 output voltage sense/ regulator 2 feedback for adjustable
VSENSE1/FB1
17
I
Regulator 1 output voltage sense/ regulator 1 feedback for adjustable


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