Datasheet
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PIN CONFIGURATIONS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND/HEATSINK
NC
IN
IN
EN
PGor RESET
OUTPUT
OUTPUT
GND/HEATSINK
GND/HEATSINK
NC
NC
GND
NC
NC
NC
NC
NC
GND/HEATSINK
FB/SENSE
TPS751xxQ
TPS753xxQ
SLVS241C – MARCH 2000 – REVISED OCTOBER 2007
TSSOP-20
PWP
(TOP VIEW)
Table 1. PIN DESCRIPTIONS
TPS751xxQ, TPS753xxQ
TSSOP-20 (PWP)
NAME PIN NO. I/O DESCRIPTION
EN 5 I Negative polarity enable ( EN) input
Adjustable voltage version only; feedback voltage for setting output voltage of
FB/SENSE 7 I the device. Not internally connected on adjustable versions. Sense input for
fixed options.
GND 17 Ground
GND/HEATSINK 1, 10, 11, 20 Ground/heatsink
IN 3, 4 I Input voltage
2, 12, 13, 14,
NC Not connected
15, 16, 18, 19
OUTPUT 8, 9 O Regulated output voltage
TPS751xxQ devices only; open-drain power-good (PG) output.
PG/ RESET 6 O
TPS753xxQ devices only; open-drain RESET output.
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