TPS77501 Datasheet, PDF (1/22 Pages) Texas Instruments – FAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORS

TPS77501, TPS77515, TPS77518, TPS77525, TPS77533 WITH RESET OUTPUT
TPS77601, TPS77615, TPS77618, TPS77625, TPS77628, TPS77633 WITH PG OUTPUT
FAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS232B – SEPTEMBER 1999 – REVISED NOVEMBER 1999
D Open Drain Power-On Reset With 200-ms
Delay (TPS775xx)
D Open Drain Power Good (TPS776xx)
D 500-mA Low-Dropout Voltage Regulator
D Available in 1.5-V, 1.8-V, 2.5-V, 2.8-V
(TPS77628 Only), 3.3-V Fixed Output and
Adjustable Versions
D Dropout Voltage to 169 mV (Typ) at 500 mA
(TPS77x33)
D Ultra Low 85 µA Typical Quiescent Current
D Fast Transient Response
D 2% Tolerance Over Specified Conditions for
Fixed-Output Versions
D 8-Pin SOIC and 20-Pin TSSOP PowerPAD™
(PWP) Package
D Thermal Shutdown Protection
description
The TPS775xx and TPS776xx devices are
designed to have a fast transient response and be
stable with a 10-µF low ESR capacitors. This
combination provides high performance at a
reasonable cost.
PWP PACKAGE
(TOP VIEW)
GND/HSINK 1
GND/HSINK 2
GND 3
NC 4
EN 5
IN 6
IN 7
NC 8
GND/HSINK 9
GND/HSINK ¹⁰
20 GND/HSINK
19 GND/HSINK
18 NC
17 NC
16 RESET/PG
15 FB/NC
14 OUT
13 OUT
12 GND/HSINK
11 _GND/HSINK
NC – No internal connection
D PACKAGE
(TOP VIEW)
GND 1
EN 2
IN 3
IN 4
8 RESET/PG
7 FB/NC
6 OUT
5 OUT
TPS77x33
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
103
102
IO = 500 mA
TPS77x33
LOAD TRANSIENT RESPONSE
CO = 2x47 µF
ESR = 1/2x100 mΩ
50
VO = 3.3 V
VI = 4.3 V
0
101
–50
IO = 10 mA
100
10–1
CO = 10 µF
IO = 0
10–2
–60 –40 –20 0 20 40 60 80 100 120 140
TA – Free-Air Temperature – °C
500
0
0 20 40 60 80 100 120 140 160 180 200
t – Time – µs
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 1999, Texas Instruments Incorporated
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