TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 WITH RESET OUTPUT
TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 WITH PG OUTPUT
FAST-TRANSIENT-RESPONSE 750-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS230A – SEPTEMBER 1999 – REVISED SEPTEMBER 1999
PWP PACKAGE
(TOP VIEW)
Open Drain Power-On Reset With 200-ms
Delay (TPS777xx)
Open Drain Power Good (TPS778xx)
750-mA Low-Dropout Voltage Regulator
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND/HSINK
GND/HSINK
GND/HSINK
NC
GND/HSINK
GND
Available in 1.5-V, 1.8-V, 2.5-V, 3.3-V Fixed
Output and Adjustable Versions
NC
NC
EN
RESET/PG
FB/NC
Dropout Voltage to 260 mV (Typ) at 750 mA
(TPS77x33)
IN
IN
OUT
Ultra Low 85 µA Typical Quiescent Current
NC
OUT
Fast Transient Response
GND/HSINK
GND/HSINK
GND/HSINK
GND/HSINK
2% Tolerance Over Specified Conditions for
Fixed-Output Versions
NC – No internal connection
8-Pin SOIC and 20-Pin TSSOP PowerPAD
(PWP) Package
D PACKAGE
(TOP VIEW)
Thermal Shutdown Protection
GND
EN
IN
RESET/PG
FB/NC
OUT
1
2
3
4
8
7
6
5
description
TPS777xx and TPS778xx 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.
IN
OUT
TPS77x33
DROPOUT VOLTAGE
vs
TPS77x33
FREE-AIR TEMPERATURE
LOAD TRANSIENT RESPONSE
3
2
1
0
10
10
10
10
C
= 2x47 µF
O
ESR = 1/2x100 mΩ
= 3.3 V
50
0
V
O
I
= 750 mA
O
V = 4.3 V
I
–50
1000
500
0
I
O
= 10 mA
–1
10
10
I
= 0
O
C
= 10 µF
O
–2
–60 –40 –20
T
0
20 40 60 80 100 120 140
0
20 40 60 80 100 120 140 160 180 200
– Free-Air Temperature – °C
t – Time – µs
A
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.
Copyright 1999, 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.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265