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TPS76815Q, TPS76818Q, TPS76825Q
TPS76827Q, TPS76828Q, TPS76830Q
TPS76833Q, TPS76850Q, TPS76801Q
SLVS211J – JUNE 1999 – REVISED OCTOBER 2004
FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
FEATURES
•
•
1 A Low-Dropout Voltage Regulator
Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V,
3.0-V, 3.3-V, 5.0-V Fixed Output and
Adjustable Versions
Dropout Voltage Down to 230 mV at 1 A
(TPS76850)
Ultralow 85 µA Typical Quiescent Current
Fast Transient Response
2% Tolerance Over Specified Conditions for
Fixed-Output Versions
Open Drain Power Good (See TPS767xx for
Power-On Reset With 200-ms Delay Option)
8-Pin SOIC and 20-Pin TSSOP (PWP) Package
Thermal Shutdown Protection
GND/HSINK
GND/HSINK
GND
NC
EN
IN
IN
NC
GND/HSINK
GND/HSINK
PWP PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
•
•
•
•
•
•
•
GND/HSINK
GND/HSINK
NC
NC
PG
FB/NC
OUT
OUT
GND/HSINK
GND/HSINK
NC − No internal connection
D PACKAGE
(TOP VIEW)
DESCRIPTION
This device is designed to have a fast transient
response and be stable with 10µF low ESR capaci-
tors. This combination provides high performance at a
reasonable cost.
TPS76833
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
10
3
∆
VO - Change in
Output Voltage - mV
I
O
= 1 A
10
2
VDO - Dropout Voltage - mV
100
50
0
-50
-100
10
0
I O - Output Current - A
I
O
= 10 mA
1
0.5
0
GND
EN
IN
IN
1
2
3
4
8
7
6
5
PG
FB/NC
OUT
OUT
LOAD TRANSIENT RESPONSE
C
o
= 10
µF
T
A
= 25°C
10
1
10
-1
C
o
= 10
µF
10
-2
-60 -40
-20
0
20
40
I
O
= 0
60
80 100 120 140
T
A
- Free-Air Temperature -
°C
0
100 200 300 400 500 600 700 800 900 1000
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1999–2004, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
