VOLTAGE REGULATOR. TPS76528 Datasheet

TPS76528 REGULATOR. Datasheet pdf. Equivalent

TPS76528 Datasheet
Recommendation TPS76528 Datasheet
Part TPS76528
Description 150-mA LOW-DROPOUT VOLTAGE REGULATOR
Feature TPS76528; Obsolete Devices: TPS76501, TPS76525, TPS76528 TPS76515, TPS76518, TPS76525, TPS76527 TPS76528, TPS7.
Manufacture etcTI
Datasheet
Download TPS76528 Datasheet




etcTI TPS76528
Obsolete Devices: TPS76501, TPS76525, TPS76528
TPS76515, TPS76518, TPS76525, TPS76527
TPS76528, TPS76530, TPS76533, TPS76550, TPS76501
ULTRA-LOW QUIESCIENT CURRENT 150-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS236 – AUGUST 1999
D 150-mA Low-Dropout Voltage Regulator
D 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
D Dropout Voltage to 85 mV (Typ) at 150 mA
(TPS76550)
D Ultra-Low 35-µA Typical Quiescent Current
D 3% Tolerance Over Specified Conditions for
Fixed-Output Versions
D Open Drain Power Good
D 8-Pin SOIC Package
D Thermal Shutdown Protection
D PACKAGE
(TOP VIEW)
NC/FB 1
PG 2
GND 3
EN 4
8 OUT
7 OUT
6 IN
5 IN
description
This device is designed to have an ultra-low quiescent current and be stable with a 4.7-µF capacitor. This
combination provides high performance at a reasonable cost.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 85 mV
at an output current of 150 mA for the TPS76550) and is directly proportional to the output current. Additionally,
since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent
of output loading (typically 35 µA over the full range of output current, 0 mA to 150 mA). These two key
specifications yield a significant improvement in operating life for battery-powered systems. This LDO family
also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the
quiescent current to less than 1 µA (typ).
TPS76533
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
10100
VI = 3.2 V
TPS76533
GROUND CURRENT
vs
LOAD CURRENT
35.0
VO = 3.3 V
34.9 TA = 25°C
34.8
IO = 150 mA
10–1
34.7
IO = 50 mA
34.6
34.5
10–2
IO = 10 mA
34.4
34.3
34.2
10–31
–50 –25 0
25 50 75 100 125 150
TA – Free-Air Temperature – °C
34.1
34.0
0
25
50
75 100 125 150
IL – Load Current – mA
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 Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1999, Texas Instruments Incorporated
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etcTI TPS76528
Obsolete Devices: TPS76501, TPS76525, TPS76528
TPS76515, TPS76518, TPS76525, TPS76527
TPS76528, TPS76530, TPS76533, TPS76550, TPS76501
ULTRA-LOW QUIESCIENT CURRENT 150-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS236 – AUGUST 1999
description (continued)
Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery
indicator.
The TPS765xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V and 5.0-V fixed-voltage versions and
in an adjustable version (programmable over the range of 1.25 V to 5.5 V). Output voltage tolerance is specified
as a maximum of 3% over line, load, and temperature ranges. The TPS765xx family is available in 8 pin SOIC
package.
AVAILABLE OPTIONS
OUTPUT VOLTAGE
(V)
PACKAGED DEVICES
TJ
SOIC
TYP
(D)
5.0
TPS76550D
3.3
TPS76533D
3.0
TPS76530D
2.8
TPS76528D
– 40°C to 125°C
2.7
2.5
TPS76527D
TPS76525D
1.8
TPS76518D
1.5
TPS76515D
Adjustable
1.25 V to 5.5 V
TPS76501D
The TPS76501 is programmable using an external resistor divider (see application
information). The D package is available taped and reeled. Add an R suffix to the
device type (e.g., TPS76501DR).
VI
0.1 µF
TPS765xx
5
IN
6
IN
4
EN
2
PG
NC/FB 1
7
OUT
8
OUT
GND
PG
VO
CO
+
4.7 µF
3
300 m
See application information section for capacitor selection details.
Figure 1. Typical Application Configuration for Fixed Output Options
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265



etcTI TPS76528
Obsolete Devices: TPS76501, TPS76525, TPS76528
TPS76515, TPS76518, TPS76525, TPS76527
TPS76528, TPS76530, TPS76533, TPS76550, TPS76501
ULTRA-LOW QUIESCIENT CURRENT 150-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS236 – AUGUST 1999
functional block diagram—adjustable version
IN
EN
_
+
PG
OUT
+
_
Vref = 1.224 V
R1
FB/NC
R2
GND
functional block diagram—fixed-voltage version
IN
EN
Vref = 1.224 V
_
+
+
_
External to the device
PG
OUT
R1
R2
GND
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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