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TPS77228DGK Datasheet

  • TPS77228DGK

  • 150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG

  • 357.47KB

  • 23頁

  • TI

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TPS77101, TPS77118, TPS77127, TPS77128, TPS77133 WITH RESET OUTPUT
TPS77201, TPS77218, TPS77227, TPS77228, TPS77233 WITH POWER GOOD OUTPUT
150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG
SLVS225A 鈥?FEBRUARY 2000 鈥?REVISED MARCH 2000
D
D
D
D
D
D
D
D
D
D
D
Open Drain Power-On Reset With 220-ms
Delay (TPS771xx)
Open Drain Power-Good (PG) Status
Output (TPS772xx)
150-mA Low-Dropout Voltage Regulator
Available in 1.8-V, 2.7-V, 2.8-V, 3.3-V, Fixed
Output and Adjustable Versions
Dropout Voltage Typically 115 mV
at 150 mA (TPS77133, TPS77233)
Ultra Low 92-碌A Quiescent Current (Typ)
8-Pin MSOP (DGK) Package
Low Noise (55
碌V
rms
) Without External
Filter (Bypass) Capacitor (TPS77118,
TPS77218)
2% Tolerance Over Specified Conditions
for Fixed-Output Versions
Fast Transient Response
Thermal Shutdown Protection
TPS771xx
DGK PACKAGE
(TOP VIEW)
FB/SENSE
RESET
EN
GND
1
2
3
4
TPS772xx
DGK PACKAGE
(TOP VIEW)
8
7
6
5
OUT
OUT
IN
IN
FB/SENSE
PG
EN
GND
1
2
3
4
8
7
6
5
OUT
OUT
IN
IN
TPS77x33
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
300
description
The TPS771xx and TPS772xx are low dropout
regulators with integrated power-on reset and
power good (PG) function respectively. These
devices are capable of supplying 150 mA of output
current with a dropout of 115 mV (TPS77133,
TPS77233). Quiescent current is 92
碌A
at full load
dropping down to 1
碌A
when device is disabled.
These devices are optimized to be stable with a
wide range of output capacitors including low ESR
ceramic (10
碌F)
or low capacitance (1
碌F)
tantalum capacitors. These devices have ex-
tremely low noise output performance (55
碌V
rms
)
without using any added filter capacitors.
TPS771xx and TPS772xx are designed to have
fast transient response for larger load current
changes.
250
VDO 鈥?Dropout Voltage 鈥?mV
200
IO = 150 mA
150
100
IO = 10 mA
50
0
鈥?0
IO = 0 A
120
0
40
80
TJ 鈥?Junction Temperature 鈥?/div>
擄C
140
The TPS771xx or TPS772xx is offered in 1.8-V, 2.7-V, 2.8-V and 3.3-V fixed-voltage versions and in an
adjustable version (programmable over the range of 1.5 V to 5.5 V). Output voltage tolerance is 2% over line,
load, and temperature ranges. The TPS771xx and TPS772xx families are available in 8-pin MSOP (DGK)
packages.
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.
This document contains information on products in more than one phase
of development. The status of each device is indicated on the page(s)
specifying its electrical characteristics.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPS77228DGK 產品屬性

  • 80

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 2.8V

  • 最高 10V

  • 0.15V @ 150mA

  • 1

  • 150mA（最小值）

  • -

  • -40°C ~ 125°C

  • 表面貼裝

  • 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）

  • 8-MSOP

  • 管件

  • 296-8105-5

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