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參數資料
| 型號： | TPS77228DGK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG |
| 中文描述： | 150毫安LDO穩壓器與集成復位或PG |
| 文件頁數： | 1/23頁 |
| 文件大小： | 357K |
| 代理商： | TPS77228DGK |
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 – FEBRUARY 2000 – REVISED MARCH 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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-
μ
A
Quiescent Current (Typ)
8-Pin MSOP (DGK) Package
Low Noise (55
μ
V
rms
) Without External
Filter (Bypass) Capacitor (TPS77118,
TPS77218)
2% Tolerance Over Specified Conditions
for Fixed-Output Versions
Fast Transient Response
Thermal Shutdown Protection
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
μ
A at full load
dropping down to 1
μ
A when device is disabled.
These devices are optimized to be stable with a
wide range of output capacitors including low ESR
ceramic (10
μ
F) or low capacitance (1
μ
F)
tantalum capacitors. These devices have ex-
tremely low noise output performance (55
μ
V
rms
)
without using any added filter capacitors.
TPS771xx and TPS772xx are designed to have
fast transient response for larger load current
changes.
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
2000, Texas Instruments Incorporated
FB/SENSE
PG
EN
GND
OUT
OUT
IN
IN
TPS772xx
DGK PACKAGE
(TOP VIEW)
TPS77x33
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
150
100
50
0
–40
0
TJ – Junction Temperature –
°
C
40
80
200
250
300
120
140
–
V
IO = 150 mA
IO = 10 mA
IO = 0 A
FB/SENSE
RESET
EN
GND
OUT
OUT
IN
IN
TPS771xx
DGK PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS77228DGKG4 | 功能描述:低壓差穩壓器 - LDO Fast-Transient-Resp 150-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77228DGKR | 功能描述:低壓差穩壓器 - LDO Fast-Transient-Resp 150-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77228DGKRG4 | 功能描述:低壓差穩壓器 - LDO Fast-Transient-Resp 150-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77233DGK | 功能描述:低壓差穩壓器 - LDO Fast-Transient-Resp 150-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS77233DGKG4 | 功能描述:低壓差穩壓器 - LDO Fast-Transient-Resp 150-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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