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TPS77450DGKR PDF预览

TPS77450DGKR

更新时间： 2024-11-22 22:52:51
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
24页 345K
描述
250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING

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TPS77450DGKR 数据手册

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TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT  
TPS77401/415/418/427/428/433/450 WITH POWER GOOD OUTPUT  
250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING  
SLVS281E – FEBRUARY 2000 – REVISED JULY 2001  
TPS773xx  
DGK Package  
(TOP VIEW)  
D
D
Open Drain Power-On Reset With 220-ms  
Delay (TPS773xx)  
Open Drain Power-Good (PG) Status  
Output (TPS774xx)  
FB/SENSE  
RESET  
EN  
OUT  
OUT  
IN  
1
2
3
4
8
7
6
5
D
250-mA Low-Dropout Voltage Regulator  
D
Available in 1.5-V, 1.6-V (TPS77316 Only),  
1.8-V, 2.7-V, 2.8-V, 3.3-V, 5.0-V Fixed Output  
and Adjustable Versions  
GND  
IN  
TPS774xx  
DGK Package  
(TOP VIEW)  
D
Dropout Voltage Typically 200 mV  
at 250 mA (TPS77333, TPS77433)  
D
D
D
Ultralow 92-µA Quiescent Current (Typ)  
FB/SENSE  
PG  
1
2
3
4
8
7
6
5
OUT  
OUT  
IN  
8-Pin MSOP (DGK) Package  
Low Noise (55 µV  
) Without an External  
rms  
EN  
Filter (Bypass) Capacitor (TPS77318,  
TPS77418)  
GND  
IN  
D
D
D
D
2% Tolerance Over Specified Conditions  
For Fixed-Output Versions  
TPS77x33  
DROPOUT VOLTAGE  
vs  
JUNCTION TEMPERATURE  
Fast Transient Response  
Thermal Shutdown Protection  
See the TPS779xx Family of Devices for  
Active High Enable  
300  
250  
200  
150  
100  
50  
I
O
= 250 mA  
description  
The TPS773xx and TPS774xx are low-dropout  
regulators with integrated power-on reset and  
power good (PG) function respectively. These  
devicesarecapableofsupplying250mAofoutput  
current with a dropout of 200 mV (TPS77333,  
TPS77433). Quiescent current is 92 µA at full load  
dropping down to 1 µA when device is disabled.  
These devices are optimized to be stable with a  
wide range of output capacitors including lowESR  
ceramic (10 µF) or low capacitance (1 µF)  
tantalum capacitors. These devices have ex-  
I
O
= 10 mA  
I
O
= 0 A  
0
–50  
tremely low noise output performance (55 µV  
)
rms  
–40  
0
40  
80  
120  
160  
without using any added filter capacitors.  
TPS773xx and TPS774xx are designed to have  
fast transient response for larger load current  
changes.  
T
J
– Junction Temperature – °C  
The TPS773xx or TPS774xx is offered in 1.5-V, 1.6 V (TPS77316 only), 1.8-V, 2.7-V, 2.8-V, 3.3-V, and 5.0-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 TPS773xx and TPS774xx 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.  
Copyright 2001, 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  
1234567...24

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TPS77450DGKR 替代型号

型号 品牌 替代类型 描述 数据表
TPS79850QDGNRQ1 TI

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 50 mA, 3 V TO 50 V, MICROPOWER, LOW-DROPOUT LINEAR REGULATOR
TPS77450DGK TI

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 250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
TPS77450DGKRG4 TI

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