Datasheet > LT1529-3.3_15

LT1529-3.3_15

更新时间： 2024-11-27 01:11:59

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	155K
描述
3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown

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LT1529-3.3_15 数据手册

LT1529

LT1529-3.3/LT1529-5

3A Low Dropout Regulators

with Micropower

Quiescent Current

and Shutdown

FEATURES

DESCRIPTIO

The LT^®1529/LT1529-3.3/LT1529-5 are 3A low dropout

regulators with micropower quiescent current and shut-

down. The devices are capable of supplying 3A of output

current with a dropout voltage of 0.6V. Designed for use

in battery-powered systems, the low quiescent current,

50µA operating and 16µA in shutdown, make them an

ideal choice. The quiescent current is well controlled; it

does not rise in dropout as it does with many other low

dropout PNP regulators.

■

Dropout Voltage: 0.6V at I_OUT= 3A

■

Output Current: 3A

■

Quiescent Current: 50µA

No Protection Diodes Needed

■

Adjustable Output from 3.8V to 14V

■

3.3V and 5V Fixed Output Voltages

■

Controlled Quiescent Current in Dropout

■

Shutdown I_Q= 16µA

■

Stable with 22µF Output Capacitor

■

Reverse Battery Protection

Other features of the LT1529 /LT1529-3.3/LT1529-5 in-

clude the ability to operate with small output capacitors.

They are stable with 22µF on the output while most older

devices require up to 100µF for stability. Small ceramic

capacitors can be used, enhancing manufacturabiltiy.

Alsotheinputmaybeconnectedtovoltageslowerthanthe

output voltage, including negative voltages, without re-

verse current flow from output to input. This makes the

LT1529/LT1529-3.3/LT1529-5 ideal for backup power

situations where the output is held high and the input is at

ground or reversed. Under these conditions, only 16µA

will flow from the OUTPUT pin to ground. The devices are

available in 5-lead TO-220 and 5-lead DD packages.

■

No Reverse Current

Thermal Limiting

■

APPLICATIO S

■

High Efficiency Regulator

■

Regulator for Battery-Powered Systems

■

Post Regulator for Switching Supplies

5V to 3.3V Logic Regulator

■

, LTC and LT are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

Dropout Voltage

0.6

5V Supply with Shutdown

0.5

0.4

0.3

0.2

0.1

OUTPUT

LT1529-5

> 5.5V

22µF

SHDN SENSE

GND

(PIN 4) OUTPUT

SHDN

<0.25

>2.8

OFF

LT1529 • TA01

1.0

1.5

2.0

2.5

3.0

0.5

OUTPUT CURRENT (A)

LT1529 • TA02

152935fb

12 3 4 5 6 7...12

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与LT1529-3.3_15相关器件

型号	品牌	获取价格	描述	数据表
LT1529-5	Linear	获取价格	3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown
LT1529-5_15	Linear	获取价格	3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown
LT1529CM-5	Linear	获取价格	IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO2, D2PAK-3, Fixed Positive Si
LT1529CQ	Linear	获取价格	3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown
LT1529CQ#PBF	Linear	获取价格	LT1529 - 3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package
LT1529CQ-3.3	Linear	获取价格	3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown
LT1529CQ-3.3#PBF	Linear	获取价格	LT1529 - 3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package
LT1529CQ-3.3#TR	Linear	获取价格	LT1529 - 3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package
LT1529CQ-3.3#TRPBF	Linear	获取价格	LT1529 - 3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package
LT1529CQ-5	Linear	获取价格	3A Low Dropout Regulators with Micropower Quiescent Current and Shutdown

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