LT1529CT-5#PBF datasheet, PDF - EEWORLD Datasheet

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LT1529CT-5#PBF: DescriptionLDO Regulator Pos 5V 3A 5-Pin(5+Tab) TO-220 Tube; File Size141KB，12 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LT1529CT-5#PBF Overview

LDO Regulator Pos 5V 3A 5-Pin(5+Tab) TO-220 Tube

LT1529CT-5#PBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant with Exemption
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
SVHC	Yes
SVHC Exceeds Threshold	Yes
Type	LDO
Number of Outputs	1
Polarity	Positive
Output Type	Fixed
Output Voltage (V)	5
Maximum Output Current (A)	3
Minimum Input Voltage (V)	3.8
Maximum Input Voltage (V)	15
Maximum Dropout Voltage @ Current (V)	0.43@700mA\|0.55@1.5A\|0.75@3A
Line Regulation	10mV
Load Regulation	20mV
Junction to Ambient	50°C/W
Junction to Case	2.5°C/W
Special Features	Current Limit\|Reverse Current Protection\|Short Circuit Protection\|Shutdown\|Thermal Protection
Minimum Operating Temperature (°C)	0
Maximum Operating Temperature (°C)	125
Supplier Temperature Grade	Commercial
Packaging	Tube
Supplier Package	TO-220
Pin Count	5
Standard Package Name	TO-220
Mounting	Through Hole
Package Height	9.4(Max)
Package Length	10.54(Max)
Package Width	4.57(Max)
PCB changed	5
Tab	Tab
Lead Shape	Through Hole

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LT1529

LT1529-3.3/LT1529-5

3A Low Dropout Regulators

with Micropower

Quiescent Current

and Shutdown

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.

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.

Also the input may be connected to voltages lower than the

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.

FEATURES

■

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

= 16µA

Stable with 22µF Output Capacitor

Reverse Battery Protection

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

> 5.5V

5V Supply with Shutdown

0.6

0.5

LT1529-5

SHDN SENSE

GND

22µF

DROPOUT VOLTAGE (V)

OUTPUT

0.4

0.3

0.2

0.1

SHDN

(PIN 4)

< 0.25

> 2.8

OUTPUT

OFF

LT1529 • TA01

0.5

Dropout Voltage

1.0

1.5

2.0

OUTPUT CURRENT (A)

2.5

3.0

LT1529 • TA02

152935fb

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