LT1424IN8-5#PBF

更新时间： 2024-01-22 16:14:15

品牌	Logo	应用领域
凌特 - Linear		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
16页	191K
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中文翻译

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数据手册

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LT1424IN8-5#PBF 数据手册

LT1424-5

Isolated Flyback

Switching Regulator

with 5V Output

FEATURES

DESCRIPTIO

The LT^®1424-5 is a monolithic high power switching

regulator specifically designed for the isolated flyback

topology. No “third winding” or optoisolator is required;

the integrated circuit senses the isolated output voltage

directly from the primary side flyback waveform. A high

current, high efficiency switch is included on the die along

with all oscillator, control and protection circuitry.

■

No Transformer “Third Winding” or Optoisolator

Required

■

Designed for Use with 1:1 Ratio Transformers

■

Fixed, Application Specific 5V Output Voltage

■

Regulation Maintained Well into Discontinuous

Mode (Light Load)

■

Load Compensation Provides Excellent

Load Regulation

The LT1424-5 operates with input supply voltages from

3V to 20V and draws only 7mA quiescent current. It can

deliver up to 400mA at 5V with no external power devices.

By utilizing current mode switching techniques, it pro-

vides excellent AC and DC line regulation.

■

Available in 8-Pin PDIP and SO Packages

■

Operating Frequency: 285kHz

APPLICATIO S

TheLT1424-5hasanumberoffeaturesnotfoundonother

switching regulator ICs. Its unique control circuitry can

maintain regulation well into discontinuous mode. Load

compensation circuitry allows for improved load regula-

tion. An externally activated shutdown mode reduces total

supply current to 20µA typical for standby operation.

■

Isolated Communication Supplies

■

Industrial Automation

■

Instrumentation Systems

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

TYPICAL APPLICATIO

5V Output Isolated Power Supply

Load Regulation

5.25

330pF

47Ω

ISOLATION

BARRIER

MBRS130LT3

400mA

100µF

10V

0.1µF

1N5248

47Ω

330pF

•

5.00

SHDN

1.8k

100µF

CCOMP

10V

•

MBR0540T4

LT1424-5

OUT

COM

SYNC

SGND

PGND

1000pF

1424-5 TA01

0.1µF

C1, C2: AVX TPS D107M010R0080

T1: DALE LPE-4841-A307

INPUT

COM

4.75

100

200

300

400

OUTPUT CURRENT (mA)

1424-5 TA02

sn14245 14245fs

12 3 4 5 6 7...16

中文翻译

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与LT1424IN8-5#PBF相关器件

型号	品牌	获取价格	描述	数据表
LT1424IN8-9	Linear	获取价格	Isolated Flyback Switching Regulator with 9V Output
LT1424IS8-5	Linear	获取价格	Isolated Flyback Switching Regulator with 5V Output
LT1424IS8-5#PBF	Linear	获取价格	LT1424-5 - Isolated Flyback Switching Regulator with 5V Output; Package: SO; Pins: 8; Temp
LT1424IS8-5#TRPBF	Linear	获取价格	LT1424-5 - Isolated Flyback Switching Regulator with 5V Output; Package: SO; Pins: 8; Temp
LT1424IS8-9	Linear	获取价格	Isolated Flyback Switching Regulator with 9V Output
LT1424IS8-9#PBF	Linear	获取价格	LT1424-9 - Isolated Flyback Switching Regulator with 9V Output; Package: SO; Pins: 8; Temp
LT1424IS8-9#TRPBF	Linear	获取价格	LT1424-9 - Isolated Flyback Switching Regulator with 9V Output; Package: SO; Pins: 8; Temp
LT1425	Linear	获取价格	Isolated Flyback Switching Regulator
LT1425	ADI	获取价格	隔离型反激式开关稳压器
LT1425CS	Linear	获取价格	Isolated Flyback Switching Regulator

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