U429B-FP

更新时间： 2024-01-10 14:51:54

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页数	文件大小	规格书
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描述
Driver For IR Transmitter Diodes (Current Sink)

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U429B-FP 技术参数

U429B-FP

Driver For IR Transmitter Diodes (Current Sink)

Technology: Bipolar

Features

Constant current for IR signal 320 mA

Undervoltage control with indicator driver

Constant current output for control LED 100 mA

Minimum driver current I = 0.4 mA

Additional switching transistor I = 20 mA

Package: SO8

Current stabilisation starts at V = 1 V

Control voltage V = 2 to 13.2 V

Figure 1. Block diagram

Pin Description

Symbol

Function

Symbol

Function

Ground Negative supply terminal

Positive supply voltage terminal

Switching output

(standby/ operation)

Undervoltage indicator output

(battery control)

Control input

(standby/ operation)

IR diode output signal

Supply voltage for the control

stages of constant current outputs

Signal input to drive the current

source

TELEFUNKEN Semiconductors

1 (4)

Rev. A1, 27-Feb-96

12 3 4

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型号	品牌	描述	获取价格	数据表
U430	VISHAY	Matched N-Channel Pairs	获取价格
U430-1	VISHAY	Small Signal Field-Effect Transistor, 2-Element, N-Channel, Silicon, Junction FET, TO-78	获取价格
U430-2	VISHAY	Small Signal Field-Effect Transistor, 2-Element, N-Channel, Silicon, Junction FET, TO-78	获取价格
U430-E3	VISHAY	TRANSISTOR 2 CHANNEL, VHF BAND, Si, N-CHANNEL, RF SMALL SIGNAL, JFET, TO-78, TO-78, 7 PIN,	获取价格
U431	VISHAY	Matched N-Channel Pairs	获取价格
U431-1	VISHAY	Small Signal Field-Effect Transistor, 2-Element, N-Channel, Silicon, Junction FET, TO-78	获取价格