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TL3842P 数据手册 - TI(德州仪器)
制造商:
TI(德州仪器)
分类:
PWM控制器
封装:
DIP-8
描述:
TEXAS INSTRUMENTS TL3842P 电流模式控制器, PWM, 25V-12V电源, 500 kHz, 30V/200mA输出, DIP-8
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P10P11P12
原理图在P8P11
封装尺寸在P16P17P18P19P21P22
标记信息在P16P17P18P19
封装信息在P15P16P17P18P19P20P21P22
技术参数、封装参数在P4
应用领域在P1P27
电气规格在P5P6
导航目录
TL3842P数据手册
Page:
of 27 Go
若手册格式错乱,请下载阅览PDF原文件

T T
1.72
f
R C
»
( )
S max
S
1 V
I
R
=
TL2842
,
TL2843
,
TL2844
,
TL2845
TL3842
,
TL3843
,
TL3844
,
TL3845
www.ti.com
SLVS038H –JANUARY 1989–REVISED JANUARY 2015
Typical Application (continued)
9.1.2 Detailed Design Procedure
9.1.2.1 Current-Sense Circuit
A. Peak current (IS) is determined by the formula: A small RC filter formed by resistor Rf and capacitor Cf
may be required to suppress switch transients.
Figure 14. Current-Sense Circuit Schematic
9.1.2.2 Error-Amplifier Configuration
A. Error amplifier can source or sink up to 0.5 mA.
Figure 15. Error-Amplifier Configuration Schematic
9.1.2.3 Oscillator Section
A. For R
T
> 5 kΩ:
Figure 16. Oscillator Section Schematic
Copyright © 1989–2015, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Links: TL2842 TL2843 TL2844 TL2845 TL3842 TL3843 TL3844 TL3845
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