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零件编号
产品描述 (功能)
CR5223 查看數據表(PDF) - Unspecified
零件编号
产品描述 (功能)
生产厂家
CR5223
(CR5224 - CR5229) MOSFET / Green energy current mode flyback PWM power switch
Unspecified
CR5223 Datasheet PDF : 21 Pages
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典型应用电路图
:
CR522X
应用指导书
一、芯片工作原理
1.
功能概述:
Current
Reference
Soft
Driver
VDDG
1
Drain
5/6
Power
MOSFET
VDD
2
Internal
supply
5V
RQ
S
UVLO
POR
VDD
clamper
Burst
mode
burst mode
OSC
Vth
CPL
Soft-start
OCP
SENSE
Slope
compensation
LEB
4
5.7V
PWM
Compartor
FB
50ms
OLP
3
7/8
GND
图
1.1 CR522X
内部框图
2
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