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M5576PR Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part # M5576PR
Description  High performance current mode PWM controller
PDF  10 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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M5576PR Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

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M5576
高性能电流模式 PWM 控制器
M5576_V1.0
www.mjic.hk
6
振荡器
Fosc
振荡频率
VDD=14V, COMP=3V,
SEN=0.3V
60
65
70
KHZ
Δf_OSC
频率抖动
+/-4
%
f_shuffling
抖频
32
Hz
F_Burst
跳周期模式频率
22
KHz
栅驱动
VOL
输出低电平
VDD=14V，IO=6mA
1
V
VOH
输出高电平
VDD=14V，IO=5mA
6
V
V_Clamping
输出钳位电压
12
V
T_r
输出上升时间
1V~12V @ CL=1000pF
175
ns
T_f
输出下降时间
12V~1V @ CL=1000pF
85
ns
过温保护
IOTP
OTP 引脚输出电流
95
100
105
μA
VOTP
OTP 阈值电压
0.95
1
1.05
V
VOTP_FL
OTP 引脚悬空电压
2.8
V
Vth_OVP
外部 OVP 阈值电压
4.0
V
应用信息
M5576 是一款高集成度、高性能、电流模式 PWM 控制芯片，离线式 AC-DC 反激拓扑结构，具备低待机
功耗和低成本优点。扩展模式大大降低了待机功耗，方案设计适应国际节能的要求。
启动电流和启动控制
M5576 上电后，通过整流后电压为连接到 VDD 脚的接地电容充电，当 VDD 脚的电压高于 UVLO 阈
值时，芯片迅速启动。M5576 启动电流非常低，高阻值启动电阻可减少功率损耗，并能在应用中稳定可靠
的启动。
工作电流
M5576 工作电流低至 1.8mA。扩展突发模式能够实现高效率和低工作电流。
软启动



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