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M5576PR Datasheet(PDF) 5 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) 5 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
5
电气参数 (Ta=25oC):
项目
参数
测试条件
最小
典
型
最大
单位
供电电压(VDD)
I _Startup
VDD 启动电流
VDD=UVLO(OFF)-1V,测试
流入VDD的电流
5
20
uA
I_VDD_Ops
工作电流
VCOMP=3V
1.4
2.5
mA
VDD_OFF
欠压锁存开启
8
9
10
V
VDD_ON
欠压锁存结束(恢复)
14.5
15.5
16.5
V
Vpull_up
上拉 PMOS 启动
13
V
Vdd_Clamp
IVDD=10mA
30
32
34
V
OVP(ON)
过压保护电压
SEN=0.3V,COMP=3V,
VDD 升高直到 DRV 时
钟关闭
26
28
30
V
反馈输入部分(COMP Pin)
VCOMP_Open
VCOMP 开环电压
4
5
V
最大占空比
Max duty cycle @
VDD=14V, COMP=3V,
VSEN=0.3V
75
80
85
%
Vref_green
进入绿色模式的阈值
1.4
V
Vref_burst_H
进入跳周期模式的阈值
0.68
V
Vref_burst_L
离开跳周期模式的阈值
0.58
V
ICOMP_Short
COMP 引脚短路电流
测量 COMP 短路到地的
电流
0.4
mA
VTH_PL
过载时的 COMP 电压
3.6
V
TD_PL
过载延迟时间
80
88
96
mS
ZCOMP_IN
输入阻抗
16
KΩ
电流检测输入(SEN pin)
SST
软启动时间
4
ms
T_blanking
前沿消隐时间
220
ns
TD_OC
过载延迟时间
从过流产生到 DRV 引脚
关闭
120
ns
VTH_OC
内部电流限制阈值电压与
零占空比
0.75
V
Vocp_clamping
SEN 电压嵌位
0.9
V



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