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HM2743 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM2743
Description  High efficiency, low energy consumption non-isolated regulator
PDF  10 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM2743 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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电气参数（正常情况下，环境温度为 25 ºC ）
符号
参数
测试条件
最小值
典型值
最大值
单位
ICHRG
VIN 内部充电电流
2.5
3.5
4.5
mA
VBD
VIN 端口耐压
650
-
-
V
IBPQ
BP 端口静态电流
BP=VSTARTUP+0.1V，
FB=2V
-
730
-
uA
IBPQN
BP 端口静态电流（无开关）
BP=VSTARTUP+0.1V，
FB=3V
-
230
-
uA
VSTARTUP
BP 启动电压
9.2
10.2
11.2
V
VRESTART
BP 再启动电压
8.3
9.3
10.3
V
VBPOFF
BP 关断电压
-
3.1
-
V
VLIMIT
BP 过压嵌位电压
10.2
11.2
12.2
V
VPEAK
CS 峰值电压
430
480
530
mV
TLEB
前沿消隐时间
-
350
-
ns
VFB
反馈电压
2.60
2.65
2.70
V
TMAXON
最大导通时间
-
26
-
us
TMINOFF
最小关断时间
-
15
-
us
TSCP
短路保护延迟时间
-
150
-
ms
VOLP
FB 过载保护电压
BP=VSTARTUP+0.1V
1.4
1.58
1.65
V
TSD
热关断温度
-
155
-
℃
典型性能参数
VIN = 230V AC, VOUT = 12V , IOUT = 300mA, L=1.3mH, C=100μF, T=25℃
HM2743



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