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HM2490 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM2490
Description  2.5A CC or CV BUCK 2.5A
PDF  9 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

HM2490 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM2490 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2490 Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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TYPICAL PERFORMANCE CHARACTERISTICS
C1=C2=4.7μF, C4=0.22μF, C5=C6=10μF, L=10μH, TA=25ºC, unless otherwise noted
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VOUT=5V
LOAD CURRENT (A)
VIN=8V
VIN=12V
VIN=24V
0.1
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VOUT=3.3V
LOAD CURRENT (A)
VIN=8V
VIN=12V
VIN=24V
0.1
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VOUT=12V
LOAD CURRENT (A)
VIN=18V
VIN=24V
HM2490
升降压或升压应用：LED驱动 （输出电压比输入电压高或低都可以）
1.
OVP设定：（1+R1/R2）×0.8=18.2V
2.
恒流设定：95mv/63mΩ=1.508A
3.
可串接3只LED（10V）或5只（16V），1.5A恒定



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