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HM2459B Fiches technique(PDF) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

No de pièce HM2459B
Description  800 mA up to 40V Input Step-Down DC/DC Regulator
PDF  13 Pages
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Fabricant  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Site Internet  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM2459B Fiches technique(HTML) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM2459B Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2459B Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd Next Button
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Recommended working condition
Parameter
Min
Max
Unit
Power supply voltage, VIN
4.75
40
V
SW voltage
-
42
V
Operating Junction Temperature Range
-40
125
°C
Storage Temperature
-65
150
°C
Block Diagram
FET
Driver
FB
IN
Soft
start
EN
2
4
5
3
GND
SET
DC
Limit
Buck
Drive
UVLO
TSD
Reset
PWM
comp
Error
Amp
Bandgap
UVLO
COMP
Voltage
Regulator
SW
6
BG
OSC
Inductor
Current
Measurement
Thermal
Shutdown
Max Duty
Cycle Limit
1
BS



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