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HM1513 Datasheet(PDF) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part No. HM1513
Description  2A 380KHz 18V Buck DC to DC Converter
Download  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

HM1513 Datasheet(HTML) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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Shenzhen H&M Semiconductor Co.Ltd
http: //www.hmsemi.com
Features
General Description
The HM1513 is a 380KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 2A load with high
efficiency, low ripple and excellent line and
 Wide 3.6V to 18V Input Voltage Range
 Output Adjustable from 0.8V to 16V
Maximum Duty Cycle 100%
Minimum Drop Out 0.6V
 Fixed 380KHz Switching Frequency
2A Constant Output Current Capability
Internal Optimize Power MOSFET
High efficiency
Excellent line and load regulation
TTL shutdown capability
EN pin with hysteresis function
 Built in thermal shutdown function
 Built in current limit function
 Built in output short protection function
 Available in SOP8 package
load regulation. Requiring a minimum
number of external components, the regulator
is simple to use and include internal
frequency
compensation
and
a
fixed-frequency oscillator.
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 100%. An enable
function, an over current protection function
is built inside. When short protection function
happens, the operation frequency will be
reduced from 380KHz to 80KHz. An internal
compensation block is built
external component count.
in to minimize
Applications
 LCD Monitor and LCD TV
 Digital Photo Frame
 Set-up Box
 ADSL Modem
 Telecom / Networking Equipment
Figure1. Package Type of HM1513
2A 380KHz 18V Buck DC to DC Converter
HM1513
1


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