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HM7201 Folha de dados(PDF) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Nome de Peças HM7201
Descrição Electrónicos  5mA~450mA Constant Current Regulator
PDF  10 Pages
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Fabricante Electrônico  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Página de início  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM7201 Folha de dados(HTML) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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©1999~2016
5mA~450mA Constant Current Regulator
1
5mA~450mA Constant Current Regulator
INTRODUCTION
The HM72XX-series products are linear constant current
regulators. With simple features, the HM72XX are economical
devices designed to provide a cost-effective solution for
current regulation of LED applications. The HM72XXlets LEDs
work under stable current and avoid brightness unstable
caused by current change, while their low voltage reduces
power consumption.
With function of negative temperature coefficient, HM72XX
can protect LEDs from thermal runaway at extreme current.
HM72XX also provides a wide constant current range from
5mA to 450mA.
Packages of SOT23-3, SOT89-3, SOT223, and TO252 are
available.
MAIN APPLICATIONS
•
LED Light Bars
•
LED Bulbs
•
LED Fluorescent Lights
•
LED Backlight
FEATURE HIGHLIGHTS
•
Wide output voltage range: 2V~40V
•
Negative temperature coefficient
•
Accurate sink current: ±3%
•
–40 oC ~+85 oC operation temperature range
•
Pb-free and green packages:
SOT23-3, SOT89-3, SOT223, TO252
•
Output current: 5mA~450mA
BLOCK DIAGRAM
Bandgap
VP
VS
Regulator
UC5400-5cA-NST2303R7
5
HM7200-5
5


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