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HM1488D Datasheet - ETC

Part Name
Description
MFG CO.
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[Shenzhen Huazhimei Semiconductor Co., Ltd]

Overview
HM1488D is a simple and efficient synchronization with a maximum output current of 5A Rectifier step-down regulator. The input voltage range of HM1488D is from 4.5V to 18V, Can provide the maximum output current of 5A, the output voltage is as low as 0.8 V. The The product is packaged in ESOP8 with a heat sink, and the operating temperature is -40 °C To +85 °C.

Features
● 4.5 V to 18 V operating voltage range
● Maximum 5A continuous output current
● Synchronous step-down: 43mΩ built-in high-side switch and 40mΩ built-in low-side switch (VIN = 10 V)
● Up to 95% efficiency
● External soft start function
● Adjustable output voltage, minimum 0.8 V
● 500 KHz PWM working mode
● Cycle-by-cycle current limit protection
● Short circuit protection

Application occasions
● DC/DC power supply
● LCD TV
● Laptop
● DVD and Blu-ray players
● Optical fiber modulator

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