HX1106
| 型号 | 通道数 | 输入电压 V | 静态电流 μA | 输出电压 V | 最大输出电流 mA | 频率 mHz | 同步 | 封装 | 说明书 |
|---|---|---|---|---|---|---|---|---|---|
| HX1106 | 2 | 2.5～5.5 | 200*2 | 0.6～5.5 | 800*2 | 1 | √ | DFN3*3-10L |  |
Features
? Up to 94% Efficiency
? Current Mode Operation for Excellent Line and Load Transient Response
? Output Voltage: 0.6V ～ 5.5V
? Low Quiescent Current (one Channel): 200μA
? Up to 800mA Load Current
? Soft-start
? Automatic PWM/PFM Mode Switching
? No Schottky Diode Required
? 1MHz Constant Frequency Operation
? Short-Circuit Protection
? Shutdown Quiescent Current: < 1μA
? DFN3*3-10L Package
Applications
? Digital cameras and MP3
? Palmtop computers / PDAs
? Cellular phones
? Wireless handsets and DSL modems
? Portable media players
? PC cards
Description
The HX1106 is a high efficiency synchronous, dual channel PWM step-down DC/DC converter working under an input voltage range of 2.5V to 5.5V. It integrates two PWM synchronous step-down DC-DC converters. 100% duty cycle capability extends battery life in portable devices, while the quiescent current (one channel) is 200μA with no load, and drops to <1μA in shutdown.
Each DC-DC converter has independent enable input and short-circuit protection allowing versatile power sequence combination.
The HX1106 converters are available in the industry standard DFN3*3-10L packages (or upon request).
Typical Application Circuit
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