HX1001
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| HX1001 | 1 | 2.2～5.5 | 200 | 1.2,1.5,1.8, 3.3/0.6～5.5 | 700 | 1/1.4 | √ | SOT-23-5L |  |
Features
? Up to 95% Efficiency
? Current Mode Operation for Excellent Line and Load Transient Response
? 700mA Output Current
? Low Quiescent Current: 200μA
? Output Voltage: 0.6V ～ 5.5V
? Automatic PWM/PFM Mode Switching
? No Schottky Diode Required
? Frequency Operation: 1.0MHz for Fixed Output Voltage and 1.4MHz for Adjustable Output Voltage
? Short-Circuit Protection
? Shutdown Quiescent Current:<1μA
? Low Profile TSOT/ SOT-23-5L Package (lead-free packaging is now available)
Applications
? Digital cameras and MP3
? Palmtop computers / PDAs
? Cellular phones
Description
The HX1001 is high efficiency synchronous, PWM step-down DC/DC converters working under an input voltage range from 2.2V to 5.5V. This feature makes the HX1001 suitable for single Li-Lon battery-powered applications. 100% duty cycle capability extends battery life in portable devices, while the quiescent current is 200μA with no load, and drops to<1μA in shutdown.
The internal synchronous switch is desired to increase efficiency without an external Schottky diode. The 1.0MHz/1.4MHz switching frequency allows the using of tiny, low profile inductors and ceramic capacitors, which minimized overall solution footprint.
The HX1001 converters are available in the industry standard TSOT/SOT-23-5L power packages (or upon request).
? Wireless handsets and DSL modems
? Portable media players
? PC cards
HX1001 – ① ② ③:
SYMBOL | DESCRIPTION |
① | Denotes Output Voltage: A: Adj K: 1.2V B: 1.5 V C: 1.8V G: 3.3V |
② | Denotes Package Type: E: SOT-23-5L |
③ | Internal Definition |
Typical Application Circuit
Figure 2: Adjustable Voltage Converter
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