电荷泵电路利用电容作为储能元件,从低压输入产生较高的电压输出。因此,可以用5 V输入电压产生10 V甚至15 V的输出电压。在笔记本电脑、手机数据线和手机显示屏等许多低压应用中,提供这些较高电压至关重要。
Part# Results: 7 | Product Description | Input Voltage (V) | Vout Preset (V) | Iout (mA) | Power Efficiency (%) | Supply Current | Shutdown Current, max | Boost | Inverter | Price* (1000 pcs.) |
---|---|---|---|---|---|---|---|---|---|---|
ADM660 | CMOS Switched-Capacitor Voltage Converter | 1.5 - 7 | -Vin or 2*Vin | 100 | 80 | 4.5mA | 5µA | Y | Y | $1.82 |
ADM8660 | CMOS Switched-Capacitor Voltage Converter w/ Low Power Shutdown Pin | 1.5 - 7 | -Vin | 100 | 80 | 4.5mA | 5µA | --- | Y | $1.92 |
ADM8828 | Switched Capacitor Voltage Inverter w/ Shutdown | 1.5 - 5.5 | -Vin | 25 | 99 | 1mA | 2µA | --- | Y | $0.76 |
ADM8829 | Switched Capacitor Voltage Inverter | 1.5 - 5.5 | -Vin | 25 | 99 | 1mA | n/a | --- | Y | $0.76 |
ADM8832 | Charge Pump Regulator for Color TFT Panels | 2.6 - 3.6 | +5.1/+15.3/-10.3 | 5/0.05/0.05 | 90 | 400µA | 1µA | Y | Y | $2.02 |
ADM8839 | Charge Pump Regulator for Color TFT Panels | 2.6 - 3.6 | +5/+15/-15 | 8/0.15/0.15 | 82 | 500µA | 5µA | Y | Y | $1.98 |
ADP3605 | 120 mA Switched Capacitor Voltage Inverter with Regulated Output | 3-6v | -3v/adj | 120 | n/a | 6mA | 15µA | --- | Y | $1.50 |