开关电容变换器

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。

Sw Capacitor Converters (Inductorless DC-DC Converters)
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