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。

有关ADI公司电源产品的问题,请访问中文技术论坛电源支持社区

产品选型表


输入参数值,然后点击ADIsimPower查找电源管理解决方案。 Launch of ADIsimPower Voltage Regulator Design Tool
可用系统电压 工作电压轨 负载电流
Vin (最小值) V Vin (最大值) V Vout V Iout A

EngineerZone Download tools for ADIsimPower
让这些电源管理信号链给您灵感,助您了解更多电源元件,以提高电源设计的鲁棒性和效率。 有电源设计方面的问题?
向ADI电源管理专家提问。
基于Excel的独立设计工具。这些工具提供原理图、物料清单和其它仿真数据。

Switch Cap Converters

Part#Device Primary FunctionVin (min)Vin (max)Vout-PresetsVout Adjustable (min)Vout Adustable (max)Iout (max)Isw Peak (typ)Freq, switching Pre-setFreq, Switching (min)Freq, Switching (max)Vsupply Positive (min)Vsupply Positive (max)Isupply (max)# OutputsIsupply @ shutdown (max)Device TopologySpecial FeaturesOperating Temp RangeUS Price 1000 to 4999
ADM8832 Switched Capacitor Converters - - - - - - - - - - - - - - - - - - $2.02
ADM8839 Switched Capacitor Converters - - - - - - - - - - - - - - - - - - $1.98
ADP3605 Switched Capacitor Converters 3 6 -3V/Adj - - 120 mA - 250 kHz - - - - 6 mA 1 15 µA Inverting Regulated Output(s) - $1.50
ADM8829Reference Circuit Available Switched Capacitor Converters 1.5 5.5 -Vin - - 25 µA - - 50 kHz 190 kHz - - 1 mA 1 - Inverting - - $0.76
ADM8828 Switched Capacitor Converters 1.5 5.5 -Vin - - 25 A - 120 kHz 50 kHz 190 kHz - - 1 mA 1 2 µA Inverting - - $0.76
ADM8660 Switched Capacitor Converters 1.5 7 -Vin - - 100 A - 120 kHz - - - - 4.5 mA 1 5 µA Inverting - - $1.92
ADM660Reference Circuit Available Switched Capacitor Converters 1.5 5.5 -Vin - - 100 - 120 kHz - - - - 4.5 µA - 5 µA Inverting - - $1.82
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Inductorless (Charge Pump) LED Drivers

Part Number Description Vin (min) (V) Vin (max) (V) Vout (min) (V) Vout (max) (V) # of Strings LEDs per String Max Current per String (mA) Boost Type I2C Support Pin/Package Pricing ($@1k)
ADM8843 PWM Parallel 4 WLED Driver 2.6 5.5 Vin 5.5 4 1 20 Charge Pump No LFCSP-16 0.5
ADM8845 PWM Parallel 6 WLED Driver 2.6 5.5 Vin 5.5 6 1 30 Charge Pump No LFCSP-16 0.71
ADP8860 Parallel 7 WLED Driver with ALS 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.36
ADP8861 Parallel 7 WLED Driver 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.22
ADP8863 Parallel 7 channel Fun Lighting LED Driver 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.22
ADP8866 Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects 2.5 5.5 4.3 5.5 9 1 25 Charge Pump Yes LFCSP-20 1.48
ADP8870 Parallel 7 WLED Driver with ALS & cABC 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.48
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