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

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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 FunctionSpecial FeaturesDevice TopologyVout PresetVin max (V)Vin min (V)Iout (max)Isupply @ shutdown (max)Isupply (max)Switching Freq, Pre-setOperating Temp RangeDisplay in ISTActive for Param SearchUS Price 1000 to 4999
ADP3605 Switched Capacitor Converters Regulated Output(s) Inverting -3V/Adj 6 3 120 mA 15 µA 6 mA 250 kHz - Yes Yes $1.50
ADM8829Reference Circuit Available Switched Capacitor Converters - Inverting -Vin 5.5 1.5 25 µA - 1 mA - - Yes Yes $0.76
ADM8828 Switched Capacitor Converters - Inverting -Vin 5.5 1.5 25 A 2 µA 1 mA 120 kHz - Yes Yes $0.76
ADM8660 Switched Capacitor Converters - Inverting -Vin 7 1.5 100 A 5 µA 4.5 mA 120 kHz - Yes Yes $1.92
ADM660Reference Circuit Available Switched Capacitor Converters - Inverting -Vin 5.5 1.5 100 5 µA 4.5 µA 120 kHz - Yes Yes $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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