高电压充电泵

Analog Devices 的高电压充电泵系列提供了极其广泛的简单与紧凑型无电感器 DC-DC 转换器设计选择。此类转换器可用于对输入电压进行升压、降压或反相操作。其主要特点包括故障保护、低静态电流和用于保持调节作用的自动模式切换功能。通过免除电感器,这些开关电容器转换器可提供小巧的解决方案占板面积并简化设计。
产品选型表

High Voltage Charge Pumps

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SortOrderPart#Vin
(min)
(V)
Vin
(max)
(V)
Output Current
(typ)
(A)
Output VoltageFunctionIsupply
(typ)
(A)
CommentsUS Price 1000 to 4999
($ US)
1LTC7820 6 72 20 12V, -12V, 24V, 48V or higher, up to 500W+ Doubler or Inverter, Fixed Ratio High Power DC/DC: Divider 1.5m Fixed Ratio High Power Inductorless (Charge Pump) DC/DC Controller $4.70 (LTC7820EUFD#PBF)
2LTC3246 2.7 38 500m 5V or Adjustable (2.5V to 5V), Fixed 3.3V Charge Pump 20µ Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer $3.25 (LTC3246EMSE#PBF)
3LTC3256 5.5 38 350m 3.3V, 5V Regulated Step-Down Charge Pump 20µ Wide VIN Range Dual Output 350mA Step-Down Charge Pump with Watchdog Timer $2.95 (LTC3256EMSE#PBF)
4LTC3255 4 48 50m Adj (2.4V to 12.5V) Regulated Step-Down Charge Pump 30µ Wide VIN Range Fault Protected 50mA Step-Down Charge Pump $2.30 (LTC3255EDD#PBF)
5LTC3245 2.7 38 250m 5V or Adjustable (2.5V to 5V), Fixed 3.3V Regulated Buck-Boost Charge Pump 18µ Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump $2.80 (LTC3245EDE#PBF)
6LTC3261 4.5 32 100m -Adj Regulated Inverting Charge Pump 60µ High Voltage Low Quiescent Current Inverting Charge Pump $2.87 (LTC3261EMSE#PBF)
7LTC3260 4.5 32 100m Adj Negative Linear Regulator, Positive Linear Regulator, Regulated Inverting Charge Pump 100µ Low Noise Dual Supply Inverting Charge Pump $3.40 (LTC3260EMSE#PBF)