稳压降压-升压电荷泵

ADI公司的稳压降压-升压电荷泵系列接受高于、等于或低于输出电压的输入电压,并且可用于将输入电压升高或下降至稳定输出电压。由于不再使用电感,这些开关电容转换器可作为开关稳压器拓扑的替代方案,减小解决方案的尺寸并简化设计。主要特点包括低静态电流、具有自动模式切换以维持稳压的多模式操作、高达500mA的 Iout、低噪声恒频操作、Burst Mode® 操作、过温、故障和短路保护。

稳压降压-升压电荷泵

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SortOrderPart#Number of OutputsVin
(min)
(V)
Vin
(max)
(V)
Output Current
(typ)
(A)
Output VoltageIsupply
(typ)
(A)
CommentsPrice (1000+)
($ US)
1LTC3246 1 2.7 38 500m 5V or Adjustable (2.5V to 5V), Fixed 3.3V 20µ Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer $3.25 (LTC3246EMSE#PBF)
2LTC3245 1 2.7 38 250m 5V or Adjustable (2.5V to 5V), Fixed 3.3V 18µ Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump $2.80 (LTC3245EDE#PBF)
3LTC3221 1 1.8 5.5 60m 3.3V, 5V, Adj Micropower, Regulated Charge Pump in 2 x 2 DFN $1.60 (LTC3221EDC#TRPBF)
4LTC3240 1 1.8 5.5 150m 2.5V, 3.3V 65µ 3.3V/2.5V Step-Up/Step-Down Charge Pump DC/DC Converter $1.60 (LTC3240EDC-2.5#TRPBF)
5LTC3204B-5 1 2.7 5.5 150m 5V 48µ Low Noise Regulated Charge Pump in 2 × 2 DFN, Constant Frequency At All Loads $1.60 (LTC3204BEDC-5#TRPBF)
6LTC3204B-3.3 1 1.8 4.5 50m 3.3V 48µ Low Noise Regulated Charge Pump in 2 × 2 DFN, Constant Frequency At All Loads $1.60 (LTC3204BEDC-3.3#TRPBF)
7LTC3204-5 1 2.7 5.5 150m 5V 48µ Low Noise Regulated Charge Pump in 2 × 2 DFN with Burst Mode $1.60 (LTC3204EDC-5#TRPBF)
8LTC3204-3.3 1 1.8 4.5 50m 3.3V 48µ Low Noise Regulated Charge Pump in 2 × 2 DFN with Burst Mode $1.60 (LTC3204EDC-3.3#TRPBF)
9LTC1555L-1.8 1 2.6 6.6 20m 1.8V, 3V, 5V 32µ SIM Power Supply & Level Translator $2.20 (LTC1555LEGN-1.8#PBF)
10LTC1555L 1 2.6 6.6 20m 3V, 5V 40µ SIM Power Supply & Level Translator $2.00 (LTC1555LEGN#PBF)
11LTC1755 1 2.7 6 60m 3V, 5V 60µ Universal Smart Card Interface $2.55 (LTC1755EGN#PBF)
12LTC1754-5 1 2 4 40m 5V 13µ SD Disconnect $1.50 (LTC1754ES6-5#TRPBF)
13LTC1754-3.3 1 2 4 40m 3.3V 13µ SD Disconnect $1.50 (LTC1754ES6-3.3#TRPBF)
14LTC1756 1 2.7 6 60m 3V, 5V 60µ Universal Smart Card Interface $2.30 (LTC1756EGN#PBF)
15LTC1517-3.3 1 2.2 4.4 15m 3.3V Micropower, Regulated 3.3V Charge Pump in a 5-Pin SOT-23 Package $2.00 (LTC1517CS5-3.3#TRPBF)
16LTC1556 1 2.7 10 20m 5V 60µ SIM Power Supply & Level Translator $3.35 (LTC1556CGN#PBF)
17LTC1555 1 2.7 10 20m 5V 60µ SIM Power Supply & Level Translator $2.85 (LTC1555CGN#PBF)
18LTC1515 1 2.7 10 50m 3.3V, 5V 60µ Step Up/Down Operation. Power On Reset $3.50 (LTC1515CS8#PBF)
19LTC1514 1 2.7 10 50m 3.3, 5V 60µ Step Up/Down Operation. Low Battery Comparator $3.50 (LTC1514CS8-3.3#PBF)