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- OP42AZ - 集成电路(IC) > 线性 > 放大器 > 仪器,运算放大器,缓冲器
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- LTC6268HS8#TRPBF - 集成电路(IC) > 线性 > 放大器 > 仪器,运算放大器,缓冲器



LTC3443 - LTC3443是High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter
LTC3443是LINEAR凌力尔特公司的一款内部开关电源降压-升压产品,LTC3443是LTC3443是High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter,本站介绍了LTC3443的封装应用图解、特点和优点、功能等,并给出了与LTC3443相关的LINEAR元器件型号供参考。
LTC3443 - LTC3443是High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter - 内部开关电源降压-升压 - 电源管理 - 凌力尔特
LTC3443 - High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter
LTC3443 - High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter - Linear Technology(凌力尔特)
The LTC3443 is a high efficiency, fixed frequency, buckboost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The part is pin for pin compatible with its predecessor, the LTC3441, with a lower operating frequency (600kHz), and a VC pin clamp circuit during Burst Mode operation. The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for single Lithium Ion or multicell applications where the output voltage is within the battery voltage range.
The device includes two 0.10Ω N-channel MOSFET switches and two 0.11Ω P-channel switches. External Schottky diodes are optional, and can be used for a moderate efficiency improvement. The operating frequency is internally set to 600kHz and can be synchronized up to 1.2MHz. Quiescent current is only 28µA in Burst Mode operation, maximizing battery life in portable applications. Burst Mode operation is user controlled and can be enabled by driving the MODE/SYNC pin high. If the MODE/ SYNC pin is driven low or with a clock, then fixed frequency switching is enabled.
Other features include a 1µA shutdown, soft-start control, thermal shutdown and current limit. The LTC3443 is available in a thermally enhanced 12-lead (4mm × 3mm) DFN Package.
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
|---|---|---|---|---|
| LTC3443EDE | 4x3 DFN-12 | E | $4.23 | $3.55 |
| LTC3443EDE#PBF | 4x3 DFN-12 | E | $4.23 | $3.55 |
| LTC3443EDE#TR | 4x3 DFN-12 | E | $3.65 | |
| LTC3443EDE#TRPBF | 4x3 DFN-12 | E | $3.65 |
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