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The L6920 is a high efficiency step-up controller requiring only three external components to realize the conversion from the battery voltage to the selected output voltage.
The start up is guaranteed at 1V and the device is operating down to 0.6V.
Internal synchronous rectifier is implemented with a 120mP-channel MOSFET and, in order to improve the efficiency, a variable frequency control is implemented. Key Features
- LOW BATTERY VOLTAGE DETECTION
- 120m
INTERNAL ACTIVE SWITCH - 0.6 TO 5.5V OPERATING INPUT VOLTAGE
- INTERNAL SYNCHRONOUS RECTIFIER
- 1V START UP INPUT VOLTAGE
- 3.3V AND 5V FIXED OR ADJUSTABLE OUTPUT VOLTAGE (2V UP TO 5.2V)
- REVERSE BATTERY PROTECTION
- ZERO SHUT DOWN CURRENT
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Picture Part number 制造商 描述 
STEVAL-ISA077V2 -- High efficiency synchronous rectifier step-up converter demonstration board based on the L6920D 产品型号High efficiency synchronous rectifier step-up converter demonstration board based on the L6920D
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| 产品型号 | 供货状态 | 封装 | 等级规格 | 符合RoHS级别 | Material Declaration** |
|---|---|---|---|---|---|
| L6920D |
批量生产
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TSSOP8 | 工业 | Ecopack2 | |
| L6920DTR |
批量生产
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TSSOP8 | 工业 | Ecopack2 (**) |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
