0.6/1.6 MHz Boost Converters With 22V Internal FET Switch In SOT-23

The LM2731 Switching Regulators are current-mode boost converters operating at fixed frequencies of 1.6 MHz (X option) and 600 kHz (Y option).
The use of SOT-23 package, made possible by the minimal power loss of the internal 1.8A Switch and use of small inductors and capacitors result in the industry's highest power density. The 22V internal Switch makes these solutions perfect for boosting to voltages up to 20V.
These parts have a logic-level shutdown pin that CAN be used to reduce quiescent current and extend battery life.
Protection is provided through cycle-by-cycle current limiting and thermal shutdown. Internal compensation simplifies design and reduces component count.
Switch Frequency X Y 1.6 MHz 0.6 MHz
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM2731YMF/NOPB Texas Instruments 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2731XMF/NOPB Texas Instruments 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2731YMF Texas Instruments 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM27313XMF/NOPB Texas Instruments 1.6 MHz boost converter with 30V Internal FET switch in SOT-23 5-SOT-23 -40 to 125
LM27313XQMFX/NOPB Texas Instruments 1.6 MHz boost converter with 30V Internal FET switch in SOT-23, AEC-Q100 qualified 5-SOT-23 -40 to 125
LM2731XMF Texas Instruments 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2731YMFX/NOPB Texas Instruments 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM27313XMFX/NOPB Texas Instruments 1.6 MHz boost converter with 30V Internal FET switch in SOT-23 5-SOT-23 -40 to 125
LM2731XMFX/NOPB Texas Instruments 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM27313XQMF/NOPB Texas Instruments 1.6 MHz boost converter with 30V Internal FET switch in SOT-23, AEC-Q100 qualified 5-SOT-23 -40 to 125
LM2731 's PackagesLM2731 's pdf datasheet
LM2731XMF SOT-23
LM2731YMF SOT-23
LM2731XMFX SOT-23
LM2731YMFX SOT-23




LM2731 Pinout, Pinouts
LM2731 pinout,Pin out
This is one package pinout of LM2731,If you need more pinouts please download LM2731's pdf datasheet.

LM2731 Application circuits
LM2731 circuits
This is one application circuit of LM2731,If you need more circuits,please download LM2731's pdf datasheet.


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