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The LM5157QRTERQ1 is a wide input range, non-synchronous boost converter with integrated 50 V, 6.5 A (LM5157-Q1) or 50 V, 4.33 A (LM51571-Q1) voltage, power switch. The device can be used in boost, SEPIC and flyback topologies. The device can be operated from a single section, and it can operate with input supply voltages as low as 1 V. The device can be operated from a single section. If the BIAS pin is greater than 2.9 V, the input supply voltage can be as low as 1.5 V. With pins greater than 2.9 V, the device can operate with input supply voltages as low as 1.5 V. The device can be used in boost, SEPIC, and flyback topologies.

Product Attributes

Function: Boost, Step-Up/Buck

Output Configuration: Positive

Topology: Boost, Flyback, SEPIC

Output Type: Adjustable

Number of Outputs: 1

Voltage - Input (Min): 1.5V

Voltage - Input (Max): 45V

Voltage - Output (Min/Fixed): 1.5V

Voltage - Output (Max): 48V

Current - Output: 6.5A (Switched)

Frequency - Switching: 100kHz ~ 2.2MHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 150°C (TJ)

Mounting Type: Surface Mount

Package/Shell: 16-WFQFN Exposed Pad

Supplier Device Package: 16-WQFN (3x3)

Applications

● Battery Powered Wide Input Boost, SEPIC, Flyback Converters

● Automotive voltage stabilisers in SEPICs

● Automotive start-stop applications

● Automotive emergency call applications/battery backup boosters

● High voltage LiDAR power supplies

● Automotive LED bias power supplies

● Multi-output flyback without optocoupler

● Holding Capacitor Chargers

● Audio Amplifier Power Supplies

● Piezo Driver/Motor Driver Bias Power Supplies

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• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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