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  • Description

    The JW®3510 is a micropower isolated Flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage can be programmed with a single external resistor. Besides, internal compensation and soft-start further reduce external component count.

    The JW3510 operates with an input voltage range of 3.0V to 48V and can deliver up to 7W of isolated output power. The primary-side can deliver 1.4A peak current with an internal integrated 75V N-Channel DMOS power switch. The JW3510 is designed with boundary mode, discontinuous mode and burst mode operation at different load to improve load regulation and maintain high efficiency while minimizing the output voltage ripple.

    JW3510 is available in the SOT23-5 package. The high level of integration results in a simple to use, low component count, and high efficiency application solution for isolated power delivery.

  • Features

    1.  3.0V to 48V Operating Input Range

    2.  1.4A, 75V Internal DMOS Power Switch

    3.  Up to 430KHz Operating Frequency

    4.  Low Quiescent Current

    5.  Boundary Mode Operation at Heavy Load

    6.  Burst Mode Operation at Light Load

    7.  VOUTSet with a Single External Resistor

    8.  Minimum Load<0.5% (Typ) of Full Output

    9.  No Transformer Third Winding or Opto- Isolator Required for Regulation

    10. Internal Compensation and Soft-Start

    11. Input under voltage lockout

    12. Output Short-Circuit Protection

    13. Thermal Protection

    14. SOT23-5 Package

  • Specification

    1. Input voltage: 3V to 48V

    2. Power range: ≤7W

    3. Inner MOSFET breakdown voltage: 75V

    3. MOSFET Rdson: 0.5Ω

    4. Maximum frequency: 430kHz

  • Typical Application
Software and hardware support
Title Type FileType Size( KB) Date
EV3510_S0_R1 DEMO PDF 4031K 2019.01.16
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