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SGM2531/A
Programmable Current Limit Switches
Programmable Current Limit Switches
GENERAL DESCRIPTION

The SGM2531 and SGM2531A are single-channel load switches with controlled slew rate. The VOUT rise time can be programmed by setting an additional capacitor to the SS pin, which can minimize inrush current. The devices contain an N-MOSFET that can operate over an input voltage range of 4.5V to 20V. With precision 5% current limit, the devices can provide excellent accuracy and be well applied to many system protection applications.

Programmable under-voltage lockout or over-voltage protection is used to turn off the device if the VIN drops below or raises over a threshold value, 3% threshold accuracy ensures tight that the downstream circuitry is not damaged by unintended power supply. Fault conditions are indicated by the nFLT pin.

The SGM2531 and SGM2531A are available in Green SOIC-8 (Exposed Pad) and TDFN-2×3-8BL packages.

PIN CONFIGURATIONS

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FEATURES
  • Wide Input Voltage Range from 4.5V to 20V with Surge up to 30V

  • Low On-Resistance: 

    SOIC-8 (Exposed Pad): 60mΩ

    TDFN-2×3-8BL: 50mΩ

  • Programmable Output Ramp Time

  • Programmable Current Limit: 100mA to 3A

  • 5% Current Limit Accuracy at 1A

  • Enable Interface Pin

  • Full Set of Protections

    Short-Circuit Protection

    Over-Voltage Protection

    Under-Voltage Lockout

    Fault Condition Indication Pin (nFLT)

  • Thermal Shutdown Options

    SGM2531A: Auto-Retry

    SGM2531: Latch-Off

  • -40 to +125 Junction Temperature Range

  • Available in Green SOIC-8 (Exposed Pad) and TDFN-2×3-8BL Packages

APPLICATIONS

Set-Top Boxes, Gaming Consoles

HDD and SSD Drives

Smart E-Meters

eFuse/USB Switches

Adapter Power Cables

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM2531XPS8G/TR Production SOIC-8 (Exposed Pad) 8 Y -40℃ to +125℃ Samples
SGM2531XTDC8G/TR Production TDFN-2×3-8BL 8 Y -40℃ to +125℃ Samples
SGM2531AXPS8G/TR Production SOIC-8 (Exposed Pad) 8 Y -40℃ to +125℃ Samples
SGM2531AXTDC8G/TR Production TDFN-2×3-8BL 8 Y -40℃ to +125℃ Samples
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