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ISL62871 - PWM DC/DC Controller

Features

  • Robust integrated MOSFET drivers and Schottky bootstrap diode reduce the implementation area and lower component cost. Intersil’s R3 Technology™ combines the best features of both fixed-frequency and hysteretic PWM control. The PWM frequency is 300kHz during static operation, becoming variable during changes in load, setpoint voltage, and input voltage when changing between battery and AC-adapter power. The modulators ability to change the PWM switching frequency during these events in conjunct.

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Datasheet preview – ISL62871

Datasheet Details

Part number ISL62871
Manufacturer Renesas
File Size 1.22 MB
Description PWM DC/DC Controller
Datasheet download datasheet ISL62871 Datasheet
Additional preview pages of the ISL62871 datasheet.

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Full PDF Text Transcription

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DATASHEET ISL62871, ISL62872 PWM DC/DC Controller With VID Inputs For Portable GPU Core-Voltage Regulator FN6707 Rev 1.00 May 8, 2014 The ISL62871 and ISL62872 IC’s are Single-Phase Synchronous-Buck PWM voltage regulators featuring Intersil’s Robust Ripple Regulator (R3) Technology™. The wide 3.3V to 25V input voltage range is ideal for systems that run on battery or AC-adapter power sources. The ISL62871 and ISL62872 are low-cost solutions for applications requiring dynamically selected slew-rate controlled output voltages. The soft-start and dynamic setpoint slew-rates are capacitor programmed. Voltage identification logic-inputs select two (ISL62871) or four (ISL62872) resistor-programmed setpoint reference voltages that directly set the output voltage of the converter between 0.
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