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ISL9305H - 3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs

Description

TABLE 1.

Features

  • Dual 1.5A, Synchronous Step-down Converters and Dual 300mA, General-purpose LDOs.
  • Input Voltage Range - DCD1/DCD2.
  • . . . 2.5V to 5.5V - LDO1/LDO2.
  • . . . 1.5V to 5.5V.
  • 400kb/s I2C-Bus Series Interface Transfers the Control Data Between the Host Controller and the ISL9305H.
  • Adjustable Output Voltage - VODCD1/VODCD2.
  • . . . . 0.8V to VIN.

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Datasheet Details

Part number ISL9305H
Manufacturer Renesas
File Size 777.74 KB
Description 3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs
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Full PDF Text Transcription

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DATASHEET ISL9305H 3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs with I2C Compatible Interface FN7724 Rev 2.00 March 7, 2014 The ISL9305H is an integrated mini Power Management IC (mini-PMIC) for powering low-voltage microprocessors, or applications using a single Li-Ion or Li-Polymer cell battery to power multiple voltage rails. The ISL9305H integrates two high-efficiency 3MHz synchronous step-down converters (DCD1 and DCD2) and two low-input, low-dropout linear regulators (LDO1 and LDO2). The 3MHz PWM switching frequency allows the use of very small external inductors and capacitors. Both step-down converters can enter skip mode under light load conditions to further improve the efficiency and maximize the battery life.
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