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ISL9120 - Compact High Efficiency Low Power Buck-Boost Regulator

Description

LX2 Inductor connection, output side.

Buck-boost output.

Connect a 22µF or 47µF capacitor to PGND.

Features

  • Accepts input voltages above or below regulated output voltage.
  • Automatic bypass mode functionality.
  • Automatic and seamless transitions between buck and boost modes.
  • Input voltage range: 1.8V to 5.5V.
  • Selectable forced bypass power saving mode.
  • Adaptive multilevel current limit scheme to optimize efficiency at low and high currents.
  • Output current: up to 800mA (VIN = 2.5V, VOUT = 3.3V).
  • High efficiency: up to 98%.

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Datasheet Details

Part number ISL9120
Manufacturer Renesas
File Size 731.45 KB
Description Compact High Efficiency Low Power Buck-Boost Regulator
Datasheet download datasheet ISL9120 Datasheet

Full PDF Text Transcription

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DATASHEET ISL9120 Compact High Efficiency Low Power Buck-Boost Regulator FN8659 Rev.3.00 Nov 29, 2018 The ISL9120 is a highly integrated buck-boost switching regulator that accepts input voltages either above or below the regulated output voltage. This regulator automatically transitions between buck and boost modes without significant output disturbance. The ISL9120 also has automatic bypass functionality. When the input voltage is generally within 1% to 2% of the output voltage, there will be a direct bypass connection between the VIN and VOUT pins. In addition to the automatic bypass functionality, the ISL9120 also has forced bypass functionality with the use of the BYP pin. This device is capable of delivering up to 800mA of output current (VIN = 2.5V, VOUT = 3.
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