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ISL91127IRAZ-T7A

DC/DC Switching Buck-Boost Regulator, Adjustable, 1.8V-5.5V in, 1V-5.2V out, 2.1A, QFN-20

RENESAS ISL91127IRAZ-T7A

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Manufacturer:
RENESAS RENESAS
Manufacturer Part No:
ISL91127IRAZ-T7A
Order Code:
2616824
Product Range
ISL911xx Series
Technical Datasheet:
ISL91127IRAZ-T7A   Datasheet
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Product Range Selector (ISL911xx Series)

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Product Overview

The ISL91127IRAZ-T7A is an adjustable output high efficiency buck-boost regulator with 4.5A switch in 20 pin QFN package. This high current buck-boost switching regulator is suitable for systems using new battery chemistries. It uses Intersil's buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and very low output voltage ripple when the input voltage is close to output voltage. The ISL91127IR is capable of delivering at least 2A continuous output current (VOUT=3.3V) over battery voltage range of 2.5V to 4.35V. It maximizes the energy utilization of advanced single cell Li-ion battery chemistries that have significant capacity left at voltages below system voltage. Its fully synchronous low ON-resistance, 4-switch architecture and low quiescent current of only 30µA optimize efficiency under all load conditions. It is used in brown-out free system voltage for smart phones and tablet PCs, wireless communication devices & 2G/3G/4G RF power amplifi
  • Accepts input voltages above or below regulated output voltage
  • Automatic and seamless transitions between buck and boost modes
  • Output voltage range from 1V to 5.2V and input voltage range from 1.8V to 5.5V
  • VIN supply current of 30µA
  • High efficiency up to 96%
  • 2.5MHz switching frequency minimizes external component size
  • Fully protected for short circuit, overtemperature and undervoltage
  • Output voltage accuracy of ±2% (VIN = 3.7V, VOUT = 3.3V, IOUT = 0mA, PWM mode)
  • Operating temperature range from -40°C to +85°C

Applications

Power Management, Medical, Consumer Electronics, Portable Devices

Warnings

This device is sensitive to electrostatic discharge, follow proper IC handling procedures.

Product Information

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:
Buck-Boost

:
1.8V

:
5.5V

:
1Outputs

:
QFN

:
20Pins

:
2.1A

:
1V

:
5.2V

:
2.5MHz

:
85°C

:
ISL911xx Series

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

Packaging type Re-reel

Available for back order

Deliveries start from 7/13/21

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RM12.18

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