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reference designISL854102 | Demoboard Application Note 1908

Renesas ISL854102 | Demoboard Application Note 1908

ISL85410DEMO1Z, ISL85418DEMO1Z Wide VIN 1A and 800mA Synchronous Buck Regulators

Overview

TopologyBuck Converter
Input voltage3-40 V
Switching frequency300-2000 kHz
Output 13.3 V / 1.2 A
Output 25 V / 1.2 A
Output 32.5 V / 1.2 A
Output 412 V / 1.2 A
IC revision3.00

Description

The ISL85410DEMO1Z, ISL85418DEMO1Z kits are intendedfor use for Point-of-Load applications sourcing from 3V to 40V.The kits are used to demonstrate the performance of theISL85410, ISL85418 Wide VIN Low Quiescent Current HighEfficiency Sync Buck Regulators with 1A (ISL85410) and800mA (ISL85418) output current.The ISL85410, ISL85418 are offered in a 4mmx3mm 12 LdDFN package with 1mm maximum height. The converteroccupies 1.516cm2 area.

Features

  • Wide input voltage range 3V to 40V
  • Synchronous operation for high efficiency
  • No compensation required
  • Integrated high-side and low-side NMOS devices
  • Selectable PFM or forced PWM mode at light loads
  • Internal fixed (500kHz) or adjustable switching frequency300kHz to 2MHz
  • Continuous output current up to 800mA
  • Internal or external soft-start
  • Minimal external components required
  • Power-good and enable functions available

More information

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L(µH)
IR(A)
ISAT(A)
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74408943220
SPECWE-SPC SMT Power Inductor, 22 µH, 1.1 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-SPC SMT Power Inductor
Inductance22 µH
Rated Current1.1 A
Saturation Current1.4 A
DC Resistance0.213 Ω
Self Resonant Frequency19 MHz
VersionSMT 
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