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reference designISL81802 | Demoboard ISL81802EVAL1Z

Renesas ISL81802 | Demoboard ISL81802EVAL1Z

Overview

TopologyBuck Converter
Input voltage18-80 V
Switching frequency100-10000 kHz
Output 112 V / 20 A
IC revision1.00

Description

The ISL81802EVAL1Z dual-phase evaluation board (shown in Figure 4) features the ISL81802, an 80V high voltage dual synchronous buck controller that offers external soft-start, independent enable functions, and integrates UV/OV/OC/OT protection. A programmable switching frequency ranging from 100kHz to 1MHz helps to optimize inductor size while the strong gate driver delivers up to 20A for the buck output.

Features

  • Wide input range: 18V to 80V
  • High light-load efficiency in pulse skipping DEM operation
  • Programmable soft-start
  • Optional DEM/PWM operation
  • Optional CC/HICCUP OCP protection
  • Supports pre-bias output with soft-start
  • PGOOD indicator
  • OVP, OTP, and UVP protection
  • Back biased from output to improve efficiency

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
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74439370068
SPECWE-XHMI SMT Power Inductor, 6.8 µH, 25.3 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance6.8 µH
Performance Rated Current25.3 A
Saturation Current @ 30%40.05 A
DC Resistance4.1 mΩ
DC Resistance4.51 mΩ
Self Resonant Frequency14 MHz
MountSMT 
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