Overview
Description
The ISL81805EVAL2Z dual-output evaluation board features the ISL81805, an 80V high voltage dual synchronous boost 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 3A for Channel 1 and 5A for Channel 2.
Features
- Wide input range: 9V to 36V for 48V output, 9V to 20V for 24V output
- 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 external to improve efficiency
- Optional input/output average OCP
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