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Renesas ISL81805EVAL4Z
Dual-Phase Negative-to-Positive EVB with -36V to -60V Input Range, 28V 20A Output
Overview
| Topology | Boost Converter |
| Input voltage | 36-60 V |
| Output 1 | 28 V / 20 A |
| IC revision | 1.00 |
Description
he ISL81805EVAL4Z dual-phase negative-topositive voltage conversion evaluation board (shown in Figure 4) features the ISL81805: an 80V high voltage, dual synchronous boost controller that offers external soft-start and independent enable functions and integrates UV/OV/OC/OT protection. A programmable switching frequency ranging from 100kHz to 1MHz helps optimize the inductor size as the strong gate driver delivers up to 20A for the total output.
Features
- Negative-to-positive voltage conversion
- Wide input range: -36V to -60V
- Programmable soft-start
- Optional DEM/PWM operation
- Optional input/output constant current OCPprotection
- Supports pre-bias output with soft-start
- PGOOD indicator
- OVP, OTP, and UVP protection
Typical applications
- Telecommunications, Servers and data centers
- Industrial equipment
- Automotive electronics
- Power systems