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Overview
| Topology | Boost Converter |
| Input voltage | 36-80 V |
| Output 1 | 12 V / 20 A |
| Output 2 | 5 V / 20 A |
| IC revision | 1.00 |
Description
The ISL81805EVAL3Z dual-output evaluation board,with negative-to-positive voltage conversion (shown in Figure 4) features the ISL81805, which is an 80Vhigh voltage, dual synchronous boost controller that offers external soft-start and independent enable functions and integrates UV/OV/OC/OT protection. Aprogrammable switching frequency ranging from 100kHz to 1MHz helps optimize the inductor size as the strong gate driver delivers up to 20A for each 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
- Automotive electronics
- Power system
- Telecommunication, Server and data center
- Industrial equipment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443640470 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCF SMT High Current Inductor | 4.7 | 34.95 | 70 | 78 | 2.64 | 20 | ||
| 7443640680 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCF SMT High Current Inductor | 6.8 | 34.95 | 49.8 | 55 | 2.64 | 17 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443640470 | SPEC | |
| 7443640680 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Samples |
|---|