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ISSI IS32LT3957 | Demoboard IS32LT3957 Buck_Boost DEMO
HIGH VOLTAGE LED LIGHTING DRIVER FOR BUCK-BOOST, BOOST TOPOLOGY
Overview
| Topology | Buck-Boost Converter |
| Input voltage | 9-26 V |
| Switching frequency | 100-1000 kHz |
| Output 1 | 28 V / 1.2 A |
| IC revision | 1B |
Description
IS32LT3957 Buck_Boost DEMO BOMInput: DC9-26V, Output: 9 LED in series/1.2ARev.01B, 05/20/2017
Features
- Wide voltage: VCC up to 75V
- Boost or buck-boost operation
- Easy dimming: Analog or PWM
- Output over voltage protection (OVP)
- Internal soft start to avoid inrush current
- Current mode PWM with an external sync feature
- Output short circuit protection
- VCC under voltage lock out
- Over temperature protection (OTP)
- AEC-Q100 (Pending)
Typical applications
- Automotive
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447709220 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 22 | 6.5 | 8 | 5.3 | 7 | 28 | 10 | 1210 | Standard |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447709220 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples |
|---|