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Alpha & Omega Semiconductor AOZ1948AI
Single Channel HV LED Driver IC ,Advanced Evaluation Board (subject to change)
Overview
| Topology | Buck Converter |
| Input voltage | 120 V |
| Output 1 | 0.25 A |
Description
The AOZ1948 evaluation board is a fully assembled and tested circuit board built with the AOZ1948 Buck regulator IC. It’s output is preset to drive 100V LED at 250mA of continuous or PWMed current. The evaluation board will operate from input voltage range from 115V to 190V.The AOZ1948-EVA circuit has features like current limit, short circuit protection, shorted LED and thermal shut down. It is an Off-Time controller that operates in Fully continuous conduction mode CCM for improved efficiency and low 1% dimming, it requires minimal amount of external components The AOZ1948 comes in SO-8 package and is rated over a -40°C to +85°C ambient temperature range.
Features
- 8V to 500V line supply voltage range
- 12V driving capability at Gate pin
- High Voltage input sensing
- 600mV feedback regulation (±2%)
- Cycle-by-cycle current limit
- Auto restart protection
- LED Short Protection
- Thermal shutdown
- SO-8 packageREMARKS:-AVAILABLE IN IC FOLDER
Typical applications
- LCD TV LED backlight
- LED general Lighting
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447471222 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TIS Radial Leaded Wire Wound Inductor | 2200 | 0.31 | 0.46 | 5700 | 0.74 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447471222 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples |
|---|