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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-40 V |
| Switching frequency | 1000 kHz |
| IC revision | 1 |
Description
The AL8860EV2, Figure 1, is a double sided evaluation board for the AL8860 step-down, or ‘buck’, LED driver with internal switch. The evaluation board is preset to drive 1.5A into a single LED, or multiple LEDs, the maximum number of which depends on their total forward voltage drop and the supply voltage. (The maximum drive current of the AL8860 is 1.5A)
Features
- Low BOM Counts
- Wide Input Voltage Range: 4.5V to 40V
- Output Current up to 1.5A
- Internal 40V NDMOS Switch
- Typical 5% Output Current Accuracy
- Single Pin for On/Off and Brightness Control by DC Voltage or PWM Signal
- Recommended Analog Dimming Range: 5% ~100%
- Soft-Start
- High Efficiency (Up to 97%)
- LED Short Protection
- Inherent Open-Circuit LED Protection
- Over Temperature Protection (OTP)
- Up to 1MHz Switching Frequency
- Pb-free TSOT25 and MSOP-8EP Packages
Typical applications
- External Driver with Multiple Channels
- LED Retrofit for Low Voltage Halogen / LED Backlighting / Low Voltage Industrial Lighting / Illuminated Signs
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 22 µH, 6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance22 µH | Performance Rated Current6 A | Saturation Current3.7 A | DC Resistance36 mΩ | Self Resonant Frequency13.5 MHz | Size1260 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 33 µH, 4.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance33 µH | Performance Rated Current4.6 A | Saturation Current3 A | DC Resistance57 mΩ | Self Resonant Frequency11 MHz | Size1260 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 47 µH, 4.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance47 µH | Performance Rated Current4.1 A | Saturation Current2.6 A | DC Resistance77 mΩ | Self Resonant Frequency9.2 MHz | Size1260 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 68 µH, 3.55 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance68 µH | Performance Rated Current3.55 A | Saturation Current2.2 A | DC Resistance105 mΩ | Self Resonant Frequency7.6 MHz | Size1260 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 100 µH, 2.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance100 µH | Performance Rated Current2.8 A | Saturation Current1.7 A | DC Resistance160 mΩ | Self Resonant Frequency6.6 MHz | Size1260 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 150 µH, 2.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance150 µH | Performance Rated Current2.3 A | Saturation Current1.45 A | DC Resistance220 mΩ | Self Resonant Frequency4.4 MHz | Size1260 | VersionStandard | ||||
| WE-PD SMT Power Inductor, 220 µH, 1.85 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance220 µH | Performance Rated Current1.85 A | Saturation Current1.2 A | DC Resistance340 mΩ | Self Resonant Frequency3.8 MHz | Size1260 | VersionStandard |