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L7986ATR Breakout
IC REG BUCK ADJ 3A 38V 8HSOP
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£5.35
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Design a Custom BoardAbout This Component
Step-down switching regulator with integrated 3.7 A MOSFET delivering up to 3 A output current from 4.5–38 V input. Output voltage adjustable from 0.6 V to VIN with 250 kHz base frequency (programmable to 1 MHz). Features soft-start, enable control, overcurrent/thermal protection, and minimal external components. Suited for consumer, industrial, networking, and computer applications.
Package: HSOP-8-1EP (3.9×4.9mm, EP) · 8 pins
Why does this need a breakout?
8-pin SOIC with exposed pad is difficult to hand-solder reliably due to tight 1.27mm pitch and thermal management requirements. A breakout board brings pins to standard 0.1" spacing for breadboard prototyping while providing proper pad routing and thermal dissipation for audio amplifiers and gate drivers.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | STMicroelectronics |
| Part Number | L7986ATR |
| Package | HSOP-8-1EP (3.9×4.9mm, EP) |
| Pin Count | 8 |
| Current - Output | 3A |
| Frequency - Switching | 250kHz ~ 1MHz |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Topology | Buck |
| Voltage - Input (Max) | 38V |
| Voltage - Input (Min) | 4.5V |
What's Included
BILL OF MATERIALS
- 1x L7986ATR soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS