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LM3481MMX/NOPB Breakout
IC CONTROLLER BOOST/SEPIC/FLYBACK 1MHZ 10VSSOP
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High-efficiency PWM controller for boost, SEPIC, and flyback DC/DC converters with low-side N-FET drive. Features 100kHz to 1MHz adjustable switching frequency, 1A peak driver current, current-mode control with programmable limits, and 2.97V to 48V input range. Includes thermal shutdown, soft start, and pulse-skipping for light-load efficiency.
Package: MSOP-10 (P0.5mm) · 10 pins
Why does this need a breakout?
The 0.5mm pin pitch makes hand soldering impractical without specialized equipment, and the tiny 3x3mm footprint cannot connect directly to breadboards. A breakout board brings these pins to standard 0.1-inch spacing, enabling rapid prototyping of analog-to-digital converters, boost controllers, and audio switches without reflow soldering or custom PCBs.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | LM3481MMX/NOPB |
| Package | MSOP-10 (P0.5mm) |
| Pin Count | 10 |
| Frequency - Switching | 100kHz ~ 1MHz |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Type | Transistor Driver |
| Topology | Boost, Flyback, SEPIC |
| Voltage - Supply (Vcc/Vdd) | 2.97V ~ 48V |
What's Included
BILL OF MATERIALS
- 1x LM3481MMX/NOPB 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