This module can be used to convert a higher DC voltage to a lower DC voltage with high efficiency and low ripple. The output voltage can be adjusted by turning the on-board potentiometer, and the output current can reach up to 3A with proper heat dissipation. The module also features a low power standby mode, thermal shutdown and current-limit protection, and an input reverse polarity protection diode.
Features:
- Adjustable output voltage from 1.3V to 35V
- Input voltage range from 4V to 40V
- Output current up to 3A (additional heat sink is required for higher current)
- Low power standby mode, typically 80 μA
- Thermal shutdown and current-limit protection
- Input reverse polarity protection diode
- Requires only four external components
- Uses standard inductors
- Fixed-frequency internal oscillator at 150 kHz
- TTL shutdown capability
Specifications:
- Model: LM2596
- Input voltage: 4V - 40V DC
- Output voltage: 1.3V - 35V DC (adjustable)
- Output current: 2A, max 3A (additional heat sink is required)
- Conversion efficiency: up to 92%
- Switching frequency: 150 kHz
- Output ripple: <30 mV
- Load regulation: ±0.5%
- Voltage regulation: ±2.5%
- Operating temperature: -40°C to +85°C
- Size: 43mm x 20mm x 15mm
- Weight: 12g
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