Yeeco LM317 LM337 Linear Adjustable Power Supply DC DC ±3 30V to ±125 30V Variable Volt Buck Converter Step Down Voltage Regulator Converter Module Board with Power Switch

Parameter Model name: LM317 LM337 linear adjustable positive negative power supply Power supply range: ±3V~±40V Output voltage range: LM317 is DC 1.25~37V LM337 is DC -1.25~-37V Output current range: 5mA~1A Load current: 0.4~2.2A Output power supply ripple: <10mV Using environment temperature: -10~+85? Storage environment temperature: -65~+150? Note: 1. The chips' interior has circuits of over-temperature, over-current and short-circuit protection; 2. Decrease the load if the voltage different is too big and the temperature is too high; 3. Adjustable output voltage can be adjusted to 1.2V. Package include: 1xPower Converter Board