Details

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BUY LM337D2TG https://www.utsource.net/itm/p/12534377.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Output Voltage	Vout	Iout = 10mA	-1.2		-37	V
Line Regulation		Iout = 10mA to 50mA, Vin changes	0.005		0.02	%
Load Regulation		Iout = 10mA to 50mA	0.1		0.5	%
Dropout Voltage	Vdo	Iout = 1A	2.5	3.0	4.0	V
Supply Current	Is		2	8	15	mA
Thermal Resistance	θja	Free Air		65		°C/W

Instructions for LM337D2TG:

1. Circuit Configuration:

   • Connect the input voltage (Vin) to the "Input" pin.
   • Connect the output voltage (Vout) to the "Output" pin.
   • Ensure a proper heatsink is attached if operating near maximum power dissipation.

2. Capacitor Requirements:

   • Place an input capacitor (typically 0.33 μF) close to the input pin to stabilize the regulator.
   • An output capacitor (typically 1 μF) may be required for stability, especially with ceramic capacitors.

3. Adjustment Resistor:

   • For adjustable versions, connect a resistor between the output and adjustment pins to set the desired output voltage.

4. Heat Dissipation:

   • Calculate heat dissipation based on the load current and dropout voltage to ensure the device stays within safe operating temperatures.

5. Protection:

   • The device includes internal current limiting and thermal overload protection. Ensure these features are not frequently activated by designing the circuit to operate well below these limits.

6. Mounting:

   • Use appropriate mounting hardware for TO-220 package to ensure good thermal contact with the heatsink.

(For reference only)