LM317 LM337 adjustable positive and negative linear regulated power supply with low ripple
There are two types of products : LM317 and LM337 two power supply, the time of purchase , please leave a message instructions.



LM317 features and parameters
Output voltage : 1.25-37V DC;
Output current : 5mA-1.5A;
Chip has overheated, over-current, short circuit protection ;
Maximum input - output voltage differential : 40V DC,
The minimum input - output voltage differential : 3V DC;
Ambient temperature : -10 ~ + 85 .
Storage temperature : -65 ~ + 150 .
Adjustable output voltage as low as 1.2V.
Ensure 1.5A output current.
Typical linear adjustment rate of 0.01% .
0.1% typical load regulation .
80dB ripple rejection ratio.
Output short circuit protection.
Overcurrent, overtemperature protection.
Regulator safe operating area protection.
Standard three-terminal transistor package .
LM317 1.25V to 37V voltage range continuously adjustable
LM337 features and parameters
Output voltage : -1.2V ~ -37V
Load current : 0.4 ~ 2.2A
It \'s very simple to use , only two external resistors to set the output voltage.
In addition to its line regulation and load regulation are better than standard fixed regulators.
There are several built-in protection circuit LM337 overload protection, safe area protection.
Typical linear adjustment rate of 0.01% .
0.1% typical load regulation .
80dB ripple rejection ratio.
Output short circuit protection.
Overcurrent, overtemperature protection.
Regulator safe operating area protection.
The minimum differential input and output dropped to 0.2V
