FEATURES
Output current up to 1.5A Output Voltages 1.2V to 37V Input Regulation typ. 0.01% per input Output Regulation typ. 0.1% Peak Output Current Constant over Temperature Range of Regulator Available in TO-220 and TO-263 Packages Ripple Rejection Typically 80dB Direct replacements for LM317 DESCRIPTION
Further, it employs internal current limiting, thermal shutdown and safe area compensation, making it essentially blow-out proof. This device can also be used to make a programmable output regulator, or by connecting a fixed resistor between the adjustment and output. The GM317 can be used as a precise current regulator. TYPICAL APPLICATION VIN GM317 VIN ADJ VOUT VOUT R1 240W + C ** O 1µF CIN* 0.1µF IADJ R2 VOUT= 1.25V (1+ R2 ) + IADJR2 R1 Since IADJ is controlled to less than 100µA, the error associated with this term is negligible in most applications. PRELIMINARY GM317 V0.1 1 * CIN is required if regulator is located an appreciable distance from power supply filter. **CO is not needed for stability, however, it improve transient response.
Gamma Microelectronics
