LM317L

www.fairchildsemi.com LM317L 3-Terminal 0.1A Positive Adjustable Regulator Features • • • • • • Output Current in Excess of 100mA Output Adjustable Between 1.2V and 37V Internal Thermal Overload Protection Internal Short Circuit Current Limiting Output Transistor Safe Area Compensation Floating Operation For High Voltage Applications Description The LM317L is a 3-terminal adjustable positive voltage regulator capable of supplying in excess of 100mA over an output voltage range of 1 .2V to 37V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. TO-92 1 1. Adj 2. Output 3. Input 8-SOP 1 1. Input 2.3.6.7. Output 4. Adj 5.8. NC Internal Block Diagram Vin Input 3 + - Voltage Reference Protection Circuitry Rlimit 2 Vo Output 1 Vad j Rev. 1.0.2 ©2002 Fairchild Semiconductor Corporation LM317L Absolute Maximum Ratings Parameter Input-Output Voltage Differential Power Dissipation Operating Junction Temperature Range Storage Temperature Range Symbol VI - VO PD Tj TSTG Value 40 Internally limited 0 ~ +125 -65 ~+125 Unit V W °C °C Electrical Characteristics (VI - VO = 5V, IO = 40mA, 0°C ≤ TJ ≤ +125°C, PDMAX = 625mW, unless otherwise specified) Parameter *Line Regulation Symbol Rline Conditions TA = +25°C 3V ≤ VI − VO ≤ 40V 3V ≤ VI − VO ≤ 40V TA = +25°C 10mA ≤ IO ≤100mA V O ≤ 5V VO ≥5V 10mA ≤ IO ≤ 100mA V O ≤ 5V V O ≥ 5V 3V ≤ VI - VO ≤ 40V 10mA ≤ IO ≤ 100mA PD < PDMAX 3V < VI - VO