Texas Instruments LM317L
The LM317L is an adjustable, 3-terminal, positivevoltage regulator capable of supplying up to 100 mA over an output-voltage range of 1.25V to 37V. The device is exceptionally easy to use and requires only two external resistors to set the output voltage. For the legacy chip, the LM317LC series is characterized for the junction temperature range of 0°C to +125°C and the LM317LI device is characterized for the operating junction temperature range of –40°C to +125°C.FEATURES
● Output voltage range (VO): – Adjustable 1.25V to 37V (for new chip) – Adjustable 1.25V to 32V (for legacy chip)● Output current: Up to 100mA
● Accuracy: – Input regulation typically 0.01% per input voltage change – Output regulation typically 0.5%
● Ripple rejection typically: – 80 dB at 120Hz – 65 dB at 100kHz
● For higher output current requirements, see LM317M (500mA) and LM317 (1.5A) 2
APPLICATIONS
● Electronic points of sale● Medical, health, and fitness applications
● Printers
● Appliances and white goods
● TV 3
DESCRIPTION
For the new chip, the both LM317LC and LM317LI series are characterized for the junction temperature range of –40°C to +125°C. Package Information PART NUMBER PACKAGE(1) PACKAGE SIZE(2) D (SOIC, 8) 4.9mm × 6mm LM317L LP (TO-92, 3) PK (SOT-89, 3) 4.8mm × 3.68mm 4.5mm × 4.095mm PW (TSSOP, 8) 3mm × 6.4mm (1) For more information, see the Mechanical, Packaging, and Orderable Information. (2) The package size (length × width) is a nominal value and includes pins, where applicable.