器件名称: LM317LM
功能描述: 3-Terminal 0.1A Positive Adjustable Regulator
文件大小: 46.23KB 共8页
简 介: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 Vadj
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 VO ≤ 5V VO ≥5V 10mA ≤ IO ≤ 100mA VO ≤ 5V VO ≥ 5V 3V ≤ VI - VO ≤ 40V 10mA ≤ IO ≤ 100mA PD < PDMAX 3V < VI - VO <40V 10mA ≤ IO ≤100mA PD ≤ PDMAX V……