Maker : Fairchild Semiconductor
Part No. : LM317L

Datasheet PDF : LM317L.pdf
Cross Reference : LM317L Cross Reference
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Product Information

www.DataSheet4U.com 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 VI - VO = 40V VI - VO ≤ 15V, PD < PDMAX IO(MAX) VI - VO ≤ 40V PD < PDMAX, TA = +25°C TA =+ 25°C, 10Hz < f <10KHz VO = 10V, f = 120Hz without CADJ CADJ = 10uF TJ = +125 °C, 1000 Hours Min. Typ. 0.01 0.02 Max. 0.04 0.07 Unit %/V *Load Regulation Rloal 5 0.1 20 0.3 50 0.2 1.25 0.7 3.5 200 50 0.003 65 80 0.3 25 0.5 70 1.5 100 5 1.30 10 - mV %/ VO mV %/ VO µA µA V % mA mA - Adjustment Pin Current Adjustment Pin Current Change IADJ ∆IADJ Reference Voltage Temperature Stability Minimum Load Current to Maintain Regulation Maximum output Current VREF STT IL(MIN) 1.20 100 25 66 - RMS Noise, % of VOUT Ripple Rejection Long-Term Stability eN RR ST %/ VO dB % • Load and Line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. 2 LM317L Typical Application LM317L Input Output Figure 1. 5V Electronic Shutdown Regulator D1 protects the device during an input short circuit. Input LM317L Output Figure 2. Slow Turn-On Regulator Input LM317L Output Figure 3. Current Regulator 3 LM317L Mechanical Dimensions Package TO-92 4.58 –0.15 +0.25 0.46 14.47 ±0.40 ±0.10 4.58 ±0.20 1.27TYP [1.27 ±0.20] 3.60 ±0.20 1.27TYP [1.27 ±0.20] 0.38 –0.05 +0.10 3.86MAX 1.02 ±0.10 0.38 –0.05 +0.10 (R2.29) 4 (0.25) LM317L Mechanical Dimensions (Continued) Package 8-SOP MIN 1.55 ±0.20 0.061 ±0.008 0.1~0.25 0.004~0.001 #1 #8 4.92 ±0.20 0.194 ±0.008 5.13 MAX 0.202 ( 0.56 ) 0.022 #4 #5 6.00 ±0.30 0.236 ±0.012 +0.10 0.15 -0.05 +0.004 0.006 -0.002 1.80 MAX 0.071 MAX0.10 MAX0.004 3.95 ±0.20 0.156 ±0.008 5.72 0.225 0.50 ±0.20 0.020 ±0.008 0~ 8° 1.27 0.050 0.41 ±0.10 0.016 ±0.004 5 LM317L Ordering Information Product Number LM317LZ LM317LM Package TO-92 8-SOP Operating Temperature 0°C to + 125°C 6 LM317L 7 LM317L DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE...

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