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| CORPORATION GELM 317 Description ISSUED DATE :2004/07/30 REVISED DATE : 3 - T E R M I N A L 1 A P O S I T I V E A D J U S T A B L E V O L T A G E R E G U L AT O R The GELM317 is an adjustable 3-termial positive voltage regulator, designed to supply more than 1.5A of output current with voltage adjustable from 1.3 to 37V. Features *Output current up to 1.5A. *Output voltage adjustable from 1.3V to 37V. *Internal short circuit protection. *Internal over temperature protection. *Safe-Area compensation for output transistor. Package Dimensions REF. A b c D E L4 L5 Millimeter Min. Max. 4.40 4.80 0.76 1.0 0.36 0.50 8.60 9.00 9.80 10.4 14.7 15.3 6.20 6.60 REF. c1 b1 L e L1 O A1 Millimeter Min. Max. 1.25 1.45 1.17 1.47 13.25 14.25 2.54 REF. 2.60 2.89 3.71 3.96 2.60 2.80 1/4 CORPORATION Absolute Maximum Ratings at Ta = 25 : Parameter Input-Output Voltage Difference Load Temperature Power Dissipation Operating Temperature Range Storage Temperature Range Symbol Vi-Vo TLEAD PD TOPR TSTG Ratings 40 230 Internal limited 0~125 -65 ~ 150 ISSUED DATE :2004/07/30 REVISED DATE : Unit V Electrical Characteristics (VI-VO=5V,0 PARAMETER Line Regulation Load Regulation Symbol VO VO Test Conditions Ta=25 ,3V<=VI-VO=40V Ta=0-125 ,3v<=VI-VO<=40V Ta=25 10mA<=IO<=IMAX 10mA<=IO<=IMAX VO<=6V VO>=5V VO<=5V VO>=6V TYPE Max. 0.01 0.02 18 0.4 40 0.8 46 2.0 1.20 1.25 0.7 VI-VO=40V VI-VO<=15V,PD<=PMAX VI-VO<=15V,PD<=PMAX,Ta=25 TA=25 ,10HZ<=f<=10KHZ VO=10V,f=120HZ, VO=10V,f=120HZ,CADJ=10uF 66 TA=25 ,1000hr 1.5 0.15 3.5 2.2 0.4 0.003 60 75 0.3 5 1 % /W 0.01 %/VO dB 10 0.04 0.07 25 0.5 70 1.5 100 5 1.30 UNIT %V %V mV %/VO mV %VO uA uA V %/VO mA A ,IO=500mA,IMAX=1.5A,PMAX=20W,unless otherwise specified Adjustable Pin Current Adjustable Pin Current Change IADJ IADJ 2.5V<=VI-VO<=40V ,10mA<=IO<=IMAX,PD<=PMAX 3V<=VI-VO<=40V, 10mA<=IO<=IMAX,PD<=PMAX STT IL(MIN) IO(MAX) eN RR ST R JC Reference Voltage Temperature Stability Minimum Load Current for Regulation Maximum Output Current RMS Noise v.s.%of Vout Ripple Rejection Long-term Stability,TJ=THIGH Junction to Case Thermal Resistance *Note: Testing with low duty pulse should be used to avoid heating effect. 2/4 CORPORATION Characteristics Curve ISSUED DATE :2004/07/30 REVISED DATE : 3/4 CORPORATION Application Circuit ISSUED DATE :2004/07/30 REVISED DATE : GELM317 Important Notice: All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of GTM. GTM reserves the right to make changes to its products without notice. GTM semiconductor products are not warranted to be suitable for use in life-support Applications, or systems. GTM assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. Head Office And Factory: Taiwan: No. 17-1 Tatung Rd. Fu Kou Hsin-Chu Industrial Park, Hsin-Chu, Taiwan, R. O. C. TEL : 886-3-597-7061 FAX : 886-3-597-9220, 597-0785 China: (201203) No.255, Jang-Jiang Tsai-Lueng RD. , Pu-Dung-Hsin District, Shang-Hai City, China TEL : 86-21-5895-7671 ~ 4 FAX : 86-21-38950165 4/4 |
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