CORPORATION ISSUED DATE :2005/12/20 REVISED DATE : G3ULM317 3 - T E R M I N A L 1 . 5 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 Description The G3ULM317 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 L4 c L3 L1 E Millimeter REF. Min. Max. 4.40 4.80 c2 0.76 1.00 b2 0.00 0.30 B D 0.36 0.5 e 1.50 REF. L 2.29 2.79 9.80 10.4 L2 Millimeter Min. Max. 1.25 1.45 1.17 1.47 8.6 9.0 2.54 REF. 14.6 15.8 0˚ 8˚ 1.27 REF. Block Diagram Absolute Maximum Ratings at Ta = 25 Parameter Symbol Ratings Unit V Input-Output Voltage Difference Vi-Vo 40 Load Temperature Tlead 230 Power Dissipation PD Internal limited Operating Temperature Range Topr 0 ~ +125 Storage Temperature Range Tstg -65 ~ +150 G3ULM317 Page: 1/3 CORPORATION Electrical Characteristics (Vi-Vo=5V, 0 Parameter Line Regulation < Tj <125 , Io=500mA, IMax=1.5A, PMax=20W, unless otherwise specified) Symbol Vo Test Conditions Ta=25 Ta=0~125 , 3V Vi-Vo , 3V Adjustable Pin Current Adjustable Pin Current Change Reference Voltage Temperature Stability Minimum Load Current for Regulation Vo Io IMax 10mA Io IMax 40V 40V IADJ VREF Io(Max) RMS Noise v.s. % of Vout eN Ripple Rejection RR Long-term Stability, Tj=Thigh ST Ta=25 %/V 0.07 %/V 25 mV 0.5 %/Vo Vo 5V - 40 70 mV Vo 6V - 0.8 1.5 %/Vo - 46 100 A - 2.0 5 A 1.225 1.25 1.275 V - 0.7 - %/Vo mA PMax 3.5 10 2.2 - 0.15 0.4 - A - 0.003 0.01 - 60 - Vo=10V, f=120Hz, Cadj=10 F 66 75 - - 0.3 1 % - 5 - /W R jc 10KHz 1.5 Vo=10V, f=120Hz Ta=25 f 0.04 18 PMax Ta=25 , 10Hz 0.01 0.02 0.4 Vi-Vo=40V Vi-Vo 15V, PD - STT Vi-Vo 15V, PD Unit - 3V Vi-Vo 40V, Io IMax, PD PMax IL(Min) Max Vo 6V 2.5V Vi-Vo 40V, 10mA Io IMax, PD PMax 10mA TYP Vo 5V IADJ Maximum Output Current Junction to Case Thermal Resistance 10mA Min Vi-Vo< Ta=25 Load Regulation ISSUED DATE :2005/12/20 REVISED DATE : ,1000hr - %/Vo dB *Note: Testing with low duty pulse should be used to avoid heating effect. Characteristics Curve G3ULM317 Page: 2/3 CORPORATION ISSUED DATE :2005/12/20 REVISED DATE : Application Circuit G3ULM317 G3ULM317 G3ULM317 G3ULM317 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 G3ULM317 Page: 3/3