G3ULM317 GTM

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Technical content

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 A 4.40 4.80 c2 1.25 1.45 b 0.76 1.00 b2 1.17 1.47 L4 0.00 0.30 B D 8.6 9.0 c 0.36 0.5 e 2.54 REF. L3 1.50 REF. L 14.6 15.8 L1 2.29 2.79 0˚ 8˚ E 9.80 10.4 L2 1.27 REF. Block Diagram Absolute Maximum Ratings at Ta = 25 :::: Parameter Symbol Ratings Unit Input-Output Voltage Difference Vi-Vo 40 V Load Temperature Tlead 230 : Power Dissipation PD Internal limited Operating Temperature Range Topr 0 ~ +125 : Storage Temperature Range Tstg -65 ~ +150 :

G3ULM317 Page: 2/3 ISSUED DATE :2005/12/20 REVISED DATE : Electrical Characteristics (Vi-Vo=5V, 0 <: Tj <125 ,: Io=500mA, IMax=1.5A, PMax=20W, unless otherwise specified) Parameter Symbol Test Conditions Min TYP Max Unit Ta=25:, 3V Vi-Vo 40V - 0.01 0.04 %/V Line Regulation Vo Ta=25: Vo 6V - 18 25 mV 10mA Io IMax Vo 5V - 0.4 0.5 %/Vo Vo 5V - 40 70 mV Load Regulation Vo 10mA Io IMax Vo 6V - 0.8 1.5 %/Vo Adjustable Pin Current IADJ - 46 100 A Adjustable Pin Current Change IADJ 2.5V Vi -Vo 40V, 10mA Io IMax, PD PMax - 2.0 5 A Reference Voltage VREF 3V Vi -Vo 40V, 10mA Io IMax, PD PMax 1.225 1.25 1.275 V Temperature Stability STT - 0.7 - %/Vo Minimum Load Current for Regulation IL(Min) Vi-Vo=40V - 3.5 10 mA Vi-Vo 15V, PD PMax 1.5 2.2 - Maximum Output Current Io(Max) Vi-Vo 15V, PD PMax Ta=25 : 0.15 0.4 - A RMS Noise v.s. % of Vout eN Ta=25:, 10Hz f 10KHz - 0.003 0.01 %/Vo Vo=10V, f=120Hz - 60 - Ripple Rejection RR Vo=10V, f=120Hz, Cadj=10F 66 75 - dB Long-term Stability, Tj=Thigh ST Ta=25 ,1000hr: - 0.3 1 % Junction to Case Thermal Resistance Rjc - - 5 - /W: *Note: Testing with low duty pulse should be used to avoid heating effect. Characteristics Curve

G3ULM317 Page: 3/3 ISSUED DATE :2005/12/20 REVISED DATE : Application Circuit 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: 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 G3ULM317 G3ULM317 G3ULM317