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| CORPORATION GULM317 ISSUED DATE :2005/12/20 REVISED DATE : 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 The GULM317 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. Description 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 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 : : Unit V : GULM317 Page: 1/3 CORPORATION Electrical Characteristics (Vi-Vo=5V, 0 : Parameter Line Regulation Symbol Vo Test Conditions Ta=25 : , 3V Ta=0~125 : , 3V Ta=25 : Load Regulation Vo 10mA 10mA Adjustable Pin Current Adjustable Pin Current Change 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 IADJ IADJ VREF STT IL(Min) Io(Max) eN RR ST R jc Vi-Vo=40V Vi-Vo 15V, PD Vi-Vo 15V, PD Ta=25 : , 10Hz f PMax 10KHz PMax Ta=25 : 2.5V Vi-Vo 40V, 10mA Io IMax, PD PMax 10mA 3V Vi-Vo 40V, Io IMax, PD PMax Io IMax Io IMax Vi-Vo 40V 40V Vi-Vo< Min - ISSUED DATE :2005/12/20 REVISED DATE : < Tj <125 : , Io=500mA, IMax=1.5A, PMax=20W, unless otherwise specified) TYP 0.01 0.02 18 0.4 40 0.8 46 2.0 1.25 0.7 3.5 2.2 0.4 0.003 60 75 0.3 5 Max 0.04 0.07 25 0.5 70 1.5 100 5 1.275 10 0.01 1 Unit %/V %/V mV %/Vo mV %/Vo A A V %/Vo mA A %/Vo dB % : /W Vo 6V Vo 5V Vo 5V Vo 6V 1.225 1.5 0.15 66 - Vo=10V, f=120Hz Vo=10V, f=120Hz, Cadj=10 F Ta=25 : ,1000hr - *Note: Testing with low duty pulse should be used to avoid heating effect. Characteristics Curve GULM317 Page: 2/3 CORPORATION Application Circuit GULM317 GULM317 ISSUED DATE :2005/12/20 REVISED DATE : GULM317 GULM317 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 GULM317 Page: 3/3 |
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