GCLM317L ETL | Alldatasheet

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Technical content

Features

&Output voltage adjustable from 1.25V to 37V &Output current in excess of 100mA &Thermal overload protection &Short circuit protection &Output transistor save area compensation &Floating operation for high voltage applications Package Dimensions A 4.45 4.7 D 4.44 4.7 S1 1.02 - E 3.30 3.81 b 0.36 0.51 L 12.70 - b1 0.36 0.76 e1 1.150 1.390 C 0.36 0.51 e 2.42 2.66 Block Diagram Test Circuit GCLM317L L e1 b e S E A T IN G P L A N E A D C S 1 E TO-92

GCLM317L Page: 2/3 ISSUED DATE :2006/02/17 REVISED DATE : Absolute Maximum Ratings at Ta = 25:::: Parameter Symbol Ratings Unit Input-Output Voltage Difference VIN - VOUT 40 V Power Dissipation PD 625 mW Junction Temperature TJ +125 : Operating Junction Temperature TOPR 0 ~ +70 : Storage Temperature Range TSTR -40 ~ +150 : Note 1. Absolute maximum ratings are those values beyond witch the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. The device is guaranteed to meet performance specification within 0:‡~ 70: operating temperature range and assured by design

Electrical Characteristics

(VIN - VOUT=5V, 0: TJ 125 ,: IO=40mA, unless otherwise specified) Parameter Symbol Test Conditions Min TYP Max Unit Line Regulation REGLINE VIN -VOUT=3~40V IO<20mA 0: TJ 125: - 0.02 0.07 %/V TJ=25: - 5 25 IO=5~100mA VOUT 5V 0: TJ 125: - 20 70 mV TJ=25: - 0.1 0.5 Load Regulation REGLOAD IO=5~100mA VOUT 5V 0: TJ 125: - 0.3 1.5 %/VOUT Adjustable Pin Current IADJ - 50 100 A Adjustable Pin Current Change IADJ VIN -VOUT=3~40V IO=5~100mA, PD < 625mW - 0.2 5 A Reference Voltage VREF VIN -VOUT=3~40V IO=5~100mA, PD < 625mW 1.2 1.25 1.3 V Output Voltage Temperature Stability VOUT/VOUT - 0.7 - % Minimum Load Current ILOAD(Min) VIN -VOUT=40V - 3.5 5 mA VIN -VOUT=3~13V 100 200 Maximum Output Current IOUT(Max) VIN -VOUT=40V 25 50 - mA Output Noise Voltage (% of VOUT) eN f=10Hz ~ 10KHz, TJ=25: - 0.003 - %/VOUT CADJ=0 - 65 - Ripple Rejection RR TJ=25:, f=120Hz CADJ=10uF 66 80 - dB Note: CADJ is connected between Adjust pin and Ground. Characteristics Curve

GCLM317L Page: 3/3 ISSUED DATE :2006/02/17 REVISED DATE : Application Information and Circuits The GCLM317L provides an internal reference voltage of 1.25V between the output and adjustments terminals. This is used to set a constant current flow across an external resistor driver, giving an output voltage VOUT of: VOUT = VREF * (1 + R2 / R1) + IADJ * R2 The device is designed to minimize the term IADJ (100uA max) and to maintain it very constant with line and load charges. Usually, the error term IADJ*R2 can be neglected. To obtain the previous requirement, all the regulator quiescent current is returned to the output terminal, imposing a minimum load current condition. If the load is insufficient, the output voltage will rise. The GCLM317L is a floating regulator, input-output differential voltage, supplies of very high voltage with respect to ground can be regulated as long as the maximum input-output differential is not exceeded. Furthermore, programmable regulators are easily obtainable and, by connecting a fixed resistor between the adjustment and output, the device can be used as a precision current regulator. 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 Fig 1. Basic Adjustable Regulator Fig 2. Voltage Regulator with Protection Diodes Fig 3. Slow Turn-On 15V Regulator Fig 4. 5V Electronic Shut-Down Regulator GCLM317L GCLM317L GCLM317L GCLM317L