參數(shù)資料
型號: GMLM317L
廠商: GTM CORPORATION
英文描述: 100mA ADJUSTABLE VOLTAGE REGULATOR
中文描述: 100mA的可調(diào)電壓調(diào)節(jié)器
文件頁數(shù): 3/3頁
文件大小: 217K
代理商: GMLM317L
CORPORATION
GMLM317L
Page: 3/3
ISSUED DATE :2006/02/17
REVISED DATE :
Application Information and Circuits
The GMLM317L 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 GMLM317L 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:
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
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
GMLM317L
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