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LM317MDCY Datasheet

  • LM317MDCY

  • 3-TERMINAL ADJUSTABLE REGULATOR

  • 183.04KB

  • 11頁

  • TI

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LM317M
3-TERMINAL ADJUSTABLE REGULATOR
www.ti.com
SLVS297M 鈥?APRIL 2000 鈥?REVISED OCTOBER 2005
FEATURES
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Output Voltage Range Adjustable From 1.25 V
to 37 V
Output Current Greater Than 500 mA
Internal Short-Circuit Current Limiting
Thermal-Overload Protection
Output Safe-Area Compensation
Q Devices Meet Automotive Performance
Requirements
Customer-Specific Configuration Control Can
Be Supported for Q Devices Along With
Major-Change Approval
OUTPUT
KTP PACKAGE
(TOP VIEW)
INPUT
ADJUST
DCY PACKAGE
(TOP VIEW)
INPUT
OUTPUT
OUTPUT
ADJUST
DESCRIPTION/ORDERING INFORMATION
The LM317M is an adjustable 3-terminal positive-voltage regulator capable of supplying more than 500 mA over
an output-voltage range of 1.25 V to 37 V. The LM317M is exceptionally easy to use and requires only two
external resistors to set the output voltage. Furthermore, both line and load regulation are better than standard
fixed regulators.
In addition to having higher performance than fixed regulators, the device includes on-chip current limiting,
thermal-overload protection, and safe-operating-area protection. All overload protection remains fully functional if
the ADJUST terminal is disconnected.
Normally, no capacitors are needed unless the device is more than six inches from the input filter capacitors, in
which case an input bypass capacitor is needed. An optional output capacitor can be added to improve transient
response. The ADJUST terminal can be bypassed to achieve high ripple-rejection ratios, which are difficult to
achieve with standard three-terminal regulators.
ORDERING INFORMATION
T
J
0擄C to 125擄C
PACKAGE
(1)
PowerFLEX鈩?鈥?KTP
SOT 鈥?DCY
PowerFLEX 鈥?KTP
鈥?0擄C to 125擄C
SOT 鈥?DCY
Reel of 2000
Tube of 80
Reel of 2500
Reel of 2000
Reel of 2500
ORDERABLE PART NUMBER
LM317MKTPR
LM317MDCY
LM317MDCYR
LM317MQKTPR
LM317MQDCYR
LM317MQDCYRG3
TOP-SIDE MARKING
LM317M
L4
317MQ
L5
L8
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerFLEX is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2000鈥?005, Texas Instruments Incorporated

LM317MDCY 產(chǎn)品屬性

  • 80

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，可調(diào)式

  • 1.25 V ~ 37 V

  • 4.2 V ~ 40 V

  • -

  • 1

  • 500mA（最小值）

  • 0°C ~ 125°C

  • 表面貼裝

  • TO-261-4，TO-261AA

  • SOT-223-4

  • 管件

  • 296-26095-5LM317MDCY-ND

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