LM317M-TN3-0-R Unisonic Technologies Co., Ltd., LM317M-TN3-0-R Datasheet

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LM317M-TN3-0-R

Manufacturer Part Number
LM317M-TN3-0-R
Description
3-TERMINAL 0.5A POSITIVE ADJUSTABLE REGULATOR
Manufacturer
Unisonic Technologies Co., Ltd.
Datasheet
LM317M
3-TERMINAL 0.5A POSITIVE
ADJUSTABLE REGULATOR
regulator capable of supplying in excess of 500mA over an output
voltage range of 1.2V ~ 37V. This voltage regulator is exceptionally
easy to use and requires only two external resistors to set the output
voltage.
*Output Current in Excess of 0.5A
*Output Adjustable Between 1.2V and 37V
*Internal Thermal Overload Protection
*Internal Short Circuit Current Limiting
*Output Transistor Safe Area Compensation
*Floating Operation for High Voltage Applications
Note: Pin assignment: I:V
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
The UTC LM317M is a 3-terminal adjustable positive voltage
LM317ML-AA3-0-R
LM317M-AA3-0-R
LM317M-TN3-0-R
LM317M-TN3-0-T
LM317M-TA3-0-T
DESCRIPTION
FEATURES
ORDERING INFORMATION
Normal
UNISONIC TECHNOLOGIES CO., LTD
Order Number
IN
LM317ML-AA3-0-R
LM317ML-TN3-0-R
LM317ML-TA3-0-T
LM317ML-TN3-0-T
Lead Free Plating
(1)Packing Type
(2)Pin Assignment
(3)Package Type
(4)Lead Plating
O:V
OUT
A:ADJ
SOT-223
Package
TO-220
TO-252
TO-252
(1) R: Tape Reel, T: Tube
(2) refer to Pin Assignment
(3) AA3: SOT-223, TA3: TO-220, TN3: TO-252
(4) L: Lead Free Plating, Blank: Pb/Sn
A
A
1
A
A
LINEAR INTEGRATED CIRCUIT
Pin Assignment
*Pb-free plating product number: LM317ML
O
O
O
O
2
SOT-223
1 2
1
3
I
I
I
I
3
TO-220
Tape Reel
Tape Reel
Packing
Tube
Tube
1
2
3
TO-252
QW-R101-014,B
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LM317M-TN3-0-R Summary of contents

Page 1

... Short Circuit Current Limiting *Output Transistor Safe Area Compensation *Floating Operation for High Voltage Applications ORDERING INFORMATION Order Number Normal Lead Free Plating LM317M-AA3-0-R LM317ML-AA3-0-R LM317M-TA3-0-T LM317ML-TA3-0-T LM317M-TN3-0-R LM317ML-TN3-0-R LM317M-TN3-0-T LM317ML-TN3-0-T Note: Pin assignment: I:V O:V IN LM317ML-AA3-0-R (1)Packing Type (2)Pin Assignment (3)Package Type (4)Lead Plating www ...

Page 2

... LM317M BLOCK DIAGRAM Input 3 Voltage Reference 1 Vadj UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT + - Protection Circuitry Rlimit Output QW-R101-014,B ...

Page 3

... LM317M ABSOLUTE MAXIMUM RATINGS PARAMETER Input-Output Voltage Differential Power Dissipation Junction Temperature Operating Temperature Storage Temperature Note 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ...

Page 4

... D1 protects the device during an input short circuit Input Input UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw D1 1N4002 Vo UT UTC LM317M 120 V ADJ 1k PN2222A 720 MIN. Vo =1.25V UT Figure 1. 1.5V Electronic Shutdown Regulator Vo UT UTC LM317M 240 50K V ADJ PN2907A R2 Figure 2. Slow Turn-On Regulator UTC UT LM317M V ADJ I ADJ V 1.25V REF I ...

Page 5

... LM317M TYPICAL CHARACTERISTICS Minimum Load Current 0.5 0 Input-output Differential Voltage, V Adjustment Pin Current vs.Temperature =5V, Io =5mA IN OUT =1.25V =36V - Ambient Temperature, Ta (℃) Load Regulation vs. Temperature 1 =5V, Vo=1.25V IN OUT 0. 10mA≤I ≤ ...

Page 6

... LM317M TYPICAL CHARACTERISTICS(Cont.) Outputvoltage vs.Temperature 5.10 V OUT 5.09 5. =40V IN OUT 5.07 5.06 5. =3V IN OUT 5.03 5.02 5.01 5. -25 0 Ambient Temperature, Ta (℃) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein ...

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