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LM317AG-TN3-R on a board, in 3D

LM317AG-TN3-R

UTC

-40℃~+85℃ 1 1.2V~37V 1.5A 40V 5V@(500mA) 80dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

JLCPCB preferred
DatasheetJLCPCBLCSCutc/LM317AG-TN3-R
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
TO-252-2(DPAK)
Pins
3

Overview

The LM317AG-TN3-R is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by UTC in a TO-252-2(DPAK) package with 3 pins. -40℃~+85℃ 1 1.2V~37V 1.5A 40V 5V@(500mA) 80dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (JLCPCB-Power:LDO, 1-37V, 1.5A, from Cdfer) and its footprint (JLCPCB:TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL, from Cdfer), ready for a KiCad board. 25,379 are in stock at JLCPCB (part C75510). 6 open-source boards in 6 repositories on GitHub use it.

Symbol

ADJ1VIN3VOUT4
JLCPCB-Power:LDO, 1-37V, 1.5AFrom Cdfer

Footprint

1344444444444
JLCPCB:TO-252-2_L6.5-W6.1-P4.58-LS10.0-TLFrom Cdfer

From the datasheet

7
Works from
-40 °C · operating temperature, min · p. 3
Works up to
85 °C · operating temperature, max · p. 3
Junction, hottest
125 °C · junction temperature, absolute max · p. 3
Gives
1.5 A · rated output current · p. 1
Feedback reference
1.25 V · feedback reference voltage, typical · p. 3
Junction to air (TO-252)
103 K/W · junction to ambient · p. 3
Junction to case (TO-252)
12 K/W · junction to case · p. 3

What it is and has

5
Output voltage range
1.2V ~ 37V, adjustable · p. 1
Output current
In excess of 1.5A · p. 1
Protection
Internal thermal overload protection · p. 1
Protection
Internal short circuit current limiting · p. 1
Protection
Output transistor safe area compensation · p. 1

Specifications

19
ParameterConditionsAs printedPage
Input-Output Voltage Differential VIN-VOUTmax 40 V3
Junction Temperature TJmax 125 °C3
Operating Temperature TOPRmin -40 · max 85 °C3
Storage Temperature TSTGmin -65 · max 150 °C3
Junction to Ambient θJATO-252typ 103 °C/W3
Junction to Case θJCTO-252typ 12 °C/W3
Line Regulation ∆VOUT/VOUT3V≤VIN-VOUT≤40V, IOUT=100mA; TA=25°Ctyp 0.01 · max 0.04 %/V3
Load Regulation ∆VOUT10mA≤IOUT≤1.5A, VOUT≤5V; VIN-VOUT=5V, PMAX=20W, TA=25°Ctyp 5 · max 25 mV3
Load Regulation ∆VOUT10mA≤IOUT≤1.5A, VOUT≥5V; VIN-VOUT=5V, PMAX=20W, TA=25°Ctyp 0.1 · max 0.5 %3
Adjustable Pin Current IADJVIN-VOUT=5V, IOUT=0.5A, PMAX=20W, TA=25°Ctyp 50 · max 100 uA3
Adjustable Pin Current Change ∆IADJ3V≤VIN-VOUT≤40V, 10mA≤IOUT≤500mA; PMAX=20W, TA=25°Ctyp 0.2 · max 5 uA3
Reference Voltage VREF3V≤VIN-VOUT≤40V, 10mA≤IOUT≤1.5A, PD＜PMAX; PMAX=20W, TA=25°Cmin 1.2 · typ 1.25 · max 1.3 V3
Temperature StabilityTMIN≤TJ≤TMAX; VIN-VOUT=5V, IOUT=0.5A, PMAX=20Wtyp 0.7 %/VOUT3
Minimum Load Current for Regulation IL(MIN)VIN-VOUT=40V; PMAX=20W, TA=25°Cmax 4.5 mA3
Maximum Output Current IO(MAX)VIN-VOUT=40V, PD≤PMAX; PMAX=20W, TA=25°Cmin 0.3 · typ 0.4 A3
Maximum Output Current IO(MAX)VIN-VOUT=15V, PD＜PMAX; PMAX=20W, TA=25°Cmin 1.5 · typ 2.2 A3
RMS Noise vs. %of VOUT eN10HZ≤f≤10KHZ; VIN-VOUT=5V, IOUT=0.5A, PMAX=20W, TA=25°Ctyp 0.003 %/VOUT3
Ripple Rejection RRVOUT=10V,f=120HZ, CADJ=0; VIN-VOUT=5V, IOUT=0.5A, PMAX=20W, TA=25°Ctyp 65 dB3
Ripple Rejection RRVOUT=10V,f=120HZ, CADJ=10uF; VIN-VOUT=5V, IOUT=0.5A, PMAX=20W, TA=25°Cmin 66 · typ 80 dB3

Pins, by the datasheet

3
1 ADJ
Adjustment pin. · p. 1
2 O
VOUT. · p. 1
3 I
VIN. · p. 1

Ordering codes, by the datasheet

15
LM317AG-AA3-R
SOT-223 · Halogen Free; Tape Reel · p. 1
LM317AL-TA3-T
TO-220 · Lead Free; Tube · p. 1
LM317AG-TA3-T
TO-220 · Halogen Free; Tube · p. 1
LM317AL-TF2-T
TO-220F2 · Lead Free; Tube · p. 1
LM317AG-TF2-T
TO-220F2 · Halogen Free; Tube · p. 1
LM317AL-TN3-R
TO-252 · Lead Free; Tape Reel · p. 1
LM317AG-TN3-R
TO-252 · Halogen Free; Tape Reel · p. 1
LM317AL-TQ2-R
TO-263 · Lead Free; Tape Reel · p. 1
LM317AG-TQ2-R
TO-263 · Halogen Free; Tape Reel · p. 1
LM317AL-TQ2-T
TO-263 · Lead Free; Tube · p. 1
LM317AG-TQ2-T
TO-263 · Halogen Free; Tube · p. 1
LM317AL-TQ3-R
TO-263-3 · Lead Free; Tape Reel · p. 1
LM317AG-TQ3-R
TO-263-3 · Halogen Free; Tape Reel · p. 1
LM317AL-TQ3-T
TO-263-3 · Lead Free; Tube · p. 1
LM317AG-TQ3-T
TO-263-3 · Halogen Free; Tube · p. 1

Parameters

17
Dropout Voltage
5V@(500mA)
Features
Short Circuit Protection
Junction Temperature(Max)
125℃
Maximum Input Voltage
40V
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Configuration
Positive
Output Current
1.5A
Output Polarity
Positive
Output Type
Adjustable
Output Voltage
1.2V~37V
Power Supply Rejection Ratio (PSRR)
80dB@(120Hz)
Reference Voltage
1.25V
Thermal Resistance(Junction to Ambient)
103℃/W
Thermal Resistance(Junction to Case)
12℃/W
Voltage - Supply
40V
Voltage Dropout
5V@(500mA)

Order codes

1

Pinout

3
The pins of the LM317AG-TN3-R
PinNameType
1ADJUnspecified
3VINUnspecified
4VOUTUnspecified

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Questions

Is there a KiCad symbol and footprint for the LM317AG-TN3-R?

Yes. The symbol is JLCPCB-Power:LDO, 1-37V, 1.5A and the footprint JLCPCB:TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM317AG-TN3-R?

TO-252-2(DPAK), with 3 pins. Its footprint is drawn on this page.

Where is the LM317AG-TN3-R datasheet?

UTC publishes it: the Datasheet link on this page opens it.

Where can I order the LM317AG-TN3-R?

JLCPCB lists it as part C75510, with 25,379 in stock; the sellers' links on this page open their listings.

Which open-source boards use the LM317AG-TN3-R?

6 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.