IC REG POS 0.5A ADJ VOLT DPAK

LM317MDTX

Manufacturer Part NumberLM317MDTX
DescriptionIC REG POS 0.5A ADJ VOLT DPAK
ManufacturerFairchild Semiconductor
LM317MDTX datasheet
 


Specifications of LM317MDTX

Regulator TopologyPositive AdjustableVoltage - Output1.2 ~ 37 V
Voltage - InputUp to 40VNumber Of Regulators1
Current - Output500mA (Max)Operating Temperature0°C ~ 125°C
Mounting TypeSurface MountPackage / CaseTO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
PolarityPositiveNumber Of Outputs1
Output TypeAdjustableOutput Voltage1.2 V to 37 V
Output Current100 mALine Regulation0.04 % / V
Load Regulation0.5 % / VInput Voltage Max40 V
Maximum Operating Temperature+ 125 CMinimum Operating Temperature0 C
Mounting StyleSMD/SMTReference Voltage1.3 V
Primary Input Voltage40VOutput Voltage Adjustable Range1.2V To 37V
No. Of Outputs1No. Of Pins2
Operating Temperature Range0°C To +125°CFilter TerminalsSMD
Rohs CompliantYesCurrent Rating0.5A
Lead Free Status / RoHS StatusLead free / RoHS CompliantVoltage - Dropout (typical)-
Current - Limit (min)-Other namesLM317MDTXFS
LM317MDTXFS
LM317MDTXFSTR
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LM317M
3-Terminal 0.5A Positive Adjustable Regulator
Features
• 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
Internal Block Diagram
V in
3
Input
©2011 Fairchild Semiconductor Corporation
Description
The LM317M is a 3-terminal adjustable positive voltage
regulator capable of supplying in excess of 500mA over an
output voltage range of 1.2V to 37V. This voltage regulator
is exceptionally easy to use and requires only two external
resistors to set the output voltage.
D-PAK
1. Adj 2. Output 3. Input
TO-220
1
+
-
P rote ction
V olta ge
Circ uitry
Re fe re nce
1
V ad j
www.fairchildsemi.com
2
1
3
2
3
R lim it
2
V o
Output
Rev. 1.0.4

LM317MDTX Summary of contents

  • Page 1

    ... Floating Operation for High Voltage Applications Internal Block Diagram Input ©2011 Fairchild Semiconductor Corporation Description The LM317M is a 3-terminal adjustable positive voltage regulator capable of supplying in excess of 500mA over an output voltage range of 1.2V to 37V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage ...

  • Page 2

    LM317M Absolute Maximum Ratings Parameter Input-Output Voltage Differential Power Dissipation Thermal Resistance Junction-Case (TO-220) Thermal Resistance Junction-Air (TO-220) Thermal Resistance Junction-Air (D-PAK (Note1,2)) Operating Junction Temperature Range Storage Temperature Range Electrical Characteristics = 0.1A, 0°C ≤ ...

  • Page 3

    Typical Performance Characteristics Figure 1. Minimum Load Current Figure 3. Adjustment Pin Current vs. Temperature Figure 5. Load Regulation vs. Temperature Figure 2. Peak Output Current vs. Input-Output Differential Voltage Figure 4. Ripple Rejection vs. Frequency Figure 6. Line Regulation ...

  • Page 4

    LM317M Typical Performance Characteristics Figure 7. Outputvoltage vs. Temperature 4 (Continued) Figure 8. Thermal Shutdown ...

  • Page 5

    LM317M Typical Application Input V ADJ D1 protects the device during an input short circuit. Input V ADJ Input LM317M V ADJ 5 D1 1N4002 V LM317M 720 KSP2222 MINIMUM V Figure Electronic Shutdown Regulator LM317M KSP2907 ...

  • Page 6

    Mechanical Dimensions Package ±0.20 6.60 ±0.30 5.34 (0.50) (4.34) MAX0.96 2.30TYP [2.30±0.20] Dimensions in millimeters D-PAK (0.50) ±0.10 0.76 2.30TYP [2.30±0.20] ±0.20 6.60 (5.34) (5.04) (1.50) (2XR0.25) LM317M ±0.10 2.30 0.50 ±0.10 ±0.10 0.50 1.02 ±0.20 2.30 ±0.20 0.76 ±0.10 ...

  • Page 7

    Mechanical Dimensions Package TO-220 [SINGLE GAUGE] (Continued) Dimensions in millimeters LM317M 7 ...

  • Page 8

    ... LM317MDT LM317MT DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...