Datasheet Texas Instruments LM317MQ
| Manufacturer | Texas Instruments |
| Series | LM317MQ |
4 Pin 500mA Adjustable Positive Voltage Regulator
Datasheets
LM317M 3-Terminal Adjustable Regulator datasheet
PDF, 1.1 Mb, Revision: P, File published: Mar 31, 2014
Extract from the document
Status
| LM317MQDCYR | LM317MQDCYRG4 | LM317MQKTPR | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Obsolete (Manufacturer has discontinued the production of the device) |
| Manufacture's Sample Availability | No | No | Yes |
Packaging
| LM317MQDCYR | LM317MQDCYRG4 | LM317MQKTPR | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 4 | 4 | 2 |
| Package Type | DCY | DCY | KTP |
| Industry STD Term | SOT-223 | SOT-223 | PFM |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PSFM-G |
| Package QTY | 2500 | 2500 | |
| Carrier | LARGE T&R | LARGE T&R | |
| Device Marking | L5 | L5 | |
| Width (mm) | 3.5 | 3.5 | 6.15 |
| Length (mm) | 6.5 | 6.5 | 6.04 |
| Thickness (mm) | 1.6 | 1.6 | 1.91 |
| Pitch (mm) | 2.3 | 2.3 | 4.57 |
| Max Height (mm) | 1.8 | 1.8 | 2.03 |
| Mechanical Data | Download | Download | Download |
Parametrics
| Parameters / Models | LM317MQDCYR | LM317MQDCYRG4 | LM317MQKTPR |
|---|---|---|---|
| Accuracy, % | 2 | 2 | |
| Additional Features | Overcurrent Protection Thermal Shutdown | ||
| Approx. Price (US$) | 0.29 | 1ku | ||
| Features | N/A | N/A | |
| Iout(Max), A | 0.5 | 0.5 | |
| Iout(Max)(A) | 0.5 | ||
| Iq(Typ), mA | 3.5 | 3.5 | |
| Iq(Typ)(mA) | 3.5 | ||
| Noise, uVrms | 38 | 38 | |
| Noise(uVrms) | 1110 | ||
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | |
| Operating Temperature Range(C) | -40 to 125 | ||
| Output Capacitor Type | Cap Free,Non-Ceramic | Cap Free,Non-Ceramic | Cap Free Non-Ceramic |
| Output Options | Adjustable Output | Adjustable Output | Adjustable Output |
| PSRR @ 100KHz, dB | 22 | 22 | |
| PSRR @ 100KHz(dB) | 22 | ||
| Package Group | SOT-223 | SOT-223 | SOT-223 |
| Package Size: mm2:W x L, PKG | 4SOT-223: 46 mm2: 7 x 6.5(SOT-223) | 4SOT-223: 46 mm2: 7 x 6.5(SOT-223) | |
| Package Size: mm2:W x L (PKG) | See datasheet (PFM) | ||
| Powered Load | FPGA Microcontroller Microprocessor | ||
| Rating | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | |
| Regulated Outputs(#) | 1 | ||
| Thermal Resistance ОёJA, В°C/W | 60 | 60 | |
| Vdo(Typ), mV | 2000 | 2000 | |
| Vdo(Typ)(mV) | 2000 | ||
| Vin(Max), V | 40 | 40 | |
| Vin(Max)(V) | 40 | ||
| Vin(Min), V | 3 | 3 | |
| Vin(Min)(V) | 3 | ||
| Vout(Max), V | 37 | 37 | |
| Vout(Max)(V) | 37 | ||
| Vout(Min), V | 1.2 | 1.2 | |
| Vout(Min)(V) | 1.2 |
Eco Plan
| LM317MQDCYR | LM317MQDCYRG4 | LM317MQKTPR | |
|---|---|---|---|
| RoHS | Compliant | Compliant | Not Compliant |
| Pb Free | No |
Application Notes
- LDO Noise Demystified (Rev. A)PDF, 785 Kb, Revision: A, File published: Aug 9, 2017
Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced. - LDO PSRR Measurement Simplified (Rev. A)PDF, 131 Kb, Revision: A, File published: Aug 9, 2017
This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods
Model Line
Series: LM317MQ (3)
Manufacturer's Classification
- Semiconductors > Analog and Mixed-Signal > Power Management > Linear Regulator (LDO) > Single Channel LDO