Datasheet Texas Instruments LM337KTTR
| Manufacturer | Texas Instruments |
| Series | LM337 |
| Part Number | LM337KTTR |
3 Pin 1.5A Adjustable Negative Voltage Regulator 3-DDPAK/TO-263 0 to 125
Datasheets
LMx37 3-Terminal Adjustable Regulators datasheet
PDF, 1.3 Mb, Revision: L, File published: Jan 12, 2015
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Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 3 |
| Package Type | KTT |
| Industry STD Term | TO-263 |
| JEDEC Code | R-PSFM-G |
| Package QTY | 500 |
| Carrier | LARGE T&R |
| Device Marking | LM337 |
| Width (mm) | 8.41 |
| Length (mm) | 10.18 |
| Thickness (mm) | 4.44 |
| Pitch (mm) | 2.54 |
| Max Height (mm) | 4.83 |
| Mechanical Data | Download |
Parametrics
| Accuracy | 2.4 % |
| Iout(Max) | 1.5 A |
| Iq(Typ) | 1.5 mA |
| Noise | 1110 uVrms |
| Operating Temperature Range | 0 to 125 C |
| Output Capacitor Type | Non-Ceramic |
| Output Options | Adjustable Output,Negative Output |
| PSRR @ 100KHz | 19 dB |
| Package Group | DDPAK/TO-263 |
| Package Size: mm2:W x L | 3DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263) PKG |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Special Features | N/A |
| Thermal Resistance ОёJA | 23 В°C/W |
| Vdo(Typ) | 2000 mV |
| Vin(Max) | -3 V |
| Vin(Min) | -40 V |
| Vout(Max) | -1.2 V |
| Vout(Min) | -37 V |
Eco Plan
| RoHS | Compliant |
Application Notes
- AN-42 IC Provides On-Card Regulation for Logic Circuits (Rev. B)PDF, 593 Kb, Revision: B, File published: May 6, 2013
This application report provides on-card regulation for logic circuits. - High Stability RegulatorsPDF, 104 Kb, File published: Oct 3, 2002
- AN-178 Applications for an Adjustable IC Power Regulator (Rev. B)PDF, 219 Kb, Revision: B, File published: May 5, 2013
This application report provides applications for the Texas Instruments LM117 3-terminal adjustableregulator. - High-Efficiency Reg has Low Drop-Out Voltage (Rev. B)PDF, 60 Kb, Revision: B, File published: Apr 23, 2013
Conventional regulators have a high drop-out voltage that is a function of the total output current.However with just a regulator chip an external transistor and a few passive components this designforms a high output current regulator with a limited input voltage and high efficiency. The circuit presentedhas a drop-out of 0.7V at 5A load current and 1.3V at a current level of as high as - Adjustable 3-Terminal Regulator for Low-Cost Battery Charging SystemsPDF, 104 Kb, File published: Oct 3, 2002
- A New Production Technique for Trimming Voltage RegulatorsPDF, 105 Kb, File published: Oct 3, 2002
- AB-12 Wide Adjustable Range PNP Voltage Regulator (Rev. B)PDF, 47 Kb, Revision: B, File published: May 6, 2013
This application note discusses the PNP voltage regulator. - How to pick a linear regulator for noise-sensitive applicationsPDF, 255 Kb, File published: Jan 22, 2013
- ANY-OUTв„ў LDO Controlled by I2Cв„ў IO Expander Device (Rev. A)PDF, 1.2 Mb, Revision: A, File published: Sep 20, 2012
TPS74201, TPS74301, TPS74401, TPS7A80xx, TPS7A8101 ANY-OUTв„ў LDO Controlled by I2Cв„ў IO Expander Device - AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B)PDF, 82 Kb, Revision: B, File published: May 5, 2013
This application report discusses improving power supply reliability with IC power regulators. - AN-181 3-Terminal Regulator is Adjustable (Rev. B)PDF, 314 Kb, Revision: B, File published: May 5, 2013
Until now all of the 3-terminal power IC voltage regulators have a fixed output voltage. In spite of this limitation their ease of use low cost and full on-chip overload protection have generated wide acceptance. Now with the introduction of the LM117 it is possible to use a single regulator for any output voltage from 1.2 V to 37 V at 1.5A. Selecting close-tolerance outp - AN-1061 Power Conversion in Line-Powered Equipment (Rev. B)PDF, 406 Kb, Revision: B, File published: Apr 23, 2013
This application note describes line-powered equipment and power conversion techniques or methods tosolve those typical power needs. - AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B)PDF, 684 Kb, Revision: B, File published: May 6, 2013
The purpose of this application report is to aid the user in maximizing the power handling capability of Texas Instruments power packages by using the SOT-223 as an example. - Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)PDF, 284 Kb, Revision: A, File published: May 5, 2013
When working with voltage regulator circuits the designer is often confronted with the need to calculatethe tolerance of the regulated output voltage. For fixed voltage regulators this problem is easily managedbecause the required information is directly supplied on the semiconductor manufacturer's data sheet. - AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)PDF, 814 Kb, Revision: A, File published: May 6, 2013
The LM340-XX are three terminal 1.0A positive voltage regulators with preset output voltages of 5.0V or15V. The LM340 regulators are complete 3-terminal regulators requiring no external components fornormal operation. However by adding a few parts one may improve the transient response provide for avariable output voltage or increase the output current. Included on the chip are all of t - AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)PDF, 300 Kb, Revision: B, File published: May 6, 2013
This application note discusses the operation and compensation of linear regulators. - Understanding the Terms and Definitions of LDO Voltage RegulatorsPDF, 197 Kb, File published: Oct 21, 1999
This report provides an understanding of the terms and definitions of low dropout (LDO) voltage regulators and describes fundamental concepts including dropout voltage quiescent current standby current efficiency transient response line/load regulation power supply rejection output noise voltage accuracy and power dissipation. Each section includes an example to increase the understandab - Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)PDF, 509 Kb, Revision: A, File published: Jun 4, 2008
- Packaging Limits Range of Linear RegulatorsPDF, 75 Kb, File published: May 8, 2010
The power limitations of the physical packaging for a linear regulator device can limit the total output current or the input-to-output voltage differential. This inherent limitation is not always apparent from the product data sheet and must be evaluated during the design phase. This application note shows how the package can limit the operating envelope of a linear regulator. - A Topical Index of TI LDO Application Notes (Rev. F)PDF, 82 Kb, Revision: F, File published: Jun 27, 2019
- 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 - 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.
Model Line
Series: LM337 (10)
Manufacturer's Classification
- Semiconductors > Power Management > Linear Regulator (LDO) > Single Channel LDO
