Datasheet LM340, LM340A, LM7805, LM7812, LM7815 (Texas Instruments) - 5

LM340 , LM340A , LM7805 , LM7812, LM7815 www.ti.com
SNOSBT0L – FEBRUARY 2000 – REVISED SEPTEMBER 2016
6.5 LM340A Electrical Characteristics, VO = 5 V, VI = 10 V
IOUT = 1 A, 0°C ≤ TJ ≤ 125°C (LM340A) unless otherwise specified(1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TJ = 25°C 4.9 5 5.1 V VO Output voltage PD ≤ 15 W, 5 mA ≤ IO ≤ 1 A 4.8 5.2 V 7.5 V ≤ VIN ≤ 20 V 7.5 V ≤ V T IN ≤ 20 J = 25°C 3 10 mV V Over temperature, IO = 500 mA 10 mV ΔVO Line regulation TJ = 25°C 4 mV 8 V ≤ VIN ≤ 12 V Over temperature 12 mV 5 mA ≤ IO ≤ 1.5 A 10 25 mV TJ = 25°C ΔVO Load regulation 250 mA ≤ IO ≤ 750 mA 15 mV Over temperature, 5 mA ≤ IO ≤ 1 A 25 mV TJ = 25°C 6 mA IQ Quiescent current Over temperature 6.5 mA TJ = 25°C, IO = 1 A 0.8 mA 7.5 V ≤ VIN ≤ 20 V Quiescent current ΔIQ Over temperature, 5 mA ≤ I change O ≤ 1 A 0.5 mA Over temperature, IO = 500 mA 0.8 mA 8 V ≤ VIN ≤ 25 V VN Output noise voltage TA = 25°C, 10 Hz ≤ f ≤ 100 kHz 40 μV f = 120 Hz TJ = 25°C, IO = 1 A 68 80 dB Ripple rejection 8 V ≤ VIN ≤ 18 68 V Over temperature, IO = 500 mA dB Dropout voltage TJ = 25°C, IO = 1 A 2 V Output resistance f = 1 kHz 8 mΩ RO Short-circuit current TJ = 25°C 2.1 A Peak output current TJ = 25°C 2.4 A Average TC of VO Min, TJ = 0°C, IO = 5 mA −0.6 mV/°C Input voltage required to VIN T maintain line regulation J = 25°C 7.5 V (1) All characteristics are measured with a 0.22-μF capacitor from input to ground and a 0.1-μF capacitor from output to ground. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw ≤ 10 ms, duty cycle ≤ 5%). Output voltage changes due to changes in internal temperature must be taken into account separately. Copyright © 2000–2016, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM340 LM340A LM7805 LM7812 LM7815 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 LM340A Electrical Characteristics, VO = 5 V, VI = 10 V 6.6 LM340 / LM7805 Electrical Characteristics, VO = 5 V, VI = 10 V 6.7 LM340 / LM7812 Electrical Characteristics, VO = 12 V, VI = 19 V 6.8 LM340 / LM7815 Electrical Characteristics, VO = 15 V, VI = 23 V 6.9 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Output Current 7.3.2 Current Limiting Feature 7.3.3 Thermal Shutdown 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.1.1 Shorting the Regulator Input 8.1.2 Raising the Output Voltage Above the Input Voltage 8.1.3 Regulator Floating Ground 8.1.4 Transient Voltages 8.2 Typical Applications 8.2.1 Fixed Output Voltage Regulator 8.2.1.1 Design Requirements 8.2.1.2 Detailed Design Procedure 8.2.1.3 Application Curve 8.3 System Examples 9 Power Supply Recommendations 10 Layout 10.1 Layout Guidelines 10.2 Layout Example 10.3 Heat Sinking DDPAK/TO-263 and SOT-223 Package Parts 11 Device and Documentation Support 11.1 Documentation Support 11.1.1 Related Documentation 11.2 Related Links 11.3 Receiving Notification of Documentation Updates 11.4 Community Resources 11.5 Trademarks 11.6 Electrostatic Discharge Caution 11.7 Glossary 12 Mechanical, Packaging, and Orderable Information Page 1