SLVS056P May   1976  – January 2015

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics — uA7805
    6. 7.6  Electrical Characteristics — uA7808
    7. 7.7  Electrical Characteristics — uA7810
    8. 7.8  Electrical Characteristics — uA7812
    9. 7.9  Electrical Characteristics — uA7815
    10. 7.10 Electrical Characteristics — uA7824
    11. 7.11 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Schematic
    3. 8.3 Feature Description
      1. 8.3.1 Thermal Overload
      2. 8.3.2 Short-Circuit Current Limiting
    4. 8.4 Device Functional Modes
      1. 8.4.1 Fixed-Output Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Operation With a Load Common to a Voltage of Opposite Polarity
        2. 9.2.2.2 Reverse-Bias Protection
      3. 9.2.3 Application Curves
      4. 9.2.4 General Configurations
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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订购信息

7 Specifications

7.1 Absolute Maximum Ratings

over virtual junction temperature range (unless otherwise noted)
MIN MAX UNIT
Vl Input voltage μA7824C 40 V
All others 35
TJ Operating virtual junction temperature 150 °C
Lead temperature 1,6 mm (1/16 in) from case for 10 s 260 °C
Tstg Storage temperature range –65 150 °C

7.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) 3000 V
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) 2000
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

MIN MAX UNIT
Vl Input voltage μA7805 7 25 V
μA7808 10.5 25
μA7810 12.5 28
μA7812 14.5 30
μA7815 17.5 30
μA7824 27 38
IO Output current 1.5 A
TJ Operating virtual junction temperature 0 125 °C

7.4 Thermal Information

THERMAL METRIC(1) μA78XX UNIT
KTE KCS, KCT, KC KTT
3 PINS 3 PINS 3 PINS
RθJA Junction-to-ambient thermal resistance 23 19 25.3 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 3 17 18
RθJP(top) Junction-to-exposed-pad thermal resistance 2.7 3 1.94
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953).

7.5 Electrical Characteristics — uA7805

at specified virtual junction temperature, VI = 10 V, IO = 500 mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ(1) μA7805C UNIT
MIN TYP MAX
Output voltage IO = 5 mA to 1 A, VI = 7 V to 20 V, PD ≤ 15 W 25°C 4.8 5 5.2 V
0°C to 125°C 4.75 5.25
Input voltage regulation VI = 7 V to 25 V 25°C 3 100 mV
VI = 8 V to 12 V 1 50
Ripple rejection(2) VI = 8 V to 12 V, f = 120 Hz 0°C to 125°C 62 78 dB
VI = 8 V to 12 V, f = 120 Hz (KCT) 68
Output voltage regulation IO = 5 mA to 1.5 A 25°C 15 100 mV
IO = 250 mA to 750 mA 5 50
Output resistance f = 1 kHz 0°C to 125°C 0.017 Ω
Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –1.1 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 25°C 40 μV
Dropout voltage IO = 1 A 25°C 2 V
Bias current 25°C 4.2 8 mA
Bias current change VI = 7 V to 25 V 0°C to 125°C 1.3 mA
IO = 5 mA to 1 A 0.5
Short-circuit output current 25°C 750 mA
Peak output current 25°C 2.2 A
(1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-μF capacitor across the input and a 0.1-μF capacitor across the output.
(2) This parameter is validated by design and verified during product characterization. It is not tested in production.

7.6 Electrical Characteristics — uA7808

at specified virtual junction temperature, VI = 14 V, IO = 500 mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ(1) μA7808C UNIT
MIN TYP MAX
Output voltage IO = 5 mA to 1 A, VI = 10.5 V to 23 V, PD ≤ 15 W 25°C 7.7 8 8.3 V
0°C to 125°C 7.6 8.4
Input voltage regulation VI = 10.5 V to 25 V 25°C 6 160 mV
VI = 11 V to 17 V 2 80
Ripple rejection(2) VI = 11.5 V to 21.5 V, f = 120 Hz 0°C to 125°C 55 72 dB
VI = 11.5 V to 21.5 V, f = 120 Hz (KCT) 62
Output voltage regulation IO = 5 mA to 1.5 A 25°C 12 160 mV
IO = 250 mA to 750 mA 4 80
Output resistance f = 1 kHz 0°C to 125°C 0.016 Ω
Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –0.8 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 25°C 52 μV
Dropout voltage IO = 1 A 25°C 2 V
Bias current 25°C 4.3 8 mA
Bias current change VI = 10.5 V to 25 V 0°C to 125°C 1 mA
IO = 5 mA to 1 A 0.5
Short-circuit output current 25°C 450 mA
Peak output current 25°C 2.2 A
(1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-μF capacitor across the input and a 0.1-μF capacitor across the output.
(2) This parameter is validated by design and verified during product characterization. It is not tested in production.

7.7 Electrical Characteristics — uA7810

at specified virtual junction temperature, VI = 17 V, IO = 500 mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ(1) μA7810C UNIT
MIN TYP MAX
Output voltage IO = 5 mA to 1 A, VI = 12.5 V to 25 V, PD ≤ 15 W 25°C 9.6 10 10.4 V
0°C to 125°C 9.5 10.5
Input voltage regulation VI = 12.5 V to 28 V 25°C 7 200 mV
VI = 14 V to 20 V 2 100
Ripple rejection(2) VI = 13 V to 23 V, f = 120 Hz 0°C to 125°C 55 71 dB
Output voltage regulation IO = 5 mA to 1.5 A 25°C 12 200 mV
IO = 250 mA to 750 mA 4 100
Output resistance f = 1 kHz 0°C to 125°C 0.018 Ω
Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –1 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 25°C 70 μV
Dropout voltage IO = 1 A 25°C 2 V
Bias current 25°C 4.3 8 mA
Bias current change VI = 12.5 V to 28 V 0°C to 125°C 1 mA
IO = 5 mA to 1 A 0.5
Short-circuit output current 25°C 400 mA
Peak output current 25°C 2.2 A
(1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-μF capacitor across the input and a 0.1-μF capacitor across the output.
(2) This parameter is validated by design and verified during product characterization. It is not tested in production.

7.8 Electrical Characteristics — uA7812

at specified virtual junction temperature, VI = 19 V, IO = 500 mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ(1) μA7812C UNIT
MIN TYP MAX
Output voltage IO = 5 mA to 1 A, VI = 14.5 V to 27 V, PD ≤ 15 W 25°C 11.5 12 12.5 V
0°C to 125°C 11.4 12.6
Input voltage regulation VI = 14.5 V to 30 V 25°C 10 240 mV
VI = 16 V to 22 V 3 120
Ripple rejection(2) VI = 15 V to 25 V, f = 120 Hz 0°C to 125°C 55 71 dB
VI = 15 V to 25 V, f = 120 Hz (KCT) 61
Output voltage regulation IO = 5 mA to 1.5 A 25°C 12 240 mV
IO = 250 mA to 750 mA 4 120
Output resistance f = 1 kHz 0°C to 125°C 0.018 Ω
Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –1 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 25°C 75 μV
Dropout voltage IO = 1 A 25°C 2 V
Bias current 25°C 4.3 8 mA
Bias current change VI = 14.5 V to 30 V 0°C to 125°C 1 mA
IO = 5 mA to 1 A 0.5
Short-circuit output current 25°C 350 mA
Peak output current 25°C 2.2 A
(1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-μF capacitor across the input and a 0.1-μF capacitor across the output.
(2) This parameter is validated by design and verified during product characterization. It is not tested in production.

7.9 Electrical Characteristics — uA7815

at specified virtual junction temperature, VI = 23 V, IO = 500 mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ(1) μA7815C UNIT
MIN TYP MAX
Output voltage IO = 5 mA to 1 A, VI = 17.5 V to 30 V, PD ≤ 15 W 25°C 14.4 15 15.6 V
0°C to 125°C 14.25 15.75
Input voltage regulation VI = 17.5 V to 30 V 25°C 11 300 mV
VI = 20 V to 26 V 3 150
Ripple rejection(2) VI = 18.5 V to 28.5 V, f = 120 Hz 0°C to 125°C 54 70 dB
VI = 18.5 V to 28.5 V, f = 120 Hz (KCT) 60
Output voltage regulation IO = 5 mA to 1.5 A 25°C 12 300 mV
IO = 250 mA to 750 mA 4 150
Output resistance f = 1 kHz 0°C to 125°C 0.019 Ω
Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –1 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 25°C 90 μV
Dropout voltage IO = 1 A 25°C 2 V
Bias current 25°C 4.4 8 mA
Bias current change VI = 17.5 V to 30 V 0°C to 125°C 1 mA
IO = 5 mA to 1 A 0.5
Short-circuit output current 25°C 230 mA
Peak output current 25°C 2.1 A
(1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-μF capacitor across the input and a 0.1-μF capacitor across the output.
(2) This parameter is validated by design and verified during product characterization. It is not tested in production.

7.10 Electrical Characteristics — uA7824

at specified virtual junction temperature, VI = 33 V, IO = 500 mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ(1) μA7824C UNIT
MIN TYP MAX
Output voltage IO = 5 mA to 1 A, VI = 27 V to 38 V, PD ≤ 15 W 25°C 23 24 25 V
0°C to 125°C 22.8 25.2
Input voltage regulation VI = 27 V to 38 V 25°C 18 480 mV
VI = 30 V to 36 V 6 240
Ripple rejection(2) VI = 28 V to 38 V, f = 120 Hz 0°C to 125°C 50 66 dB
Output voltage regulation IO = 5 mA to 1.5 A 25°C 12 480 mV
IO = 250 mA to 750 mA 4 240
Output resistance f = 1 kHz 0°C to 125°C 0.028 Ω
Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –1.5 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 25°C 170 μV
Dropout voltage IO = 1 A 25°C 2 V
Bias current 25°C 4.6 8 mA
Bias current change VI = 27 V to 38 V 0°C to 125°C 1 mA
IO = 5 mA to 1 A 0.5
Short-circuit output current 25°C 150 mA
Peak output current 25°C 2.1 A
(1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-μF capacitor across the input and a 0.1-μF capacitor across the output.
(2) This parameter is validated by design and verified during product characterization. It is not tested in production.

7.11 Typical Characteristics

ua7805_biascurrent.gifFigure 1. µA7805 Bias Current vs Voltage Differential at 25°C