SNVS684D November   2010  – March 2016

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics for 3-V LM2936Q
    6. 6.6 Electrical Characteristics for 3.3-V LM2936Q
    7. 6.7 Electrical Characteristics for 5-V LM2936Q
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 High Input Operating Voltage
      2. 7.3.2 Thermal Shutdown (TSD)
      3. 7.3.3 Short-Circuit Current Limit
      4. 7.3.4 Shutdown (SD) Pin
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External Capacitors
          1. 8.2.2.1.1 Minimum Capacitance
          2. 8.2.2.1.2 ESR Limits
        2. 8.2.2.2 Output Capacitor ESR
        3. 8.2.2.3 Power Dissipation
        4. 8.2.2.4 Estimating Junction Temperature
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)(2)
MIN MAX UNIT
Input voltage (survival) −50 60 V
Power dissipation(3) Internally limited
Junction temperature, TJMAX 150 °C
Storage temperature, Tstg −65 150
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) If Military/Aerospace specified devices are required, contact the TI Sales Office/ Distributors for availability and specifications.
(3) The maximum power dissipation is a function of TJ(MAX), RθJA, and TA. The maximum allowable power dissipation at any ambient temperature is PD = (TJ(MAX) − TA) / RθJA. If this dissipation is exceeded, the die temperature can rise above the TJ(MAX) of 150°C, and the LM2936Q may go into thermal shutdown.

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. .

6.3 Recommended Operating Conditions

MIN MAX UNIT
Temperature, TJ −40 125 °C
Input voltage, VIN (LM2936Q) 5.5 40 V
Input voltage, VIN (LM2936QH only) 5.5 60 V
Shutdown pin voltage, VSD (LM2936QHBMA only) 0 40 V

6.4 Thermal Information

THERMAL METRIC(1) LM2936Q UNIT
SOIC
(D)		 TO-252
(NDP)		 VSSOP
(DGK)		 SOT-223
(DCY)
8 PINS 3 PINS 8 PINS 4 PINS
RθJA(2) Junction-to-ambient thermal resistance, High-K 111.4 50.5 173.4 62.8 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 56.3 52.6 65.9 44.2 °C/W
RθJB Junction-to-board thermal resistance 51.9 29.7 94.9 11.7 °C/W
ψJT Junction-to-top characterization parameter 10.9 4.8 9.6 3.6 °C/W
ψJB Junction-to-board characterization parameter 51.4 29.3 93.3 11.6 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance n/a 1.6 n/a n/a °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.
(2) Thermal resistance value RθJA is based on the EIA/JEDEC High-K printed circuit board defined by: JESD51-7 - High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages.

6.5 Electrical Characteristics for 3-V LM2936Q

VIN = 14 V, IOUT = 10 mA, TJ = 25°C, unless otherwise specified.
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
Output voltage 2.94 3 3.06 V
4 V ≤ VIN ≤ 26 V, 100 µA ≤ IOUT ≤ 50 mA(2) –40°C ≤ TJ ≤ 125°C 2.91 3.000 3.09
Quiescent current IOUT = 100 μA, 8 V ≤ VIN ≤ 24 V 15 20 μA
IOUT = 10 mA, 8 V ≤ VIN ≤ 24 V 0.2 0.5 mA
IOUT = 50 mA, 8 V ≤ VIN ≤ 24 V 1.5 2.5 mA
Line regulation 9 V ≤ VIN ≤ 16 V 5 10 mV
6 V ≤ VIN ≤ 40 V, IOUT = 1 mA 10 30
Load regulation 100 μA ≤ IOUT ≤ 5 mA 10 30 mV
5 mA ≤ IOUT ≤ 50 mA 10 30
Dropout voltage IOUT = 100 μA 0.05 0.1 V
IOUT = 50 mA 0.20 0.40 V
Short-circuit current VOUT = 0 V 65 120 250 mA
Output impedance IOUT = 30 mAdc and 10 mArms, ƒ = 1000 Hz 450 mΩ
Output noise voltage 10 Hz–100 kHz 500 μV
Long-term stability 20 mV/1000 Hr
Ripple rejection Vripple = 1 Vrms, ƒripple = 120 Hz −40 −60 dB
Reverse polarity transient input voltage RL = 500 Ω, t = 1 ms −50 −80 V
Output voltage with reverse polarity input VIN = −15 V, RL = 500 Ω 0 −0.3 V
Maximum line transient RL = 500 Ω, VOUT ≤ 3.3 V, T = 40 ms 60 V
Output bypass capacitance
(COUT) ESR		 COUT = 22 µF, 0.1 mA ≤ IOUT ≤ 50 mA 0.3 8 Ω
(1) Datasheet minimum and max specification limits are ensured by design, test, or statistical analysis.
(2) Typical limits are at 25°C (unless otherwise specified) and represent the most likely parametric norm.

6.6 Electrical Characteristics for 3.3-V LM2936Q

VIN = 14 V, IOUT = 10 mA, TJ = 25°C, unless otherwise specified.
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
Output voltage 3.234 3.300 3.366 V
4 V ≤ VIN ≤ 26 V, 100 µA ≤ IOUT ≤ 50 mA(3) –40°C ≤ TJ ≤ 125°C 3.201 3.300 3.399
Quiescent current IOUT = 100 μA, 8 V ≤ VIN ≤ 24 V 15 20 μA
IOUT = 10 mA, 8 V ≤ VIN ≤ 24 V 0.2 0.5 mA
IOUT = 50 mA, 8 V ≤ VIN ≤ 24 V 1.5 2.5 mA
Line regulation 9 V ≤ VIN ≤ 16 V 5 10 mV
6 V ≤ VIN ≤ 40 V, IOUT = 1 mA 10 30
Load regulation 100 μA ≤ IOUT ≤ 5 mA 10 30 mV
5 mA ≤ IOUT ≤ 50 mA 10 30
Dropout voltage IOUT = 100 μA 0.05 0.10 V
IOUT = 50 mA 0.2 0.4 V
Short-circuit current VOUT = 0 V 65 120 250 mA
Output impedance IOUT = 30 mAdc and 10 mArms, ƒ = 1000 Hz 450 mΩ
Output noise voltage 10 Hz–100 kHz 500 μV
Long-term stability 20 mV/1000 Hr
Ripple rejection Vripple = 1 Vrms, ƒripple = 120 Hz −40 −60 dB
Reverse polarity transient input voltage RL = 500 Ω, T = 1 ms −50 −80 V
Output voltage with reverse polarity input VIN = −15 V, RL = 500 Ω 0 −0.3 V
Maximum line transient RL = 500 Ω, VOUT ≤ 3.63 V, T = 40 ms 60 V
Output bypass capacitance
(COUT) ESR		 COUT = 22 µF, 0.1 mA ≤ IOUT ≤ 50 mA 0.3 8 Ω
(1) Datasheet minimum and maximum specification limits are ensured by design, test, or statistical analysis.
(2) Typical limits are at 25°C (unless otherwise specified) and represent the most likely parametric norm.
(3) To ensure constant junction temperature, pulse testing is used.

6.7 Electrical Characteristics for 5-V LM2936Q

VIN = 14 V, IOUT = 10 mA, TJ = 25°C, unless otherwise specified.
PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT
5-V LM2936QHBMA ONLY
Output voltage 5.5 V ≤ VIN ≤ 48 V, 100 µA ≤ IOUT ≤ 50 mA(3) –40°C ≤ TJ ≤ 125°C 4.85 5 5.15 V
Line regulation 6 V ≤ VIN ≤ 60 V, IOUT = 1 mA 15 35 mV
ALL 5-V LM2936Q
Output voltage 4.9 5 5.1 V
5.5 V ≤ VIN ≤ 26 V, 100 µA ≤ IOUT ≤ 50 mA(3) –40°C ≤ TJ ≤ 125°C 4.85 5 5.15
Quiescent current IOUT = 100 μA, 8 V ≤ VIN ≤ 24 V 9 15 μA
IOUT = 10 mA, 8 V ≤ VIN ≤ 24 V 0.2 0.5 mA
IOUT = 50 mA, 8 V ≤ VIN ≤ 24 V 1.5 2.5 mA
Line regulation 9 V ≤ VIN ≤ 16 V 5 10 mV
6 V ≤ VIN ≤ 40 V, IOUT = 1 mA 10 30
Load regulation 100 μA ≤ IOUT ≤ 5 mA 10 30 mV
5 mA ≤ IOUT ≤ 50 mA 10 30
Dropout voltage IOUT = 100 μA 0.05 0.1 V
IOUT = 50 mA 0.2 0.4 V
Short-circuit current VOUT = 0 V 65 120 250 mA
Output impedance IOUT = 30 mAdc and 10 mArms, ƒ = 1000 Hz 450 mΩ
Output noise voltage 10 Hz–100 kHz 500 μV
Long-term stability 20 mV/1000 Hr
Ripple rejection Vripple = 1 Vrms, ƒripple = 120 Hz −40 −60 dB
Reverse polarity transient input voltage RL = 500 Ω, T = 1 ms −50 −80 V
Output voltage with reverse polarity input VIN = −15 V, RL = 500 Ω 0 −0.3 V
Maximum line transient RL = 500 Ω, VOUT ≤ 5.5 V, T = 40 ms 60 V
Output bypass capacitance (COUT) ESR COUT = 10 µF, 0.1 mA ≤ IOUT ≤ 50 mA 0.3 8 Ω
SHUTDOWN INPUT: 5-V LM2936QHBMA ONLY
Output voltage, VOUT Output off, VSD = 2.4 V, RLOAD = 500 Ω 0 0.01 V
Shutdown high threshold voltage, VIH Output off, RLOAD = 500 Ω 2 1.1 V
Shutdown low
threshold voltage, VIL		 Output on, RLOAD = 500 Ω 1.1 0.6 V
Shutdown high
current, IIH		 Output off, VSD = 2.4 V, RLOAD = 500 Ω 12 μA
Quiescent current Output off, VSD = 2.4 V, RLOAD = 500Ω, includes IIH current 30 μA
(1) Datasheet minimum and maximum specification limits are ensured by design, test, or statistical analysis.
(2) Typical limits are at 25°C (unless otherwise specified) and represent the most likely parametric norm.
(3) To ensure constant junction temperature, pulse testing is used.

6.8 Typical Characteristics

LM2936Q 00975908.png
Figure 1. Dropout Voltage
LM2936Q 00975910.png
Figure 3. Quiescent Current
LM2936Q 00975912.png
Figure 5. Quiescent Current
LM2936Q 00975914.png
Figure 7. Quiescent Current
LM2936Q 00975930.png
Figure 9. 3.3-V LM2936Q COUT ESR
LM2936Q 00975916.gif
Figure 11. Peak Output Current
LM2936Q 00975918.png
Figure 13. 5-V LM2936Q Current Limit
LM2936Q 00975920.png
Figure 15. 5-V LM2936Q Output at Voltage Extremes
LM2936Q 00975922.png
Figure 17. 5-V LM2936Q Load Transient Response
LM2936Q 00975924.png
Figure 19. 5-V LM2936Q Output Impedance
LM2936Q 00975909.png
Figure 2. Dropout Voltage
LM2936Q 00975911.png
Figure 4. Quiescent Current
LM2936Q 00975913.png
Figure 6. Quiescent Current
LM2936Q 00975929.png
Figure 8. 3-V LM2936Q COUT ESR
LM2936Q 00975915.gif
Figure 10. 5-V LM2936Q COUT ESR
LM2936Q 00975917.png
Figure 12. Peak Output Current
LM2936Q 00975919.png
Figure 14. 5-V LM2936Q Line Transient Response
LM2936Q 00975921.png
Figure 16. 5-V LM2936Q Ripple Rejection
LM2936Q 00975923.png
Figure 18. 5-V LM2936Q Low Voltage Behavior
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