SLVS610C August   2006  – October 2024 TL2842B , TL2843B , TL2844B , TL2845B , TL3842B , TL3843B , TL3844B , TL3845B

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Reference Section Electrical Characteristics
    6. 5.6  Oscillator Section Electrical Characteristics
    7. 5.7  Error-Amplifier Section Electrical Characteristics
    8. 5.8  Current-Sense Section Electrical Characteristics
    9. 5.9  Output Section Electrical Characteristics
    10. 5.10 Undervoltage-Lockout Section Electrical Characteristics
    11. 5.11 Pulse-Width Modulator Section Electrical Characteristics
    12. 5.12 Supply Voltage Electrical Characteristics
    13. 5.13 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Functional Block Diagram
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Shutdown Technique
    3. 7.3 Open-Loop Laboratory Test Fixture
    4. 7.4 Typical Application
      1. 7.4.1 Application Curves
  9. 8 Device and Documentation Support
    1. 8.1 Related Links
    2. 8.2 Trademarks
    3. 8.3 Electrostatic Discharge Caution
    4. 8.4 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.7 Error-Amplifier Section Electrical Characteristics

VCC = 15 V(1), RT = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified)
PARAMETERTEST CONDITIONSTL284xBTL384xBUNIT
MINTYP(2)MAXMINTYP(2)MAX
Feedback input voltageCOMP = 2.5 V2.452.52.552.422.52.58V
Input bias current–0.3–1–0.3–2μA
Open-loop voltage amplificationVO = 2 V to 4 V65906590dB
Gain-bandwidth product0.710.71MHz
Supply-voltage rejection ratioVCC = 12 V to 25 V60706070dB
Output sink currentVFB = 2.7 V, COMP = 1.1 V2626mA
Output source currentVFB = 2.3 V, COMP = 5 V–0.5–0.8–0.5–0.8mA
High-level output voltageVFB = 2.3 V,
RL = 15 kΩ to GND		5656V
Low-level output voltageVFB = 2.7 V,
RL = 15 kΩ to GND		0.71.10.71.1V
(1) Adjust VCC above the start threshold before setting it to 15 V.
(2) All typical values are at TJ = 25°C.