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

4 Pin Configuration and Functions

TL284xB TL384xB
PIN Type(1) DESCRIPTION
NAME D (14 pins) D or P (8 pins)
COMP 1 1 I/O Error amplifier compensation pin
GND 9 5 - Device power supply ground terminal
ISENSE 5 3 I Current sense comparator input
NC 2, 4, 6, 13 - - Do not connect
OUTPUT 10 6 O PWM Output
POWER GROUND 8 - - Output PWM ground terminal
REF 14 8 O Oscillator voltage reference
RT/CT 7 4 I/O Oscillator RC input
VC 11 - - Output PWM positive voltage supply
VCC 12 7 - Device positive voltage supply
VFB 3 2 I Error amplifier input
(1) I = Input; O = Output; I/O = Input or Output