SLOS437R April   2004  – April 2024 TL103W , TL103WA , TL103WB

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 Electrical Characteristics: OP AMP1 (VREF at Noninverting input)
    6. 5.6 Electrical Characteristics: OP AMP2 (Independent Amplifier)
    7. 5.7 Typical Characteristics: TL103WB
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Internal Reference
      2. 6.3.2 Input Common Mode Range
      3. 6.3.3 EMI Rejection
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Isolated Flyback CC/CV Feedback
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1 Constant Current Circuit
          2. 7.2.1.2.2 Constant Voltage Circuit
      2. 7.2.2 Constant Current Sink
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics: OP AMP1 (VREF at Noninverting input)

VCC+ = 5V, VCC- = GND, TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS TA MIN TYP MAX UNIT
AMPLIFIER
VIO Input offset voltage VICM = 0V  TL103W ±1 ±4 mV
Full range ±5
TL103WA ±0.5 ±3.0
Full range ±5
TL103WB ±0.3 ±2
Full range ±2.5
αVIO Input offset-voltage drift TL103W/TL103WA Full range ±7 µV/°C
TL103WB Full range ±2
IIB Input bias current (negative input) TL103W/TL103WA -20 nA
TL103WB -15
AVD Large-signal voltage gain VCC+ = 15V, RL = 2kΩ, VICM = 0 V TL103W/TL103WA 100 V/mV
TL103WB 210
PSRR Supply-voltage rejection ratio VCC+ = 5V to 30V, VICM = 0V TL103W/TL103WA 65 100 dB
TL103WB 99 114
IO Output current VCC+ = 15V, VO = 2V, VID = 1V Source 20 40 mA
Sink TL103W/TL103WA 10 12
TL103WB 10 24
VCC+ = 15V, VO = 0.2V, VID = -1V Sink TL103W/TL103WA 12 50 μA
TL103WB 60 100
ISC Short-circuit to GND VCC+ = 15V ±40 ±68 mA
VO Voltage output swing from rail VCC+ = 30V, RL = 2kΩ Positive Rail (VCC+) TL103W/TL103WA 26 27 V
Full range 26
TL103WB 27.4 28.3
Full range 27.4
VCC+ = 30V, RL = 10kΩ Positive Rail (VCC+) TL103W/TL103WA 27 28
Full range 27
TL103WB 27.6 28.6
Full range 27.6
RL = 10kΩ Negative Rail (VCC-) 5 20 mV
Full range 20
SR Slew rate at unity gain VCC+ = 15V, CL = 100pF, RL = 2kΩ, VI = 0.5V to 2V, unity gain TL103W/TL103WA 0.2 0.4 V/µs
TL103WB 0.2 0.5
GBW Gain bandwidth product VCC+ = 30V, VI = 10mV, CL = 100pF, RL = 2kΩ, f = 100kHz TL103W/TL103WA 0.5(1) 0.9 MHz
VCC+ = 36V, VI = 10mV, CL = 100pF, RL = 2kΩ, f = 100kHz TL103WB 0.7(1) 1.2
THD Total harmonic distortion VCC+ = 30V, VO = 2VPP, CL = 100pF, RL = 2kΩ, f = 1kHz, AV = 20dB TL103W/TL103WA 0.02 %
VCC+ = 36V, VO = 2VPP, CL = 100pF, RL = 2kΩ, f = 1kHz, AV = 20dB TL103WB 0.005
ICC Total supply current, excluding cathode-current reference (both amplifiers) VCC+ = 5V, no load TL103W/TL103WA 0.7 1.2 mA
VCC+ = 30V, no load Full range 2
VCC+ = 5V, no load TL103WB 0.55 0.77
VCC+ = 36V, no load Full range 1.35
VOLTAGE REFERENCE
Vref Reference Voltage IK = 10mA TL103W 2.482 2.5 2.518 V
Full Range 2.465 2.535 V
TL103WA/TL103WB 2.489 2.5 2.511 V
Full Range 2.474 2.526 V
ΔVref Reference input voltage deviation over temperature range IK = 10mA TL103W Full Range 7 35(1) mV
TL103WA/TL103WB Full Range 7 26(1) mV
Imin Minimum cathode current for regulation TL103W/TL103Wx 0.5 1 mA
TL103WB 0.2 1
|ZKA| Dynamic impedance IKA = 1mA to 100mA, f < 1kHz 0.45 0.8 Ω
(1) Not tested in production, limits set by characterization and simulation.