SLVS052I April   1988  – September 2016 TL594

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
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 5-V Reference Regulator
      2. 8.3.2 Undervoltage Lockout
      3. 8.3.3 Oscillator
      4. 8.3.4 Dead-Time Control
      5. 8.3.5 Comparator
      6. 8.3.6 Pulse-Width Modulation (PWM)
      7. 8.3.7 Error Amplifiers
      8. 8.3.8 Output-Control Input
      9. 8.3.9 Output Transistors
    4. 8.4 Device Functional Modes
  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 Input Power Source
        2. 9.2.2.2 Control Circuits
          1. 9.2.2.2.1 Oscillator
          2. 9.2.2.2.2 Error Amplifier
          3. 9.2.2.2.3 Current-Limiting Amplifier
          4. 9.2.2.2.4 Soft Start
          5. 9.2.2.2.5 Setting the Dead Time
        3. 9.2.2.3 Inductor Calculations
        4. 9.2.2.4 Output Capacitance Calculations
        5. 9.2.2.5 Transistor Power-Switch Calculations
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Feedback Traces
      2. 11.1.2 Input or Output Capacitors
      3. 11.1.3 Compensation Components
      4. 11.1.4 Traces and Ground Planes
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|16
  • NS|16
  • N|16
  • D|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

D, N, NS, or PW Package
16-Pin SOIC, PDIP, SO, or TSSOP
Top View

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
1 1IN+ I Noninverting input to error amplifier 1
2 1IN– I Inverting input to error amplifier 1
3 FEEDBACK I Input pin for feedback
4 DTC I Dead-time control comparator input
5 CT — Capacitor terminal used to set oscillator frequency
6 RT — Resistor terminal used to set oscillator frequency
7 GND — Ground
8 C1 O Collector terminal of BJT output 1
9 E1 O Emitter terminal of BJT output 1
10 E2 O Emitter terminal of BJT output 2
11 C2 O Collector terminal of BJT output 2
12 VCC — Positive supply
13 OUTPUT CTRL I Selects single-ended, parallel output, or push-pull operation
14 REF O 5-V reference regulator output
15 2IN– I Inverting input to error amplifier 2
16 2IN+ I Noninverting input to error amplifier 2