SLVS033G February   1990  – July 2015 LT1054

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 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 Reference and Error Amplifier for Regulation
      2. 7.3.2 External Oscillator Synchronization
      3. 7.3.3 Output Current and Voltage Loss
      4. 7.3.4 Reference Voltage
    4. 7.4 Device Functional Modes
      1. 7.4.1 Main Operation
      2. 7.4.2 Shutdown
  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 Output Voltage Programming
        2. 8.2.2.2 Capacitor Selection
        3. 8.2.2.3 Output Ripple
        4. 8.2.2.4 Power Dissipation
      3. 8.2.3 Application Curve
    3. 8.3 System Examples
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • P|8
  • DW|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

P Package
8-Pin PDIP
Top View
LT1054 po_p_pack_slvs033.gif
DW Package
16-Pin SOIC
Top View
LT1054 po_dw_pack_slvs033.gif

Pin Functions

PIN I/O DESCRIPTION
NAME PDIP SOIC
FB/SD 1 3 Input Shutdown for low Iq operation or error amp input for regulation
CAP+ 2 4 Input Positive side of CIN
GND 3 5 — Ground
CAP- 4 6 Input Negative side of CIN
VOUT 5 11 Output Regulated output voltage
VREF 6 12 Output Internal Reference Voltage
OSC 7 13 Input Oscillator control pin
VCC 8 14 — Supply pin
NC — 1, 2, 7, 8, 9, 10, 15, 16 — No connect (no internal connection)