PWM and Resonant Controllers

UC3851DW

Current Mode PWM Controller 500kHz 18-Pin SOIC Tube

Texas Instruments

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Obsolete

• HTS

  UC3851DW

• Automotive

  No

• PPAP

  No

• Type

  Current Mode PWM Controller

• Control Method

  Current/Voltage Mode PWM Controller

• Topology

  Boost|Buck|Flyback|Forward

• Number of PWM Outputs

  1

• Maximum Switching Frequency (kHz)

  500

• Maximum Duty Cycle (%)

  46

• Rise Time (ns)

  50

• Fall Time (ns)

  50

• Maximum Supply Current (mA)

  21

• Maximum Power Dissipation (mW)

  1000

• Adjustable Output

  No

• On/Off Pin

  No

• Synchronous Pin

  No

• Minimum Operating Temperature (°C)

  0

• Maximum Operating Temperature (°C)

  70

• Supplier Temperature Grade

  Commercial

• Packaging

  Tube

• Mounting

  Surface Mount

• Package Height

  2.35(Max) mm

• Package Width

  7.6(Max) mm

• Package Length

  11.75(Max) mm

• PCB changed

  18

• Standard Package Name

  SO

• Supplier Package

  SOIC

• Pin Count

  18

• Lead Shape

  Gull-wing