PWM and Resonant Controllers

UC2851N

Current Mode PWM Controller 500kHz 18-Pin PDIP Tube

Texas Instruments

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.31.00.30

• SVHC

  Yes

• 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)

  -40

• Maximum Operating Temperature (°C)

  85

• Supplier Temperature Grade

  Industrial

• Packaging

  Tube

• Mounting

  Through Hole

• Package Height

  5.08(Max) - 0.51(Min) mm

• Package Width

  6.6(Max) mm

• Package Length

  23.37(Max) mm

• PCB changed

  18

• Standard Package Name

  DIP

• Supplier Package

  PDIP

• Pin Count

  18

• Lead Shape

  Through Hole