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TEXAS INSTRUMENTS  UC3854BDW  PFC Controller IC, 10 V to 20 V & 12 mA Supply, 10 V Lockout, 95 % Duty Cycle, 200 kHz, SOIC-16

TEXAS INSTRUMENTS UC3854BDW
Manufacturer Part No:
UC3854BDW
Newark Part No.:
74K4021
Technical Datasheet:
See all Technical Docs

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Product Overview

The UC3854BDW is an enhanced high Power Factor Preregulator provides all of the functions necessary for active power factor corrected preregulators. The controller achieves near unity power factor by shaping the ac input line current waveform to correspond...
  • Controls boost PWM to near-unity power factor
  • Limits line current distortion to <3%
  • World-wide operation without switches
  • Accurate power limiting
  • Fixed-frequency average current-mode control
  • Low-offset current amplifier
  • Integrated current- and voltage-amplifier output clamps
  • Faster and improved accuracy ENABLE comparator
  • Green product and no Sb/Br
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

 

Product Information

UVLO:
10.5V
Supply Voltage Min:
10V
Supply Voltage Max:
20V
Startup Current:
250µA
Operating Supply Current:
12mA
Controller IC Case Style:
SOIC
No. of Pins:
16Pins
Duty Cycle (%):
95%
Frequency:
200kHz
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Packaging:
Each
Product Range:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Power Management;
  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
MSL 2 - 1 year
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

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