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UCC3818D .

PFC Controller IC, 12 V to 17 V & 4 mA Supply, 12 V Lockout, 95 % Duty Cycle, 100 kHz, SOIC-16

UCC3818D . - PFC Controller IC, 12 V to 17 V & 4 mA Supply, 12 V Lockout, 95 % Duty Cycle, 100 kHz, SOIC-16

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
UCC3818D .
Order Code:
1417428

Product Overview

The UCC3818D is a BiCMOS Power Factor Preregulator offers new features such as lower start-up current, lower power dissipation, overvoltage protection, a shunt UVLO detect circuitry, a leading-edge modulation technique to reduce ripple current in the bulk capacitor and an improved, low-offset (±2mV) current amplifier to reduce distortion at light load conditions. It provides all the functions necessary for active power factor corrected pre-regulators. This controller achieves near unity power factor by shaping the ac input line current waveform to correspond to that of the ac input line voltage. Average current-mode control maintains stable, low distortion sinusoidal line current. It offers an on-chip shunt regulator with low start-up current, suitable for applications utilizing a bootstrap supply.
  • Controls boost pre-regulator to near-unity power factor
  • Limits line distortion
  • World-wide line operation
  • Over-voltage protection
  • Accurate power limiting
  • Average current mode control
  • Improved noise immunity
  • Improved feed-forward line regulation
  • Leading edge modulation
  • Low-power BiCMOS operation
  • Green product and no Sb/Br

Applications

Power Management

Product Information


:
10.2V

:
12V

:
17V

:
150µA

:
4mA

:
SOIC

:
16Pins

:
95%

:
100kHz

:
0°C

:
70°C

:
-

:
MSL 1 - Unlimited
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