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See Technical Specifications

UCC28064ADR

PFC IC Discontinuous (Transition) 45kHz 16-SOIC

Manufacturer:

TI
Mfr.Part #:

UCC28064ADR
Datasheet:

UCC28064ADR Datasheet (PDF)
Topology:

Boost
Control mode:

TM
Switching frequency (max) (kHz):

500
UVLO thresholds on/off (V):

10.35 / 9.6
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UCC28064ADR General Description

The UCC28064A interleaved PFC controller has higher power ratings than previously possible. The device uses a Natural Interleaving™ technique. Both channels operate as masters (there is no slave channel) synchronized to the same frequency. This approach enables faster response time, excellent phase-to-phase on-time matching, and transition mode operation for each channel. The device has a burst mode function to get high light-load efficiency. Burst mode eliminates the need to turn off the PFC during light load operation to meet standby power targets. Burst mode eliminates the need for an auxiliary flyback converter when paired with UCC25630x LLC controller and the UCC24624 synchronous rectifier controller.

Expanded system level protections features include input brownout and dropout recovery, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional fail-safe over-voltage protection (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure. Advanced non-linear gain results in rapid, yet smooth response to line and load transient events. Special line-dropout handling avoids significant current disruption. Strong reduction of bias current when not switching during burst mode operation, improves stand-by performance.

Key Features

Input filter and output capacitor ripple-current reduction
- Reduced current ripple for higher system reliability and smaller bulk capacitor
- Reduced EMI filter size
High light-load efficiency
- User adjustable phase management with input voltage compensation
- Burst mode operation with adjustable burst threshold
- Helps enable compliance to EUP Lot6 Tier II, CoC Tier II and DOE Level VI standards
Sensorless current-shaping simplifies board layout and improves efficiency
Input line feed-forward for fast line transient response
Inrush-safe current limiting:
- Prevents MOSFET conduction during inrush
- Eliminates CCM operation and reverse recovery events in output rectifier
Operating temperature range –40°C to +125°C in a 16-pin SOIC package
Create a Custom Design Using the UCC28064A With the WEBENCH^® Power Designer

Specifications

Topology	Boost	Control mode	TM
Switching frequency (max) (kHz)	500	UVLO thresholds on/off (V)	10.35 / 9.6
Vin (max) (V)	21	Features	< 150 W applications, > 750 W applications, Burst mode, Feed-forward Correction, Interleaved, Low power, Programmable soft start
Rating	Catalog	Operating temperature range (°C)	-40 to 125
Duty cycle (max) (%)	99

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Ratings and Reviews

Z**r 02/13/2024

Came quickly, match the description. I did not count how many pieces. From the kit i need only small, large xs, probably throw out. The seller is handsome, all smartly decorated.

O**a 11/26/2023

I order already for the third time. When working, it is heated, but tolerable (it is better to install with a radiator or fan for the computer).

A**n 11/09/2022

Supper fast delivery. All 18 values.