Texas Instruments UCC28056DBVTG4

Manufacturer No:

UCC28056DBVTG4

Manufacturer:

Texas Instruments

Package:

Description:

6-pin high performance CRM/DCM PFC controller

Quantity:

In Stock :5423

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Expected Shipping：Thu, May 7 - Fri, May 8, 2026

Lead Time：Inquire about availability

Date Code：Within 2 Years

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UCC28056DBVTG4 Information

Texas Instruments UCC28056DBVTG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UCC28056DBVTG4.

Type
Parameter

Rating
Catalog

Topology
Boost, PFC controller

Vin (max) (V)
34

Control mode
TM

Features
< 150 W applications, Audible Noise Minimization, Low power, OVP, Overvoltage protection, Peak current mode, Programmable soft start, Single-phase, Transition Control Mode, USB C/PD compatible

Operating temperature range (°C)
-40 to 125

Duty cycle (max) (%)
1

Package
SOT-23 (DBV)

Pins
6

Size
8.12 mm² 2.9 x 2.8

Type
Parameter

REACH Status
Yes

RoHS Status
RoHS Compliant

Download datasheets and manufacturer documentation for Texas Instruments UCC28056DBVTG4.

The UCC28056 device drives PFC boost stages based on an innovative mixed mode method that operates in transition mode (TM) at full load and transitions seamlessly into discontinuous conduction mode (DCM) at reduced load, automatically reducing switching frequency. This device incorporates burst mode operation to further improve light load performance, enabling systems to meet challenging energy standards while eliminating the need to switch off the PFC. UCC28056 can drive a PFC power stage up to 300 W, ensuring sinusoidal line input current with low distortion, close to unity power factor. When used with the LLC controller UCC256403/4, and dual synchronous rectifier controller UCC24624 less than 80 mW system standby power can be achieved, enabling PFC always on architecture and eliminating the need for an auxiliary converter. This with FET Drain valley turn-on with simple boost inductor allows fewest component count and reduced system cost.

Ultra-low no-load input power enables < 80-mW standby power at 230 V_AC in PFC+LLC system
Excellent light load efficiency and high efficiency over wide range of load due to multi-mode TM and DCM control
Enables low system cost through FET drain valley synchronized turn-on which eliminates need for second winding on the boost inductor
Enables compliance to green power standards without disabling PFC
- EuP Lot 6 Tier 2, CoC Ver. 5 Tier 2, Energy Star Ver. 6.1, DoE Level VI
Burst mode with soft-entry and soft-exit periods enables ultra-low audible noise output
Enhanced error amplifier, responds rapidly to load steps without degrading input current distortion
User adjustable valley delay ensures valley switching
Low start-up current consumption (<46 µA)
Wide VCC range 8.5 V to 34 V
Cycle-by-cycle current limit
Second independent output over-voltage protection
Integrated over-temperature protection
Create a custom design using the UCC28056 device with the WEBENCH^® Power Designer