UCC28780RTET
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Texas Instruments UCC28780RTET

Part Number:
UCC28780RTET
Manufacturer:
Texas Instruments
Ventron No:
6401679-UCC28780RTET
Description:
1-MHz High Frequency Active Clamp Flyback Controller
ECAD Model:
Datasheet:
ucc28780
Payment:
Payment
Delivery:
Delivery

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Specifications
Texas Instruments UCC28780RTET technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UCC28780RTET.
  • Topology
    Flyback
  • Control mode
    Secondary-side regulation
  • Duty cycle (max) (%)
    99
  • Switching frequency (max) (kHz)
    1000
  • Features
    Input line monitor
  • UVLO thresholds on/off (V)
    17.5/10
  • Operating temperature range (°C)
    -40 to 125
  • Rating
    Catalog
  • Gate drive (typ) (A)
    0.001
Description

UCC28780 is a high-frequency active-clamp flyback controller that enables high-densityAC-to-DC power supplies that comply with stringent global efficiency standards such as DoE Level VIand EU CoC V5 Tier-2. User programmable advanced control law features allow performance to beoptimized for both Silicon (Si) and Gallium Nitride (GaN) power FETs. Direct operation withswitching devices that combine driver and GaN FETs is further enhanced with logic-level gatesignals and enable outputs.

Zero voltage switching (ZVS) is achieved over a wide operating range with advancedauto-tuning techniques, adaptive dead-time optimization, and variable switching frequency controllaw. Using adaptive multimode control that changes the operation based on input and outputconditions, UCC28780 enables high efficiency while mitigating audible noise. With a variableswitching frequency of up to 1 MHz and accurate programmable over-power protection, which providesconsistent power for thermal design across wide line range, the size of passive components can befurther reduced and enable high power density.

UCC28780 works with VDS-sensing synchronous rectifier controllers, such asUCC24612, to achieve higher conversion efficiency andvery compact designs.

Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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