STCMB1

STCMB1

Active

STCMB1TR

Transition mode (TM) PFC with X-cap discharge and LLC resonant combo controller

Supply Voltage Max Volt16.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameSO-20

The STCMB1 device embodies a transition mode (TM) PFC, a high voltage double-ended controller for LLC resonant half-bridge, an 800 V-rated high voltage section and the glue logic that supervises the operation of these three blocks.The PFC section uses a proprietary constant on-time control...
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Key features
  • Common features
    • SO20W package
    • 800 V high voltage start-up with integrated input voltage sensing
    • Active input filter capacitor discharge circuitry for reduced standby power compliant with IEC 62368-1 and UL Demko certified
    • Independent debug mode for both converters
  • PFC controller features
    • Enhanced constant on-time PFC with input voltage feedforward, THD optimizer
    • Complete set of protections: ac brown-in/out, inrush control, OVP, OCP, inductor saturation, feedback disconnection
  • LLC controller features
    • Proprietary timeshift control for improved input ripple rejection and dynamic response
    • Half-bridge operation up to 750 kHz with self-adjusting deadtime
    • Complete set of protections: dc brown-out, two-level OCP, hard switching prevention (HSP) function for anti-capacitive mode protection and safe start-up
    • Synchronous burst mode operation with PFC enhances light-load efficiency
In stock
Quantity $ per unit Savings
1-9$3.400%
10-99$3.0610%
100$2.5126%
Contact sales
$3.40
$3.40
Supply Voltage Max Volt16.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameSO-20

The STCMB1 device embodies a transition mode (TM) PFC, a high voltage double-ended controller for LLC resonant half-bridge, an 800 V-rated high voltage section and the glue logic that supervises the operation of these three blocks.The PFC section uses a proprietary constant on-time control...
Read More

Key features
  • Common features
    • SO20W package
    • 800 V high voltage start-up with integrated input voltage sensing
    • Active input filter capacitor discharge circuitry for reduced standby power compliant with IEC 62368-1 and UL Demko certified
    • Independent debug mode for both converters
  • PFC controller features
    • Enhanced constant on-time PFC with input voltage feedforward, THD optimizer
    • Complete set of protections: ac brown-in/out, inrush control, OVP, OCP, inductor saturation, feedback disconnection
  • LLC controller features
    • Proprietary timeshift control for improved input ripple rejection and dynamic response
    • Half-bridge operation up to 750 kHz with self-adjusting deadtime
    • Complete set of protections: dc brown-out, two-level OCP, hard switching prevention (HSP) function for anti-capacitive mode protection and safe start-up
    • Synchronous burst mode operation with PFC enhances light-load efficiency