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  • SC3005BSEER

  • SC3005BSEER

    SC3005 is a high performance, multi-mode fly-back PWM
    controller (CCM/QR/DCM). The controller built-in X-cap
    discharge function through HV pin, and safely discharge
    the X2 capacitors when the AC line is removed.
    Furthermore, extremely low standby power consumption
    and super-fast start-up time can be obtained by HV pin.
    SC3005 provides an adaptive switching frequency foldback
    to achieve higher efficiency in the whole loading
    range. At heavy load or full load, it operates up to
    maximum switching frequency. When loading decreases,
    it operates in green mode with valley switching for high
    efficiency. And at no load, the IC will operate in Burst
    mode to reduce power consumption.
    SC3005 provides functions of low start-up current, fast
    start-up, low standby power consumption. The burst mode
    with extremely low operation current (240uA) and
    significantly reduces standby power consumption to meet
    the efficiency regulations.
    The controller integrates a boost circuit, which is
    especially suitable for applications with a wide output
    voltage range, reducing power consumption and greatly
    reducing peripheral devices.
    SC3005 integrated the adaptive over current protection
    (AOCP), which allows controlling the maximum output
    current from primary-side. The AOCP is specially
    designed for USB-PD solutions, together with PD
    controller, such as SC21xx serials. The AOCP can reduce
    the current stress of secondary synchronous rectification.
    The SC3005 offers comprehensive protection to prevent
    the circuit from damage under abnormal conditions.
    Furthermore, the features of frequency jittering and smart
    driving function can minimize the noise and improve EMI
    performance.  

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商品描述

SC3005 is a high performance, multi-mode fly-back PWM
controller (CCM/QR/DCM). The controller built-in X-cap
discharge function through HV pin, and safely discharge
the X2 capacitors when the AC line is removed.
Furthermore, extremely low standby power consumption
and super-fast start-up time can be obtained by HV pin.
SC3005 provides an adaptive switching frequency foldback
to achieve higher efficiency in the whole loading
range. At heavy load or full load, it operates up to
maximum switching frequency. When loading decreases,
it operates in green mode with valley switching for high
efficiency. And at no load, the IC will operate in Burst
mode to reduce power consumption.
SC3005 provides functions of low start-up current, fast
start-up, low standby power consumption. The burst mode
with extremely low operation current (240uA) and
significantly reduces standby power consumption to meet
the efficiency regulations.
The controller integrates a boost circuit, which is
especially suitable for applications with a wide output
voltage range, reducing power consumption and greatly
reducing peripheral devices.
SC3005 integrated the adaptive over current protection
(AOCP), which allows controlling the maximum output
current from primary-side. The AOCP is specially
designed for USB-PD solutions, together with PD
controller, such as SC21xx serials. The AOCP can reduce
the current stress of secondary synchronous rectification.
The SC3005 offers comprehensive protection to prevent
the circuit from damage under abnormal conditions.
Furthermore, the features of frequency jittering and smart
driving function can minimize the noise and improve EMI
performance.  

Internal soft start Integrated high-voltage startup circuit with brown in/out detection Integrated x-cap discharge function High Efficiency ➢ CCM @ Heavy Load and Low Line ➢ Valley switching operation @ Green mode and High Line ➢ Burst Mode @ Light Load & No Load Ultra-low operation current @Burst mode/Fault Mode Adaptive over current protection Adaptive loop gain compensation Frequency Jitter for EMI improvement Driver capability: 300mA/-600mA Comprehensive Protection ➢ VDD over voltage protection ➢ VDD under voltage protection ➢ Cycle by cycle current limiting ➢ Two level over current protection ➢ Output over voltage protection ➢ Output short protection ➢ Over Load protection ➢ Brown in/out with auto-recovery SOP8 package available