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US3706 - CURRENT MODE PWM POWER SWITCH

General Description

The UTC US3706 combines a dedicated current mode PWM controller with a high voltage power MOSFET.

Low VDD startup current make the power reliable on startup design and a large value resistor could be used in the startup circuit to minimize the standby power.

Key Features

  • S.
  • UTC proprietary frequency hopping technology for.
  • OLP,OVPand OTP for higher security Improved EMI performance.
  • Fixed switch frequency 65kHz.
  • Power-saving mode for high light-load and standby.
  • Low start-up current efficiency.
  • Cycle-by-cycle Current Limiting.
  • Soft Start.
  • Under voltage lockout (UVLO).
  • Dynamic peak current limiting for constant output power.
  • Leading edge blanking on source input.
  • Built-in synchronized slope compe.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD US3706 Preliminary CURRENT MODE PWM POWER SWITCH CMOS IC  DESCRIPTION The UTC US3706 combines a dedicated current mode PWM controller with a high voltage power MOSFET. Low VDD startup current make the power reliable on startup design and a large value resistor could be used in the startup circuit to minimize the standby power. At no load condition, the IC operates in power-saving mode for lower standby power, decreasing frequency for Higher conversion efficiency at light load condition. The UTC US3706 offers complete protection coverage with automatic self-recovery feature including Cycle-by-Cycle current limiting (OCP), over load protection (OLP), over temperature protection (OTP), over voltage protection and VDD under voltage lockout (UVLO).