High Efficiency Synchronous Step-down DCDC Converter, SCT2280 Replace MPQ8633.
FEATURES

 Wide 4.5V-18V Input Voltage Range

 0.6V-7V Output Voltage Range

 8A Continuous Output Current

 Integrated 25mΩ/12mΩ Rdson of HS/LS Power MOSFETs

 Fixed 1ms Soft-start Time

 Selectable 400KHz, 800KHz and 1.2MHz Switching 

  Frequencies

 Selectable PFM, USM and PWM Operation Modes

 Cycle-by-Cycle Current Limiting

 Output Over-Voltage Protection

 Over-Temperature Protection

 Available in a QFN 12-leads 2mmx3mm Package
















PIN CONFIGUTION
优势替代
MPQ8633 MPQ8633.pdf

No.10210

FEATURES

 Wide Input Voltage Range from 2.7 V: 

   2.7 V to 16 V with External 3.3 V Bias, 

   4 V to 16 V with Internal Bias or External 3.3 V Bias 

 Differential Output Voltage Remote Sense

 Programmable Accurate Current Limit Level

 12 A Output Current

 Low RDS(ON) Integrated Power MOSFETs

 Proprietary Switching Loss Reduction Technique

 Adaptive COT for Ultrafast Transient Response 

 Stable with Zero ESR Output Capacitor 

• 0.5% Reference Voltage over 0°C to 

  +70°C Junction Temperature Range

 1% Reference Voltage from -40°C to 

  +125°C Junction Temperature Range

 Selectable Pulse Skip or Forced CCM Operation

 Excellent Load Regulation

 Output Voltage Tracking

 Output Voltage Discharge

 PGOOD Active Clamped Low Level during Power Failure

 Programmable Soft-Start Time from 1 ms 

 Pre-Bias Start-Up 

 Selectable Switching Frequency from 600 kHz, 800 kHz, 

  and 1000 kHz

 Non-Latch OCP, UVP, UVLO, Thermal Shutdown, and 

  Latch-Off for OVP.

 Output Adjustable from 0.6 V to 90%*Vin, up to 5.5 V Max.

 Available in a QFN 3mm x 4mm Package

PIN CONFIGUTION
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