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Product Variant Information section
Product Specification Section
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现货数量: 0

在途数量: 0
工厂库存:工厂库存: 0
工厂货期: 20 周
起订量: 4,500
递增量: 4,500
数量 价格
4,500+ ¥6.1021

¥ 27,459.45



Attributes Table
Topology Buck
Input Voltage 5.5V
Output Current-Max 4A
Output Voltage Range 0.8V to 5.5V
Output Type Adjustable
Switching Frequency-Max 1.9MHz
Operating Temp Range -40°C to +150°C
Duty Cycle-Max 100%
No. of Outputs 1
Quiescent Current 1200µA
Storage Temperatue Range -55°C to +150°C
Load Regulation (%) 0.6%

The ST1S32PUR is a PWM synchronous step-down regulator with internally compensated 1.5 MHz fixed-frequency.


  • 4 A DC output current
  • 2.8 V to 5.5 V input voltage
  • Output voltage adjustable from 0.8 V
  • 1.5 MHz switching frequency
  • Internal soft-start and enable
  • Integrated 60 mΩ and 45 mΩ power mosfets
  • All ceramic capacitor
  • Power Good
  • Cycle-by-cycle current limiting
  • Current foldback short-circuit protection


  • μP/ASIC/DSP/FPGA core and I/O supplies
  • Point of Load for STB, TV, DVD
  • Optical storage and hard disk drives
  • Printers and audio/graphic cards

View the Available ST1S series of switching regulators