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ST1S40IPUR - Brand New STMicroelectronics IC Chips - Datasheet - Chipdatas

ST1S40IPUR - Brand New STMicroelectronics IC Chips

In Stock:15138 ,Ready for Immediate Shipping
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In Stock: 15138, Ready for Immediate Shipping
Category:IC Chips
Chipdatas Part No.:CD94-ST1S40IPUR
Manufacturer Part No.:ST1S40IPUR
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  • Description

    The ST1S40IPUR is a step-down DC-DC converter designed for applications requiring low output voltage. It has a wide input voltage range of 2.7V to 6V and can supply a current of more than 2A. This converter utilizes high PWM switching frequency of 1.5MHz and small surface-mount components.

    Specifications and features

    - 1.5MHz fixed frequency PWM with current control mode
    - 2A output current capability
    - Typical efficiency: >90%
    - 2% DC output voltage tolerance
    - Two versions available: Power Good or Inhibit
    - Integrated output over-voltage protection
    - Non-switching quiescent current: (typ) 1.5mA over temperature range
    - RDSON (typ) 100mΩ
    - Utilizes tiny capacitors and inductors
    - Operating junction temperature: -30°C to 125°C
    - Available in DFN6 3x3mm exposed pad

    Application Scenarios

    The ST1S40IPUR is ideal for various electronic devices and systems that require a stable and efficient power supply with low output voltage. It can be used in battery-powered devices, portable electronic equipment, automotive applications, and more.



    - Wide input voltage range
    - High efficiency
    - Integrated output over-voltage protection
    - Small form factor
    - Wide operating temperature range


    - None identified

  • Similar parts: 430483 , Click to view
    Attributes Value
    Category IC Chips
    Manufacturer STMicroelectronics
    Product Category IC Chips
    Series ST1S40
    Type Step-Down Regulators
    Packaging Alternate Packaging
    Mounting-Style SMD/SMT
    Package-Case VFQFPN-8
    Operating-Temperature -40°C ~ 150°C (TJ)
    Mounting-Type Surface Mount
    Output-Type Adjustable
    Function Step-Down
    Supplier-Device-Package 8-VFQFPN (4x4)
    Number-of-Outputs 1 Output
    Topology Buck
    Frequency-Switching 850kHz
    Current-Output 3A
    Output-Configuration Positive
    Output Voltage 0.8V
    Voltage-Output-Max 18V
    Synchronous-Rectifier Yes
    Voltage-Input-Min 4V
    Voltage-Input-Max 18V
    Output-Voltage 800 mV to 4 V
    Input-Voltage-MAX 18 V
    Output-Current 4 A
    Switching-Frequency 850 kHz
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  • Shopping guide

    • - 30-day money-back return policy,
    • - 90-day warranty against any manufacturing defects. View more
    Within 30 days from date of shipment. View more

    Delivery period:
    • - Will ship out in 2-3 days
    • - DHL Express: 3-7 business days
    • - DHL eCommerce: 12-22 business days
    • - FedEx International Priority: 3-7 business days
    • - EMS: 10-15 business days
    Shipping fee:
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    • - View in your order page
    Shipping option:
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Additional Information
  • Datasheet: Download ST1S40IPUR
  • Chipdatas Part: CD94-ST1S40IPUR
  • Warehouse: China, Hong Kong
  • Dispatch: Within 24 hours
  • Free Shipping: Yes
  • Prority Shipping: Yes, 3-5 days
  • Last Updated: 2024/06/16 16:47 +0800
    • Full Refund if you don't receive your order
    • Full or Partial Refund , If the item is not as described
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Payment Method
  • The fee is charged according to the rule of PayPal.
  • The fee is charged according to the rule of PayPal.
  • Western Union charge US$0.00 banking fee.
  • We recommend to use bank transfer for large orders to save on handling fees.
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