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Description
The QST1105 is a type of IC Chip under the Electronic Component Model, designed as a 20MHz X-EMI™- enabled step-down regulator optimized for power low voltage rails from 2.7 to 5.5V input voltage. It features X-EMI™ inductor technology, which enables inductors to be drawn directly on the PC board. This technology meets or exceeds the EMI performance of chip inductors and eliminates the need for discrete inductors.
Specifications and features
- Patented X-EMITM Inductor Technology
- Enables Trace Inductors in PC Board Material
- Excellent EMI Performance
- Efficiency up to 90%
- 19µA Quiescent Current under Very Light Loads
- Wide Input Voltage Range — 2.7V to 5.5V
- Adjustable Output Voltage Down to 1.0V
- Output DC Current — up to 650mA
- High Light-load Efficiency via Automatic PSAVE Mode
- Ultra-fast Transient Response — <µs
- Temperature Range — -40 to +85°C
- Shutdown Current — 0.1µA (typical)
- Requires Tiny 220nH Inductor
- Requires Only 1μF of Output Capacitance
- External Switching Frequency Synchronization
- Protection Features Including
- Over-Current Protection
- Output Short-Circuit Protection
- Thermal Shutdown Protection
- Offered in SOIC 8 Lead Package
- Lead-free, halogen-free, and RoHS/WEEE Compliant
- AEC-Q100 Qualified Version Available
Application Scenarios
The QST1105 can be used in various applications such as HDTV, set-top boxes, gaming consoles, POL applications, White Goods, and automotive AEC-Q100 Qualified Applications.
Comparison
Advantages- Eliminates the need for discrete inductors
- Excellent EMI Performance
- Efficiency up to 90%
- Requires Tiny 220nH Inductor and only 1μF of Output Capacitance
- Uni- or Bi-directional and Automatic PSAVE Mode
Disadvantages- Typically 19µA Quiescent Current
- Requires X-EMI™ Inductor Technology
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Datasheet
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Shopping guide
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:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
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- - Wire transfer, include Local bank transfer.
- - Western Union.
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Additional Information
- Datasheet: Download QST1105
- Chipdatas Part: CD89-QST1105
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 17:54 +0800
Refund
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- 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
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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