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Step-down Switching Regulators with Built-in Power MOSFET - BD9G101G

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Internal high-side 42V Power MOSFET. It provides 0.5A DC output with small SOT23 package. Operating frequency is fixed 1.5MHz, allowing the use of small inductor and ceramic capacitor. Phase compensation components is built in. The BD9G101G is available in SOT-23-6(SSOP6) package.

Part Number Status Datasheet Package Unit Quantity Minimum Package Quantity Packing Type Constitution Materials List RoHS Distribution Inventory
BD9G101G-TR Active Datasheet SSOP6 3000 3000 Taping inquiry Yes Buy Sample
Technical Data
Part Explanation

 For ICs

Application Note

 Capacitor Calculation for Buck converter IC

Application Note

 Inductor Calculation for Buck converter IC

Application Note

 Resistor Value Table to set Output Voltage of Buck Converter IC

Application Note

 Thermal Resistance

Application Note

 PCB Layout Techniques of Buck Converter

Application Note

 The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit

Specifications:   Features:   Pin Configuration:
Grade Standard
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 6.0
Vin1(Max.)[V] 42.0
Iout1(Max.)[A] 0.5
SW frequency(Max.)[MHz] 1.7
EN Yes
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 105
  • ・ High and Wide Input Range (VCC=6V~42V)
    ・ 45V/800mΩ Internal Power MOSFET
    ・ 1.5MHz Fixed Operating Frequency
    ・ Feedback Pin Voltage 0.75V±1.5%
    ・ Internal compensated
    ・ Internal Over Current protection, Under Voltage Locked Out, Thermal shutdown
    ・ 0μA Shutdown Supply Current
    ・ 6-Lead SOT-23 package(SSOP6)
  • N/A
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