Switching Regulator ICs with Built-in FET (5V) - BD9631GU

BD9631GU is a system switching regulator IC for DSC/DVC applications to generate plural voltage high efficiently from battery. Component for Power FET and phase compensation are embedded so it is suitable for compact type DSC/DVC application.

Please contact us for purchase because there is no distribution Inventory.--- inquiry
* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD9631GU-E2 Active VCSP85H4 2500 2500 Taping Yes
ch 8
Vin1(Min.)[V] 2.5
Vin1(Max.)[V] 5.5
SW frequency(Max.)[MHz] 1.2
Circuit Current(Typ.)[mA] 0.09
Operating Temperature (Min.)[°C] -20
Operating Temperature (Max.)[°C] 85
    • 7ch DC/DC converter, 1ch LDO embedded
      • CH1 Boost - Startup ch,Motor
      • CH2 LDO FET embedded Analog
      • CH3 Buck FET embedded Core
      • CH4 Buck-Boost FET embedded Digital
      • CH5 Buck FET embedded Memory
      • CH6 Boost - LED
      • CH7 Boost FET embedded CCD
      • CH8 Reverse - CCD
    • Low voltage operation 2.5[V]
    • CH1 supply voltage output for internal circuit
    • CH1 PWM / PFM selectable
    • CH3 High speed response by current control
    • CH4 Boost-Buck auto switching
    • CH6,CH7 integrated Boost output shutdown
      • CH7: Back Gate Control Function
      • CH6: Load Switch integrated
    • Soft-start correspondence to each channel ch
      • CH3→CH4 Sequence Control integrated
      • CH7→CH8 2-types Sequence Control integrated
    • Output Current Limiter (CH2,CH3),
      Short Circuit Protection Function (CH4 to CH8) integrated
      Error Amp Phase Compensation integrated
    • Operating Frequency 1[MHz](CH1,CH3 to CH5),
      500[KHz](CH6 to CH8)
Technical Data
Application Note

Thermal Resistance