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Dual Synchronous Buck Converter - BD93291EFJ

The BD93291EFJ is a dual synchronous buck converter.It integrates wide input voltage range (8.0V to 26V) synchronous buck converter and low input voltage (Vout1 : 5.0V) synchronous buck converter. The IC also incorporates a new technology called H3RegTM, a Rohm proprietary control method which facilitates ultra-high transient response against changes in load. SLLM (Simple Light Load Mode) technology is also integrated to improve efficiency when powering lighter loads. For protection and ease of use, the IC also incorporates soft start. Space-saving and high efficient switching regulator can be achieved due to built-in N-MOSFET power transistor in HTSOP-J8 package.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
pacote
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
RoHS
BD93291EFJ-E2 Active HTSOP-J8 2500 2500 Taping sim
 
especificações:
Grade Standard
ch 2
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 8.0
Vin1(Max.)[V] 26.0
Vout1(Min.)[V] 4.925
Vout1(Max.)[V] 5.075
Iout1(Max.)[A] 1.7
Vin2(Min.)[V] 5.0
Vin2(Max.)[V] 5.0
Vout2(Min.)[V] 0.8
Vout2(Max.)[V] 4.0
Iout2(Max.)[A] 0.5
SW frequency(Max.)[MHz] 2.5
Light Load mode Yes
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
características:
  • ・ Dual Synchronous Buck Converter in small package.
    ・ standby mode ( Istandby = 0uA )
    ・ High Voltage Synchronous Buck Converter(Vout1)
    - Wide input range(8.0V to 26V) *absolute voltage 30V
    - H3RegTM DC/DC Converter Controller included
    - Output Current 1.7A *1
    - FET on resistance High-side 0.175Ω/Low-side 0.175Ω
    - Internal soft-start function
    - Switching Frequency 300 to 600kHz
    (*According to input/output conditions)
    - Fixed output voltage (5.0V ± 1.5%; Normal Mode)
    ・ Low Voltage Synchronous Buck Converter(Vout2)
    - Input voltage range 5.0V(VOUT1)
    - H3RegTM DC/DC Converter Controller included
    - Output Current 0.5A *1
    - FET on resistance High-side 0.25Ω/Low-side 0.25Ω
    - Internal soft-start function
    - Switching Frequency 1.5M to 2.5MHz
    (*According to input/output conditions)
    - Feedback voltage (0.8V ± 1.5%; Normal Mode)
    ・ Protection Circuits
    Under Voltage Lockout Protection
    Thermal Shutdown
    Over Current Protection
    ・ HTSOP-J8 Package with Exposed thermal PAD.
 
 
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New Products:
 
 
Dados técnicos
Application Note

Thermal Resistance

Application Note

Calculation of Power Loss (Synchronous)

Application Note

Thermal Resistance

Application Note

Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)