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7.5V to 15V, 2A 1ch Synchronous Buck Converter - BD95821MUV

BD95821MUV is a 1ch synchronous buck converter that can generate output voltage (0.8V to 5.5V) at the input voltage range (7.5V to 15V). Space-saving and high efficient switching regulator can be achieved due to built-in N-MOSFET power transistors. The IC also incorporates H3Reg™ technology, a Rohm proprietary constant ONTIME control mode which facilitates ultra-high transient response against changes in load without external compensation components. Fixed soft start function, power good function, and short circuit / over voltage protection with timer latch functions are incorporated. The BD95821MUV is designed for power supplies for Digital AV Equipment.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD95821MUV-E2 Active VQFN016V3030 3000 3000 Taping Yes
 
Specifications:
Grade Standard
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 7.5
Vin1(Max.)[V] 15.0
Vout1(Min.)[V] 0.8
Vout1(Max.)[V] 5.5
Iout1(Max.)[A] 2.0
SW frequency(Max.)[MHz] 0.8
EN Yes
PGOOD Yes
Operating Temperature (Min.)[°C] -20
Operating Temperature (Max.)[°C] 100
Features:
  • ・Over Current Protection (OCP) – Cycle-by-Cycle
    ・Thermal Shut Down (TSD)
    ・Under-Voltage Lock-Out (UVLO)
    ・Short Circuit Protection (SCP)
    ・Over Voltage Protection (OVP)
    ・Fixed Soft Start (1msec ; typ)
    ・Power Good function
 
 
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Technical Data
Reference Circuits and Bomlist

Reference Circuits and Bomlist

Application Note

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

Application Note

PCB Layout Techniques of Buck Converter

Application Note

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

Application Note

Calculation of Power Loss (Synchronous)

Application Note

Thermal Resistance

Application Note

Considerations for Power Inductors Used for Buck Converters

Application Note

Capacitor Calculation for Buck converter IC

Application Note

Inductor Calculation for Buck converter IC

Application Note

Efficiency of Buck Converter

Application Note

Resistor Value Table to set Output Voltage of Buck Converter IC

Application Note

Thermal Resistance

Application Note

Buck DC/DC Converter Recommended Inductor List

Application Note

Snubber Circuit for Buck Converter IC