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BD99011EFV-ME2

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Rohm Semiconductor

SWITCHING VOLTAGE REGULATORS 2A LOW IQ SYNCH BUCK DC/DC CONV

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Product thumbnail image

BD99011EFV-ME2

Active
Rohm Semiconductor

SWITCHING VOLTAGE REGULATORS 2A LOW IQ SYNCH BUCK DC/DC CONV

Find alt

Description

General part information

BD99011 Series

The BD99011EFV-M is ultra low Iq Step-down DC/DC converters with integrated power MOSFETs for 5V, respectively. The SLLM™ (Simple Light Load Mode) control ensures an ultra low quiescent current and high efficiency at low load situation as well as a high efficiency at high load situations while maintaining a regulated output voltage. The product is compliant with automotive standards and accommodates a maximum voltage of 42V. The minimum input voltage is 3.6 V in order to sustain output at cold cranking conditions. The current mode regulation loop gives a fast transient response and easy phase compensation.The BD99011EFV-M is available in a HTSSOP-B24 package. In an application it requires a small number of external components and small PCB footprint.

Technical Specifications

Parameters and characteristics for this part

SpecificationBD99011EFV-ME2
Current - Output2 A
Frequency - Switching (Max)500 kHz
Frequency - Switching (Min)200 kHz
FunctionStep-Down
GradeAutomotive
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)105 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive
Output TypeFixed
Package FeaturesExposed Pad
Package Length0.22 "
Package Name24-HTSSOP-B, 24-VSSOP
Package Width5.6 mm
QualificationAEC-Q100
Synchronous RectifierYes
TopologyBuck
Voltage - Input (Max)35 V p-p
Voltage - Input (Min)3.6 V
Voltage - Output (Min/Fixed)5 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet
Efficiency of Buck Converter
How to Use the Two-Resistor Model
Compliance with the ELV directive
Precautions for PCB Layout Regarding Common Mode Filters
Phase Compensation Design for Current Mode Buck Converter
Step-down DC-DC converter PCB layout EMC Design guide
Heat Dissipation Effect of Thermal Via in Exposed Pad Type Package
θ<sub>JC</sub> and Ψ<sub>JT</sub>
Capacitor Calculation for Buck converter IC
Method for Determining Constants of Peripheral Parts of Buck DC/DC Converter
Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
PCB Layout Thermal Design Guide
UL94 Flame Classifications of Mold Compound
Factory Information
Method for Calculating Junction Temperature from Transient Thermal Resistance Data
How to Use the Thermal Resistance and Thermal Characteristics Parameters
PCB Layout Techniques of Buck Converter
Considerations for Power Inductors Used for Buck Converters
θ<sub>JA</sub> and Ψ<sub>JT</sub>
Impedance Characteristics of Bypass Capacitor
Diode Selection Method for Asynchronous Converter
Basics of Thermal Resistance and Heat Dissipation
Calculation of Power Dissipation in Switching Circuit
Thermal Resistance
Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
Precautions When Measuring the Rear of the Package with a Thermocouple
Five Steps for Successful Thermal Design of IC
Bootstrap Circuit in the Buck Converter
Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
Solder Joint Rate and Thermal Resistance of Exposed Pad
Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
Three Steps for Successful Design of DC-DC Converters
Resistor Value Table to set Output Voltage of Buck Converter IC
Two-Resistor Model for Thermal Simulation
Design Guide and Example of Stencil for Exposed Pad
Types of Capacitors Used for Output Smoothing of Switching Regulators and their Precautions
PCB Layout Essential Check sheet for Switching Regulator
The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
Cutting-Edge Web Simulation Tool "ROHM Solution Simulator" Capable of Complete Circuit Verification of Power Devices and Driver ICs
What Is Thermal Design
Inductor Calculation for Buck converter IC
Overview of ROHM's Simulation Models(for ICs and Discrete Semiconductors)
Snubber Circuit for Buck Converter IC
Calculation of Power Loss (Synchronous)
Power Supply Sequence Circuit with General Purpose Power Supply IC
Anti-Whisker formation
Judgment Criteria of Thermal Evaluation
HTSSOP-B24 Package Information
AEC-Q101 Automotive Requirements