IR HiRel Product Families

 

IR3473M

6A Programmable High Freq Sync Buck Regulator with onboard constant on time hysteretic controller and MOSFETs

Obsolete

Benefits

Input Voltage Range: 3V to 27V

Output Voltage Range: 0.5V to 12V

Continuous 6A Load Capability

Constant On-Time Control

Compensation Loop not Required

Excellent Efficiency at Very Low Output Currents

Programmable Switching Frequency and Soft Start

Thermally Compensated Over Current Protection

Power Good Output

Precision Voltage Reference (0.5V, +/-1%)

Enable Input with Voltage Monitoring Capability

Pre-bias Start Up

Thermal Shut Down

Under/Over Voltage Fault Protection

Forced Continuous Conduction Mode Option

Very Small, Low Profile 4mm x 5mm QFN Package

Specifications

ParameterValue
Base Part StatusObsolete
CircuitSingle Output
IOUT (A)6
Input Voltage (V)3.0 - 27
MSL2
OCP OTP UVLO Pre-Bias Soft Start andConstant On-Time + PGOOD + EN + Temp Comp OCP
Output Range (V)0.5 - 12
PackagePQFN / 4 x 5
Qual LevelIndustrial
Switch Freq (kHz)0 - 750
Vout (Max)12.0
Vout (Min)0.5
RoHSYes
Halogen-FreeYes
1k Budgetary Pricing1.375
Digital Home MediaYes
Mobile ComputingYes
Industrial 24V InputYes
Design ToolYes
TechnologyPOL

Notebooks & Portables

Notebook and portable computing solutions range from technologies for AC-DC and DC-DC conversion to discrete MOSFETs.

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Point-of-Load

POL DC-DC solutions include integrated regulators, discrete MOSFETs, power blocks, design tools and reference designs.

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PQFN / 4 x 5

Part # IR3473MTRPBF

6A Programmable High Freq Sync Buck Regulator with onboard constant on time hysteretic controller and MOSFETs

$1.381K Budgetary Pricing (USD):
Packaging OptionsPart NumberStatusStandard Pack Quantity
An IR3473M with Lead Free packaging shipped on Tape and ReelIR3473MTR1PBFOBSOLETE750
An IR3473M with Lead Free packaging shipped on Tape and ReelIR3473MTRPBFOBSOLETE4000

Package Support

Typical Connection Image