IR HiRel Product Families

 

IR3842AM

Highly Efficient Integrated 6A Sync Buck Regulator

Obsolete

Benefits

Wide Input Voltage Range 1.5V to 21V

Wide Output Voltage Range 0.7V to 0.9*Vin

Continuous 6A Load Capability

Integrated Bootstrap-diode

High Bandwidth E/A for excellent transient performance

Programmable Switching Frequency up to 1.2MHz

Programmable Over Current Protection

PGood output

Hiccup Current Limit

Precision Reference Voltage (0.7V, +/-1%)

Programmable Soft-Start

Enable Input with Voltage Monitoring Capability

Enhanced Pre-Bias Start-up

Seq input for Tracking applications

-40°C to 125°C operating junction temperature

Thermal Protection

Multiple current ratings in pin compatible footprint

5mm x 6mm Power QFN Package, 0.9 mm height

Lead-free, halogen-free and RoHS compliant

Specifications

ParameterValue
Base Part StatusObsolete
CircuitSingle Output
IOUT (A)6
Input Voltage (V)1.5 - 21
MSL2
OCP OTP UVLO Pre-Bias Soft Start andPGOOD + EN + SEQ
Output Range (V)0.7 - 0.9*Vin
PackagePQFN / 5 x 6 D
Qual LevelIndustrial
Switch Freq (kHz)250 - 1200
Vout (Max)19.0
Vout (Min)0.7
RoHSYes
Halogen-FreeNo
Digital Home MediaYes
TechnologyPOL
PQFN / 5 x 6 D

Part # IR3842AMPBF

Highly Efficient Integrated 6A Sync Buck Regulator

Packaging OptionsPart NumberStatusStandard Pack Quantity
An IR3842AM shipped on Tape and ReelIR3842AMTR1PBFOBSOLETE750
An IR3842AM sample quantityIR3842AMPBFOBSOLETE5
An IR3842AM shipped on Tape and ReelIR3842AMTRPBFOBSOLETE4000

Package Support