IR HiRel Product Families

 

IR3842M

Highly Efficient Integrated 4A Sync Buck Regulator

Obsolete

Benefits

Greater than 95% Maximum Efficiency

Wide Input Voltage Range 1.5V to 16V

Wide Output Voltage Range 0.7V to 0.9*Vin

Continuous 4A Load Capability

Integrated Bootstrap-diode

High Bandwidth E/A for excellent transient performance

Programmable Switching Frequency up to 1.5MHz

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 temperature

Thermal Protection

Pin compatible option for 8A and 12A devices

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

Specifications

ParameterValue
Base Part StatusObsolete
CircuitSingle Output
IOUT (A)4
Input Voltage (V)1.5 - 16
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 - 1500
Vout (Max)14.0
Vout (Min)0.7
RoHSYes
Halogen-FreeYes
1k Budgetary Pricing1.5
Base Station TelecomYes
Routers SwitchesYes
Server StorageYes
TechnologyPOL
PQFN / 5 x 6 D

Part # IR3842MPBF

Highly Efficient Integrated 4A Sync Buck Regulator

$1.501K Budgetary Pricing (USD):
Packaging OptionsPart NumberStatusStandard Pack Quantity
An IR3842M with Lead-Free Packaging Sample QuantityIR3842MPBFOBSOLETE5
An IR3842M shipped on Tape and ReelIR3842MTRPBFOBSOLETE4000
An IR3842M shipped on Tape and ReelIR3842MTR1PBFOBSOLETE750

Package Support