IR HiRel Product Families

 

IR3870M

10A Highly Integrated Wide-Input Voltage, Synchronous Buck Regulator in a PQFN package.

Obsolete

Benefits

Input Voltage Range: 3V to 26V

Output Voltage Range: 0.5V to 12V

Continuous 10A Load Capability

Constant On-Time control

Excellent Efficiency at very low output current levels

Gate drive charge pump option to maximize efficiency at higher output current levels

Compensation Loop not Required

Programmable switching frequency, soft start, and over current protection

Power Good Output

Precision Voltage Reference (0.5V, ±1%)

Enable Input with Voltage Monitoring Capability

Pre-bias Start Up

Under/Over Voltage Fault Protection

Ultra small, low profile 5 x 6mm QFN Package

Lead-free, halogen-free and RoHS compliant

There is a newer version of this part available...

Specifications

ParameterValue
Base Part StatusObsolete
CircuitSingle Output
IOUT (A)10
Input Voltage (V)3.0 - 26
MSL2
OCP OTP UVLO Pre-Bias Soft Start andConstant On-Time + OVP no OTP
Output Range (V)0.5 - 12
PackagePQFN / 5 x 6
Qual LevelIndustrial
Switch Freq (kHz)0 - 1000
RoHSYes
Halogen-FreeYes
1k Budgetary Pricing1.125
PQFN / 5 x 6

Part # IR3870MPBF

10A Highly Integrated Wide-Input Voltage, Synchronous Buck Regulator in a PQFN package.

$1.121K Budgetary Pricing (USD):
DescriptionPart NumberStatusStandard Pack Quantity
An IR3870M with Lead-Free Packaging shipped on Tape and ReelIR3870MTR1PBFOBSOLETE750
BulkIR3870MPBFOBSOLETE5
An IR3870M with Lead-Free Packaging shipped on Tape and ReelIR3870MTRPBFOBSOLETE4000

Package Support