IR3477M infineon _ BDTIC a Leading Distributor in China

IR3477M

15A Programmable High Freq Sync Buck Regulator with onboard constant on time hysteretic controller and MOSFETs

Parametric	IR3477M
Iout	15.0A
Input Voltage min max	3.0V 27.0V
Output Voltage min max	0.5V 12.0V
Features	Constant On-Time + PGOOD + EN + Temp Comp OCP
Package	PQFN / 5 x 6 G
Switching Frequency min max	0.0kHz 750.0kHz
Technology	POL
Type	Single Output
Design Tool	Yes
Industrial 24V Input	Yes
Moisture Sensitivity Level	2
Qualification	Industrial

Sales Product Name	IR3477M
OPN	IR3477MTR1PBF
Product Status	discontinued
Package Name	PQFN-22L (5 X 6)
Completely lead free	yes
Halogen free	yes
RoHS compliant	yes
Packing Size	750
Packing Type	TAPE & REEL
Moisture Level	2

OPN	IR3477MTRPBF
Product Status	active
Package Name	PQFN-22L (5 X 6)
Completely lead free	yes
Halogen free	yes
RoHS compliant	yes
Packing Size	4000
Packing Type	TAPE & REEL
Moisture Level	2

Benefits:

Input Voltage Range: 3V to 27V
Output Voltage Range: 0.5V to 12V
Continuous 15A 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
Small, Low Profile 5mm x 6mm QFN Package

Target Applications:

Notebooks Portables
Point of Load

Diagrams

Data Sheet

Title	Size	Date	Version
Data Sheet - IR3477M,EN	899 KB	11 May 2010

Evaluation Boards

Board	Family	Description	Status
IRDC3477		Featuring IR3477 Voltage Regulator in a very small 5x6 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 15A.IR3477M	active

EN IR3477M

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