IRDC3812 International Rectifier, IRDC3812 Datasheet - Page 11
IRDC3812
Manufacturer Part Number
IRDC3812
Description
BOARD EVAL SYNC BUCK CONVERTER
Manufacturer
International Rectifier
Specifications of IRDC3812
Silicon Manufacturer
International Rectifier
Kit Application Type
Power Management - Voltage Regulator
Application Sub Type
Synchronous Buck Converter
Features
Programmable Soft Start, Programmable
Rohs Compliant
Yes
TYPICAL OPERATING WAVEFORMS
Vin=12V, Vo=0.75V, Io=0- 4A, Room Temperature, No Air Flow
Rev 0.1
01/07/2008
75
70
65
60
55
50
45
40
35
30
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.5
0
Efficiency Vcc=Vin=12V
Power Loss Vcc=Vin=12V
Fig.15: Efficiency versus load current
Fig.16: Power loss versus load current
1
1.5
Load Current (A)
Load Current (A)
2
Efficiency Vin=12V@ Vcc=5V
2.5
Power Loss Vin=12V @ Vcc=5V
3
IRDC3812
3.5
4
11