IRDC3812 International Rectifier, IRDC3812 Datasheet - Page 11

• 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