IRDC3843 International Rectifier, IRDC3843 Datasheet - Page 11

• Manufacturer Part Number: IRDC3843
• Description: BOARD, EVALUATION, IR3843
• Manufacturer: International Rectifier
• Type: DC-DC Voltage Regulatorr

Specifications of IRDC3843

• Svhc: No SVHC (15-Dec-2010)
• Kit Features: Programmable Soft Start, Programmable Over Current Protection, Pre-Bias Start Up
• Mcu Supported Families: IR3843
• Silicon Manufacturer: International Rectifier
• Kit Contents: Board
• Features: Compact, High Performance And Flexible Solution, 600kHz Frequency
• Core Architecture: Power Management -
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL OPERATING WAVEFORMS
Vin=12V, Vcc=5V, Vo=1.8V, Io=0- 3A, Room Temperature, No Air Flow
02/09/10
92
90
88
86
84
82
80
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
0.3
0.3
0.6
0.6
Fig.16: Power loss versus load current
Fig.15: Efficiency versus load current
0.9
0.9
1.2
1.2
IR3843A
1.5
IR3843A
Iout(A)
1.5
Iout(A)
1.8
1.8
2.1
2.1
2.4
2.4
2.7
IRDC3843A
2.7
3
3
11