FAN5066 Datasheet, PDF (5/18 Pages) Fairchild Semiconductor – Ultra Low Voltage Synchronous DC-DC Controller

PRODUCT SPECIFICATION
FAN5066
Typical Operating Characteristics
(VCCA, VCCD = 5V, fOSC = 280 KHz, and TA = +25°C using circuit in Figure 1, unless otherwise noted)
Efficiency vs. Output Current
80
70
60
50
40
30
20
0.1 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3
Output Current (A)
0.895
Load Regulation VOUT = 0.9V
0.890
0.885
0.880
0.875
0.870
0
0.5
1
1.5
2
2.5
3
Output Current (A)
Output Voltage vs. Output Current,
R_SENSE = 6mΩ
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1
2
3
4
5
Output Current (A)
1250
1050
850
650
450
250
50
18
Oscillator Frequency vs. C_EXT
39
75
150
300
560
C_EXT (pf)
REV. 2.1.4 11/13/01
5