FAN5660 Fairchild Semiconductor, FAN5660 Datasheet - Page 6

• Manufacturer Part Number: FAN5660
• Description: Monolithic Inductorless CMOS DC/DC Converter
• Manufacturer: Fairchild Semiconductor

FAN5660
Typical Applications Diagrams
6
-5.0
-4.9
-4.8
-4.7
-4.6
-4.5
-4.4
-4.3
-4.2
-4.1
-4.0
100
70
65
60
55
50
45
40
35
30
50
0
-10
1
0
Iload = 10mA
V+ = 5V
Iload = 80mA
0
V+ = 5.5V
V+ = 1.8V
Output Current vs. Capacitance
Output Voltage vs. Frequency
10
10
(at Voltage Efficiency = 90%)
Oscillator Frequency vs.
Operating Frequency (kHz)
Temperature, FC to Vin
20
Capacitance ( F)
Temperature ( C)
30
20
10
40
30
50
Iload = 1mA
60
70
40
(continued)
V+ = 4V
V+ = 3V
80
100
90
50
0.7
0.6
0.5
0.4
0.3
0.2
0.1
12
10
8
7
6
5
4
3
2
8
6
4
0
-10
1.5
0
-10 deg C
Oscillator Frequency vs. Temperature
Output Voltage Drop vs. Load Current
0
Output Source Resistance vs.
10
25
V+ = 1.5V
2.5
Iout = 50mA
20
25 deg C
Supply Voltage (V)
Load Current (mA)
Temperature ( C)
Supply Voltage
30
50
V+ = 5.5V
V+ = 1.8V
3.5
40
50
75
V+ = 2.5V
V+ = 5.5V
60
REV. 1.0.2 3/28/02
4.5
100
70
V+ = 4.5V
80 deg C
V+ = 3.5V
80
5.5
125
90