FAN4860 Datasheet, PDF (5/15 Pages) Fairchild Semiconductor – 3MHz, 5V Output Synchronous TinyBoost™ Regulator

Typical Characteristics
Unless otherwise specified, circuit per Figure 1, 3.6VIN, TA=25°C.
100
95
95
92
90
85
80
75
0
2.5 Vin
3.3 Vin
3.6 Vin
4.5 Vin
50
100
150
200
250
300
Load Current (mA)
Figure 6 Efficiency vs. VIN
50
2.5 Vin
3.3 Vin
25
3.6 Vin
4.5 Vin
0
-25
-50
-75
-100
0
50
100
150
200
250
300
Load Current (mA)
Figure 8 Line and Load Regulation
4000
89
86
83
80
0
50
100
150
200
Load Current (mA)
-40C
+25C
+85C
250
300
Figure 7 Efficiency vs. Temperature, 3.6VIN
50
-40C
+25C
25
+85C
0
-25
-50
-75
-100
0
50
100
150
200
250
300
Load Current (mA)
Figure 9 Load Regulation vs. Temperature, 3.6VIN
3200
2400
1600
800
0
0
2.5 Vin
3.6 Vin
4.5 Vin
50
100
150
200
250
300
Load Current (mA)
Figure 10 Switching Frequency
Figure 11 Quiescent Current
© 2009 Fairchild Semiconductor Corporation
FAN4860 • Rev. 1.0.3
5
www.fairchildsemi.com