FAN5336 Datasheet, PDF (5/9 Pages) Fairchild Semiconductor – 1.5MHz Boost Regulator with 33V Integrated FET Switch

Typical Performance Characteristics
V_IN=3.6V, V_OUT=21V, T_A=25°C, C_IN=10µF, C_OUT=4.7µF, L=6.8µH, C_F=180pF, R₁=160kΩ, R₂=10kΩ unless otherwise noted.
90
85
80
75
70
65
60
55
50
45
40
10
Efficiency vs. Load Current
Vin=2.7V
Vin=3.6V
Vin=5.5V
20 30 40 50 60 70 80 90 100
Load Current (mA)
Load Regulation
21.5
21.3
21.1
20.9
Vin=2.7V
20.7
Vin=3.6V
Vin=5.5V
20.5
10
20
30
40
50
60
70
80
90 100
Load Current (mA)
Figure 4. Efficiency vs. Load Current
Figure 5. Load Regulation
Line Regulation at No Load
22
21.8
21.6
21.4
21.2
21
20.8
20.6
20.4
20.2
20
2.5
3
3.5
4
4.5
5
5.5
Battery Voltage(V)
Figure 6. Line Regulation at No Load
Figure 7. 100mA Load Current Operation
Figure 8. Start-up Response
Figure 9. Load Transient Response
© 2004 Fairchild Semiconductor Corporation
FAN5336 Rev. 1.0.0
5
www.fairchildsemi.com