Datasheet

NCP3065, NCV3065
http://onsemi.com
11
V
OUT
= 7.2 V, No Output Cap
Figure 18. 1.5 A Buck Demoboard Layout
V
IN
, INPUT VOLTAGE (V)
4 8 12 16 20 28 36
EFFICIENCY (%)
76
72
68
64
60
56
24 32
88
84
80
V
OUT
= 3.6 V, Output Cap 100 mF
V
OUT
= 7.2 V, Output Cap 100 mF
Figure 19. Efficiency vs. Input Voltage for the 1.5 A
Buck Demo Board at I
out
= 700 mA, T
A
= 255C,
Without Output Capacitor
V
IN
, INPUT VOLTAGE (V)
4 8 12 16 20 28 36
EFFICIENCY (%)
76
72
68
64
60
24 32
88
84
80
V
OUT
= 3.6 V, No Output Cap
V
IN
, INPUT VOLTAGE (V)
4 8 12 16 20 28 36
EFFICIENCY (%)
76
72
68
64
60
24 32
88
84
80
V
OUT
= 3.6 V, Output Cap 100 mF
V
OUT
= 7.2 V, Output Cap 100 mF
Figure 20. Efficiency vs. Input Voltage for the 1.5 A
Buck Demo Board at I
out
= 350 mA, T
A
= 255C, with
100 mF Output Capacitor
Figure 21. Efficiency vs. Input Voltage for the 1.5 A
Buck Demo Board at I
out
= 700 mA, T
A
= 255C, with
100 mF Output Capacitor