NCP3065 ON Semiconductor, NCP3065 Datasheet - Page 11

• Manufacturer Part Number: NCP3065
• Description: Up to 1.5 A Constant Current Switching Regulator for LEDs
• Manufacturer: ON Semiconductor

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