ncp3064b ON Semiconductor, ncp3064b Datasheet - Page 15

• Manufacturer Part Number: ncp3064b
• Description: 1.5 A, Step-up/down/ Inverting Switching Regulator With On/off Function
• Manufacturer: ON Semiconductor

Table 9. TEST RESULTS
Line Regulation
Load Regulation
Output Ripple
Efficiency
Figure 25. Buck Demoboard with External
Figure 27. Efficiency vs. Output Current Current for Buck Demoboard with External PMOS Transistor
PMOS Transistor Layout
V
V
V
V
in
in
in
in
= 9 V to 15 V, V
= 12 V, V
= 12 V, V
= 12 V, V
90
85
80
75
70
65
60
0
out
out
out
= 3.3 V, I
= 3.3 V, I
= 3.3 V, I
0.5
V
out
in
= 3.3 V, I
= 10 V
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V
OUTPUT CURRENT (A)
out
out
out
in
1.0
= 16 V
= 0.5 to 3.0 A
= 0.5 to 3.0 A
= 2 A
out
15
= 2 A
1.5
Figure 26. Buck Demoboard with External
2.0
2.5
PMOS Transistor Photo
3.0
< 300 mV Peak - Peak
10 mV
8 mV
82%