NCP3066S3BCKGEVB ON Semiconductor, NCP3066S3BCKGEVB Datasheet - Page 16
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NCP3066S3BCKGEVB
Manufacturer Part Number
NCP3066S3BCKGEVB
Description
EVAL BOARD FOR NCP3066S3BCKG
Manufacturer
ON Semiconductor
Specifications of NCP3066S3BCKGEVB
Design Resources
NCP3066 Buck EVB BOM NCP3066S3BCKGEVB Gerber Files NCPBUCK 3A EVB Schematic
Current - Output / Channel
3A
Outputs And Type
1, Non-Isolated
Voltage - Output
3.2V
Features
Brightness Control
Voltage - Input
12 ~ 35 V
Utilized Ic / Part
NCP3066
Silicon Manufacturer
On Semiconductor
Silicon Core Number
NCP3066
Kit Application Type
Power Management - Voltage Regulator
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
NCP3066S3BCKG
Other names
NCP3066S3BCKGEVBOS
illustrates the basic circuitry in buck topology, which allows
supplying one or two LEDs up to 350 mA consumption. The
TABLE 5 BILL OF MATERIALS shows the small number
of additional parts which are necessary to assembly
Table 6. TEST RESULTS
Line Regulation
Output Ripple
Efficiency
The Figure 27 Buck demoboard Application schematic
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
5
Figure 28. Buck Demoboard Layout
10
Figure 30. Line Regulation
15
INPUT VOLTAGE (V)
1 LED 350 mA
1 LED 100 mA
20
Vin = 8 V to 20 V, Vout = 3.2 V, Iout = 350 mA
Vin = 8 V to 20 V, Vout = 3.2 V, Iout = 350 mA
Vin = 12 V, Vout = 3.2 V, Iout = 350 mA
25
30
http://onsemi.com
35
16
mentioned demoboard. The demoboard based on one layer
PCB and the layout is mentioned in Figure 28 Buck
Demoboard Layout. The Line regulation is mentioned in
Figure 30 Line Regulation. The Figure 31 shows efficiency
of Buck LED Driver.
80
75
70
65
60
55
50
45
40
35
30
5
Figure 29. Buck Demonstration Photo
Figure 31. Efficiency of Buck LED Driver
10
2 LED 350 mA
INPUT VOLTAGE (V)
15
1 LED 100 mA
20
1 LED 350 mA
2 LED 100 mA
25
19 mA
32 mA
62%
30
35