Datasheet

NCP3066, NCV3066
http://onsemi.com
15
Vcc
GND
Ipk
COMP
CT
GND
SWE
SWC
−LED
+LED
R1
C1
C10
L1
D1
NCP3066
SOIC
C2
IC1
C3
C4
C5
Input
R6
R7
12k
100R
R68
R4
R2
R6
D2
R3
1k0
10k
R15 100R
2n2
Figure 27. Buck Demoboard Application Schematic
ON/OFF
ON/OFF
V
IN
0.1 mF
330 mF
47 mH
3 x 100 mF
Table 5. BILL OF MATERIALS
Designator Qty. Description Value Tolerance Footprint Manufacturer
Manufacturer Part
Number
R1 1 Resistor 0.15R 1% 1206 Susumu RL1632R-R150-F
R2; R5 NU Resisitor 100R 1% 1206 Vishay/Dale CRCW1206100RFKEA
R3 1 Resisitor 1 k 1% 1206 Rohm MCR18EZPF1001
R4 1 Resistor 0.68R 5% 1210 Panasonic - ECG ERJ-14RQJR68U
R6 1 Resisitor 10 k 1% 1206 Rohm MCR18EZHF1002
R7 NU Resisitor 12 k 1% 1206 Rohm MCR18EZPF1202
C1 1 Capacitor
330 mF
20% F8 PANASONIC EEEFK1E331GP
C2 1 Capacitor 100 nF 10% 1206 Kemet C1206C104K5RACTU
C3 1 Capacitor 2.2 nF 10% 1206 Kemet C1206C222K5RACTU
C4, C5, C6 3 Capacitor
100 mF
20% 1210 TDK C4532Y5V1A107Z
IC1 1 Switching
Regulator
NCP3066 - SOIC8 ON Semiconductor NCP3066DR2G
D1 1 Diode MBRS1504 - SMB ON Semiconductor MBRS1504T3G
D2 1 Zener Diode BZX84C8V2 - SOT23 ON Semiconductor BZX84C8V2LT1G
L1 1 Inductor
47 mH
20% DO3316 CoilCraft DO3316P-473MLB