NCV3065 ONSEMI [ON Semiconductor], NCV3065 Datasheet - Page 14

• Manufacturer Part Number: NCV3065
• Description: Up to 1.5 A Constant Current Switching Regulator for LEDs
• Manufacturer: ONSEMI [ON Semiconductor]

Value of Components
Test Results
+VAUX
ON/OFF
Name
C1
C1, C4, C8
C2, C6
C3
C5
C7
D1
D2
L1
Q2
Line Regulation
Output Ripple
Efficiency
Short Circuit Current
+VIN
GND
J2
J3
J4
J6
1
1
1
1
0R04
R1
0.1 mF
BC807-LT1G
0805
1206 1206 1206 1206 1206 1206
R11
1k2
R2
C4
Test
Value
100 mF, 50 V, Electrolytic Capacitor
100 nF, Ceramic Capacitor, 1206
220 mF, 50 V, Electrolytic Capacitor
2.2 nF, Ceramic Capacitor, 0805
100 pF, Ceramic Capacitor, 0805
1 mF / 50 V, Ceramic Capacitor, 1206
MBRS540LT3G, Schottky Diode
MMSD4148T1G, Diode
22 mH
BC817-LT1G, SOT23
R3
6x 1R0 ±1%R
Q1
R4
Figure 25. Buck Demoboard with External Switch Application Schematic
+
220 mF / 50 V
R5
BC817-LT1G
C2
Q2
1 mF / 50 V
R6
V
V
V
V
in
in
in
in
= 8 V to 35 V, I
= 12 V, I
= 12 V, I
= 12 V, Rload = 0.15 W
R7
C7
o
o
0805
+
10 k
= 3000 mA
= 3000 mA
R9
0.1 mF
C8
o
NCP3065, NCV3065
= 3000 mA
http://onsemi.com
8
7
6
5
N.C.
COMP
I
V
1 k
PK
Condition
CC
NCP3065
R15
SOIC8
14
MMBT3904LT1G
U1
NU
NU
R14
R13
TCAP
SWC
SWE
GND
Name
Q4
Q5
R1
R8
R9
R10
R11
R12, R16
U1
1
2
3
4
Q5
CT
MTB30P06V
Q4
0805
D2
MMSD4148
1.8 nF
C3
C5
Value
MTB30P06V, P-MOS transistor
MMBT3904LT1G
40 mW, Resistor 0.5 W
6k8, Resistor 0805
10k, Resistor 0805
1k, Resistor 0805
1k2, Resistor 0805
150 mW, Resistor 0.5 W
NCP3065, SOIC8
R10
15 k
R8
100 pF
1 k
MBRS140LT3G
PF0504.223NL
0R15 ±1%
R16
< 6%
< 6%
> 78%
D1
L1
1206
0.1 mF
0R15 ±1%
R12
Results
C1
220 mF /
50 V
+
C6
+LED
-LED
GND
J1
J5
J7
1
1
1