NCV7680 ON Semiconductor, NCV7680 Datasheet - Page 4

• Manufacturer Part Number: NCV7680
• Description: Linear Current Regulator and Controller
• Manufacturer: ON Semiconductor

When using the NCV7680 without the FET ballast transistor, tie the FB Pin to VP through a 10k resistor.
STOP Input
TAIL Input
STOP Input
TAIL Input
R1 limits the current out of STOP/PWM during reverse battery condition.
R6 and R7 values shown yield 10.5 V regulation on V
C1 is for line noise considerations.
C3 is for EMS considerations.
R1
10k
C4
10nF
MRA4003T3G
MRA4003T3G
MRA4003T3G
MRA4003T3G
Figure 4. Application Diagram with External FET Ballast Transistor
R1
10k
C4
10nF
Figure 5. Application Diagram without the FET Ballast Transistor
0.1mF
C1
R3
1k
NTD2955
0.22mF
C2
STRING
10k
R8
R4, 3.09k
R5, 2.21k
http://onsemi.com
C3
100nF
.
OUT1
VP
Ballast Drive
FB
STOP/PWM
DIAG
RSTOP
RTAIL
C3
100nF
4
R4, 3.09k
R5, 2.21k
NCV7680
epad
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
GND
VP
Ballast Drive
FB
STOP/PWM
DIAG
RSTOP
RTAIL
OUT1
NCV7680
epad
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
GND
V
STRING
8.87k
www.DataSheet4U.com
R6
R7
1k
V
ref