NCV7680 ON Semiconductor, NCV7680 Datasheet - Page 5

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

Table 1. APPLICATION I/O TRUTH TABLE
* Open Circuit, R
** Pullup resistor to DIAG
*** OPEN CIRCUIT = Any string open
0 = LOW
1 = HIGH
STOP
DIAG
TAIL
Stop Input
0
1
1
0
1
1
HIGHZ
STOP
Current Limit, and Set Back Current Limit down 20%
Open String Occurs
Tail Input
0
0
0
1
1
1
Figure 6. DIAG Timing Diagram
(FB = V
http://onsemi.com
ref
) (Reference Figure 2)
OUTX Current
I
I
PWM
I
I
(1−8)
5
OFF
STOP
STOP
STOP
STOP
Open String Removed
OPEN CIRCUIT***
OPEN CIRCUIT***
DO NOT CARE
Fault State*
NORMAL
NORMAL
−
Open String Occurs
www.DataSheet4U.com
DIAG State
HIGHZ**
HIGH**
HIGH**
HIGH**
LOW
LOW