Read Panasonic KX-NT400RU Service Manual online
87
KX-NT400RU
13.1.5. IC120 (LED driver)
Pin.No.
Terminal Name
I/O Setting
Contents of Control
Remark
1
VDET
I
Voltage detect
2
NC
-
No connect
3
GND1
-
Ground
4
SW
O
Gate control of switching transistor
5
SENSEP
I
Over current detection(+)
6
TEST
I
Test input
7
SENSEN
I
Over current detection(-)
8
GND2
-
Ground
9
ISETH
I
Current setting for PWMDRV = “H”
10
ISETL
I
Current setting for PWMDRV = “L”
11
PWMDRV
I
PWM input for Driver
12
LED1
I
Sink terminal for current driver
13
LED2
I
Sink terminal for current driver
14
LED3
I
Sink terminal for current driver
15
GND3
-
Ground
16
LED4
I
Sink terminal for current driver
17
LED5
I
Sink terminal for current driver
18
LED6
I
Sink terminal for current driver
19
FAILSEL
I
MII Receive Clock Output
20
GND4
-
Ground
21
RSTB
I
Reset input
22
VREG
O
Regurator output
23
PWMPOW
I
PWM input for power on/off
24
VBAT
I
Voltage supply
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