1-16 (No.49858)
SECTION 4
Description of major ICs
4.1 AN80T07 (IC901) : Regulator
• Block diagram
• Pin function
Pin No.
Symbol
Function
1
SW5V Output
When Mode 1 pin is "M", "H" SW output is VDD -0.7V (Io=100mA min).
2
COMP Output
When ACC input pin is "H" COMP Output is VDD -0.7V (Io=100mA min).
L: COMP Output OFF and H: COMP Output ON
5.7V Output voltage for a microcontroller (Io=100mA min).
NC pin
3 Input "L", "M", "H" control pin
When Mode 1 pin is "H" CD output is 8V (Io=1200mA min).
When Mode 1 pin is "M", "H" EXT output is Vcc-1.0V (Io=300mA min).
Connected to car BACKUP Power supply.
When Mode 2 pin is "H" ANT output is Vcc-1.0V (Io=300mA).
L: ANT Output OFF and H: ANT Output ON
12
BATT.DET
NPN Transistor open collector Output (When battery is lower then 9V "L")
13
Audio Output
When Mode 1 pin is "M", "H" Audio output is 9V (Io=500mA min).
14
ILM AJ
ILM (Illumination) Output adjustable pin.
15
ILM(Illumination) Output
When Mode 1 pin is "M", "H" ILM output is 10V (Io=300mA min).
16
GND
Connected to the IC substrate.
Pre
Drive
Reference Voltage
Pre
Drive
EXT
Out
*ASO, Peak Current Protection.
*Thermal Protection (Except
VDD, Comp output).
ANT
Out
Pre
Drive
Pre
Drive
15
11
1
4
8
9
10
7
12
2
16
ILM
10V
MODE2 SW5V
Out
VDD
5.7V
EXT
Vcc
ANT
CD
8.0V
BATT.DET COMP
GND
14
ILM
AJ
13
AUDIO
9.0V
Outputs
6
MODE1
3
ACC
5
NC
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