2-16
2-2. PIN DESCRIPTION
Pin No.
Pin name
Description
1
ILM
ILM output pin
ON when CTRL2 = M1, H
8.4 V/ 0.5 A
2
GND
GND pin
3
CD
CD output pin
ON when CTRL1 = H
8.0 V/ 1.3 A
4
CTRL1
CTRL1 input pin
Three value input
5
AUDIO
AUDIO output pin
ON when CTRL1 = M, H
8.4 V/ 0.5 A
6
CTRL2
CTRL2 input pin
Four-value input
7
DSP
DSP output pin
ON when CTRL1 = M, H
3.3 V/ 0.3 A
8
CTRL3
CTRL3 input pin
Two-value input
9
FB
USB-FB pin
1.26 V
10
USBGT
Pch-FET gate connect pin
12.0 V
11
EXT
EXT output pin ON
when CTRL2 = M2, H
VCC-0.5 V/ 500 mA
12
RSNS
USB current detection resistance connection pin
14.3 V
13
VDD
VDD output pin
5.7 V/ 0.3 A
14
VCC1
VDD power supply pin
15
VCC
Power supply pin
Summary of Contents for MAX220UB
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