Read Sharp CD-MPX880H Service Manual online
CD-MPX880H
8 – 7
IC851 VHIAN80T53/-1: Multi Regulator (AN80T53)
Pin No.
Terminal Name
Function
1
REG4 Output
5.1 V power supply with a minimum peak out current of 1200 mA.
2
REG3 Output
13 V power supply with a minimum peak out current of 1350 mA.
3
VCC
Connected to Power supplies.
4
GND
Connected to the IC substrate.
5
MODE 1
REG1, REG2,REG3 and REG4 outputs are turned ON when this pin is 5 V.
6
REG2 Output
10 V power supply with a minimum peak out current of 800 mA.
7
REG1 Output
8.5 V power supply with a minimum peak out current of 700 mA.
5
2
3
4
1
7
6
Peak Current Protection,
Thermal Protection,
Load Short Protection.
Outputs
-
+
-
+
-
+
-
+
Prc
Drive
Reference
Voltage
MODE 1
REG 3 VCC
GND
13V
REG4
5.1V
REG1
8.5V
REG2
10.0V
Prc
Drive
Prc
Drive
Prc
Drive
Figure 8-4: BLOCK DIAGRAM OF IC
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