Sharp CD-SW330 Service Manual - Page 102

IC851 VHIAN80T53/-1: Multi Regulator AN80T53

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CD-SW330 IC851 VHIAN80T53/-1: Multi Regulator (AN80T53) Pin Terminal Name Function No. 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. Peak Current Protection, Thermal Protection, Load Short Protection. Outputs + - Prc Drive + - Prc Drive + - Prc Drive + - Prc Drive 5 MODE1 Reference Voltage 23 REG3 VCC 13V 4 GND 1 REG4 5.1V 7 REG1 8.5V Figure 8-4: BLOCK DIAGRAM OF IC 6 REG2 10.0V 8 - 7

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CD-SW330
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
-
+
Prc
Drive
-
+
Prc
Drive
Prc
Drive
Reference
Voltage
MODE1
REG3
13V
5.1V
VCC
GND
REG4
8.5V
10.0V
REG1
REG2
Figure 8-4: BLOCK DIAGRAM OF IC