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CD-MPX870
IC851 VHIAN80T53/-1: Multi Regulator (AN80T53)
Pin
No.
1
2
3
4
5
6
7
Terminal Name
Function
REG4 Output
REG3 Output
VCC
GND
MODE 1
REG2 Output
REG1 Output
5.1 V power supply with a minimum peak out current of 1200 mA.
13 V power supply with a minimum peak out current of 1350 mA.
Connected to Power supplies.
Connected to the IC substrate.
REG1, REG2,REG3 and REG4 outputs are turned ON when this pin is 5 V.
10 V power supply with a minimum peak out current of 800 mA.
8.5 V power supply with a minimum peak out current of 700 mA.
Peak Current Protection,
Thermal Protection,
Load Short Protection.
Out puts
+
-
+
-
Prc
Drive
+
-
Prc
Drive
+
-
Prc
Drive
Prc
Drive
Referenc e
Voltag e
5
MODE 1
2
R EG 3
13V
3
4
1
7
6
VC C
G ND
REG4
5.1V
REG1
8.5V
REG2
10.0 V
Figure 8-10 BLOCK DIAGRAM OF IC
8–7