TX-SR403/8340
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-22
Q5640: AN34060A (3 Output Voltage Regulator)
BLOCK DIAGRAM
TERMINAL DESCRIPTION
Description
MODE 1
REG 1
VCC
GND
REG 2
VCC
REG 3
Function
WHEN MODE 1 pin is 5V, REG 1 output is "H".
WHEN MODE 1 pin is "H", REG 1 output is 5.0V (Io1(peak) = 300mA min).
Connected to Power supply
Connected to IC substrate
WHEN MODE 1 pin is "H", REG 2 output is 3.3V (Io2(peak) = 200mA min).
Connected to Power supply
WHEN MODE 1 pin is "H", REG 3 output is 2.5V (I
o3(peak) = 600mA min).
Pin No.
1
2
3
4
5
6
7
Pre
Drive
VCC
Output
Pre
Drive
Peak Current
Protection &
Thermal Protection
Reference Voltage
1
3
6
2
7
4
5
VCC
VCC
Pre
Drive
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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