STK412-030 Sanyo Semiconductor, STK412-030 Datasheet - Page 3

• Manufacturer Part Number: STK412-030
• Description: AF Power Amplifier
• Manufacturer: Sanyo Semiconductor

Internal Equivalent Circuit
13
12
*3. Use the transformer power supply specified in the figure below for allowable load shorted time and output noise voltage measurements.
*4. Design circuits so that (|V
*5. Set up the V
14
15
16
7
Specified Transformer Power Supply
TR3
TR1
TR5
R2
SUB
R1
C1
TR2
(MG-250 equivalent)
L
TR4
power supply with an offset voltage at power supply switching (V
D1
C2
R4
R5
D2
R6
TR6
DBA40C
R3
TR8
H
| - |V
TR7
L
R7
|) is always less than 40 V when switching the power supply with the load connected.
TR9
TR10
10000 F
10000 F
9
+
+
8
500
500
11
10
+V H
--V H
STK412-030
TR19
TR20
TR18
TR17
R17
R13
TR16
D12
R14
R15
C12
L
Specified Transformer Power Supply
- L
R16
TR14
O
TR12
) of about 8 V as an initial target.
C11
TR15
R11
R12
(MG-200 equivalent)
TR11
17
TR13
18
DBA40C
TR51
TR41
R41
R51
Comparator
Comparator
10000 F
10000 F
D51
D41
+
+
D42
D43
D53
D52
500
500
No. 7247-3/4
+V L
--V L
1
3
2
5
4
6