1. ICs for TV
s Overview
The AN5071 is the integrated circuit incorporating TV
tuner band-switch circuits and 31V-power-supply circuit.
s Features
•Tuner band switch circuit with 31V-voltage regulator
•Usable for every tuner by suitable output combination
AN5071
TV Tuner Band-Switch IC (31V-Voltage Regulator Built-in)
Unit : mm
9-Pin SIL Plastic Package
9
8
7
6
5
4
3
2
1
0.3 +0.1
– 0.05
23.3±0.3
6.0±0.3
2.4±0.25
3.3±0.25
1.5±0.25
0.5±0.1
2.541.5±0.25
1.4±0.3
3.0±0.3
30˚
Output (1)
Output (2)
Input (1)
Input (2)
GND
Pin No.
1
2
3
4
5
Pin name
31.5V supply voltage
Output (3)
Output (4)
VCC
6
7
8
9
s Pin Descriptions
1 2 3 4 5 6 7 8 9
+
–
Output
Circuit
(1)
Output
Circuit
(2)
Control
Circuit
Input
Circuit
Voltage
Regulator
Output
Circuit
(3)
Output
Circuit
(4)
to Tuner Input
GND
+B
to Tuner
VCC
s Block Diagram

2. ICs for TV AN5071
Parameter Symbol Rating Unit
VCC
I6
PD
Topr
Tstg
+14
620
– 20 to + 70
– 55 to +150
Supply voltage
Supply current
Power dissipation
Operating ambient temperature
Storage temperature
+18 V
mW
mA
˚C
˚C
s Absolute Maximum Ratings (Ta=25˚C)
1.5 2.5 V
±50 mV
Vt
∆V6-5
It
VCE (sat)
VCE (sat)
V6-5
V6-5/Ta
Input-threshold voltage
Regulated voltage time drift
Input-threshold current
Output-saturation voltage
Pin8 output-saturation voltage
Voltage regulator
Regulated voltage ambient temperature dependency
VCC=12V
Reference is the voltage at 5 sec. after SW. ON
VCC=12V
VCC=12V, IO= – 60mA
VCC=12V, I8=20mA
VCC=12V, I6=10mA
Ta= –20 to + 60˚C
100
29.5
–1.0
0.3
0.2
31.5
0
500
0.8
0.5
33.5
1.0
µA
V
V
V
mV/˚C
Parameter minCondition typ max UnitSymbol
s Electrical Characteristics (Ta = 25˚C)
Input
Pin3
L
H
L
H
Pin4
L
L
H
H
Pin1
VCC
open
open
open
Pin2
open
VCC
open
open
Pin7
open
open
VCC
open
Pin8
L
open
L
open
UHF
VHF-L
VHF-H
—
Remarks
Tuning
Status
Output
( )
s Input/Output Related (Logic Table)
0 10 20 30 40 50
2
0
4
6
8
10
12
Regulated voltage V6-5 (V)
SupplyCurrentI6(mA)
I6 –V6-5
BM
BT
BS
BV
BU
50V
1µF
50V
1µF
Input
Input
0.022µF
220kΩ
43kΩ
8.2kΩ
2W
31.5V
12V
(115V)
Tuner
AN5071
BM
BT
BV
BV
BU
L
H
50V
1µF
50V
1µF
50V
1µF
Tuner
Input Input
0.022µF
12V
B
(115V)8.2kΩ
2W
R3
1 92 3 4 5 6 7 8
AN5071
1 2 3 4 95 6 7 8
+
–
+
–
+
–
+ B
+
–
+
–
+
s Application Circuit