AN7195 Panasonic Semiconductor, AN7195 Datasheet - Page 7

• Manufacturer Part Number: AN7195
• Description: Dual 15 W BTL power IC for car audio
• Manufacturer: Panasonic Semiconductor

ICs for Audio Common Use
[2] Application note
[1] P
1. Standby function
Technical Information
1) The power can be turned on or off by
2) The standby terminal has threshold
3) The internal circuit of standby terminal is as shown in figure 1. When the standby terminal is high, the current
4) A power supply with no ripple component should be used for the control voltage of standby terminal .
D
making pin 5 (standby terminal) high
or low.
voltage of approx. 2.1 V, however, it
has temperature dependency of
approx. 6 mV/ C. The recommended
range of use is shown in table 1.
approximately expressed by the following equation will flow into the circuit.
T
I
a
STB
curves of HZIP016-P-0665A
V
STB
10 k
2.7 V
[mA]
17.9
10.4
31.3
62.5
41.7
3.0
60
55
50
45
40
35
30
25
20
15
10
65
0
5
0
Infinity heat sink
1 C/W
2 C/W
3 C/W
5 C/W
10 C/W
Without heat sink
V
heat sink
heat sink
heat sink
heat sink
heat sink
25
STB
Ambient temperature T
5 V
0 V
50
Terminal state
P
D
75
High
Open
Low
5
T
Sub
a
100
a
R
R
10 k
th (j c)
th (j a)
C)
125
2 C/W
42 C/W
Terminal voltage
Higher than 3 V
0 V to 1.0 V
150
Table 1
RF
0 V
3.5 k
Figure 1
Protection
circuit
3.5 k
Operating state
Standby state
Standby state
3.5 k
Power
AN7195K
Constant
current source
3.5 k
7