an7195z Panasonic Corporation of North America, an7195z Datasheet - Page 7

• Manufacturer Part Number: an7195z
• Description: Dual 15 W Btl Power Ic For Car Audio
• Manufacturer: Panasonic Corporation of North America

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 HZIP015-P-0745A
V
STB
10 k
2.7 V
[mA]
113.6
20.5
40.3
30.5
11.3
100
59.5
120
1.8
20
80
40
60
0
0
Infinity heat sink
1 C/W
10 C/W
Without heat sink
2 C/W
3 C/W
5 C/W
V
heat sink
heat sink
heat sink
STB
heat sink
25
heat sink
Ambient temperature T
5 V
0 V
50
Terminal state
P
D
High
75
Open
Low
5
T
Sub
a
100
a
R
R
10 k
th (j c)
th (j a)
C)
125
1.1 C/W
68.3 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
Constant
current source
AN7195Z
3.5 k
7