03W202A
System regulator for car stereo
BA4911
Description
BA4911 is a system regulator IC for car stereo.
This IC incorporates 1 channel of 5.0V output,
2 channels of 8.12V output, 1channel of 7.9V
output, 1channel of 10.3V output and 2 channels
of high side switch.
21.6
鹵
0.5
Dimension (Unit : mm)
29.8
鹵
0.2
24.0
鹵
0.1
4.7
鹵
0.2
R1.8
6.9
鹵
0.1
7.0
鹵
0.1
6.5
鹵
0.5
Features
1) PNP output and low drop out type
2) Built-in output current limits circuit to protect IC
from destruction by short
3) Built-in over-voltage protection circuit to deliver
strong design for surge input to BACK UP and Vcc
4) 12pin power package perfect for space saving design
5) Built-in thermal protection circuit to protect IC
from thermal destruction
6) Strong design against instant power failure of battery
because VDD can be driven by load stored in BACK UP
capacitor.
Applications
Car stereo
Absolute Maximum Ratings (Ta=25藲C)
Parameter
Power supply voltage
Power dissipation
Operating temperature range
Storage temperature range
鈭?/div>
鈭?/div>
1
1.2
1
2.54
0.6
1.2
12
0.4
鹵
0.1
SIP-M12
Symbol
Vcc
Pd
Topr
Tstg
Vcc PEAK
-30
-55
Limits
36
3000
~
~
50
鈭?/div>
Unit
V
mW
+
85
+
150
鈭?/div>
1
藲C
藲C
V
Peak applied voltage
Derating : 27.2mW/藲C for operation above Ta=25藲C
tr
鈮?/div>
1msec Applied time within 200msec
Recommended Operating Conditions (Ta=25藲C)
Parameter
Recommended supply voltage 1
Recommended supply voltage 2
Recommended supply voltage 3
Symbol
Vcc1
Vcc2
Vcc3
Min.
10
8.2
11.4
Typ.
14.4
14.4
14.4
Max.
18
18
18
Unit
V
V
V
Conditions
Except VDD output, ILM output
VDD output
ILM output
鈭?/div>
Electric characteristic is not guaranteed. (Especially at low input voltage)
13.9
鹵
0.3
BA4911相關(guān)型號(hào)PDF文件下載
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