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PDF BA4911 Data sheet ( Hoja de datos )
| Número de pieza | BA4911 | |
| Descripción | System regulator for car stereo | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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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.
Dimension (Unit : mm)
29.8 ± 0.2
24.0 ± 0.1
4.7 ± 0.2
R1.8
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.
1
2.54
12
0.6
1.2
0.4 ± 0.1
SIP-M12
Applications
Car stereo
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Power supply voltage
Vcc
Power dissipation
Pd
Operating temperature range
Topr
Storage temperature range
Tstg
Peak applied voltage
Vcc PEAK
∗ Derating : 27.2mW/˚C for operation above Ta=25˚C
∗1 tr ≥ 1msec Applied time within 200msec
Limits
36
3000 ∗
-30 ~ +85
-55 ~ +150
50 ∗1
Unit
V
mW
˚C
˚C
V
Recommended Operating Conditions (Ta=25˚C)
Parameter
Symbol Min.
Recommended supply voltage 1 Vcc1
10
Recommended supply voltage 2 Vcc2
8.2
Recommended supply voltage 3 Vcc3
11.4
∗Electric characteristic is not guaranteed. (Especially at low input voltage)
Typ.
14.4
14.4
14.4
Max.
18
18
18
Unit Conditions
V Except VDD output, ILM output
V VDD output
V ILM output
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet BA4911.PDF ] | |
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