bd4912 ROHM Co. Ltd., bd4912 Datasheet - Page 2

• Manufacturer Part Number: bd4912
• Description: Dmos System Power Supply Ics With Low Current Consumption Now Available
• Manufacturer: ROHM Co. Ltd.

Absolute maximum ratings (Ta = 25°C)
Recommended operating ranges (Ta = 25°C)
Electrical characteristics (Unless otherwise specified, Ta = 25°C; V
*1 tr ≥ 1 ms; Bias voltage is applied for less than 200 ms.
Recommended Supply
Voltage Range1
Recommended Supply
Voltage Range 2
Recommended Supply
Voltage Range 3
Standby Circuit Current
Output Voltage (V
Dropout Voltage
Peak Output Current
Ripple Rejection Ratio
Low Vcc Output Voltage
Output Voltage (AUDIO) 2
Dropout Voltage
Peak Output Current
Ripple Rejection Ratio
Maximum Junction Temperature
Operating Temperature Range
Storage Temperature Range
This product is not designed for protection against radioactive rays.
Use Peak Output Current less than Limits Min. values.
Peak Supply Voltage 1
Peak Supply Voltage 2
SEL1 Supply Voltage
SEL2 Supply Voltage
Power Dissipation
Supply Voltage 1
Supply Voltage 2
Parameter
Parameter
Parameter
50 V
35 V
DD
0 V
) 1
Symbol
∆V
∆V
R.R1
R.R2
V
V
V
I
I
Ist
O
O
O
O
O
tr ≥ 1 m
O
O
1
2
11.5 to 18
1’
1
2
6.3 to 18
10 to 18
1
2
Limits
V
V
CC
CC
Fig.1 Peak Supply Voltage Waveform
Symbol
Tjmax
SEL1
SEL2
V
V
Topr
Tstg
1 PEAK
2 PEAK
4.80
Min.
Pd
400
200
CC
CC
4.8
7.8
50
45
—
—
—
(Voltage supply more than 35 V)
1
2
Limits
5.00
8.12
Typ.
Unit
0.8
0.4
55
55
MAX. 200 ms
—
—
—
—
V
V
V
2/16
-55 to +150
-40 to +85
50
50
Limits
3400
150
Max.
36
36
12
12
5.20
110
1.1
8.3
0.7
—
—
—
—
—
(*1)
(*1)
CC
Except V
1 = V
Unit
mA
mA
µA
dB
dB
CC
V
V
V
V
V
V
ILM output
Comment
DD
DD
2 = 14.4 V)
and ILM output
output
I
I
V
f = 100 Hz, VRR = -10 dBV,
I
V
I
I
V
f = 100 Hz, VRR = -10 dBV,
I
O
O
O
O
O
O
O
CC
O
2 = 200 mA, V
2 = 200 mA, V
Unit
mW
= 300 mA, V
= 300 mA, V
= 300 mA
= 200 mA
°C
°C
°C
1 ≥ 4.8 V
2 ≥ 7.8 V
V
V
V
V
V
V
2 = 5 V, I
Condition
O
= 10 mA
CC
CC
CC
CC
2 = 10 V to 18 V
2-V
1 = 10 V to 18 V
1-V
O
1
O
2