BA3259HFP_09 ROHM [Rohm], BA3259HFP_09 Datasheet - Page 2

• Manufacturer Part Number: BA3259HFP_09
• Description: Dual-output Secondary Fixed/Variable Output LDO Regulators for Local Power Supplies
• Manufacturer: ROHM [Rohm]

Electrical Characteristics
© 2009 ROHM Co., Ltd. All rights reserved.
BA3259HFP,BA30E00WHFP
www.rohm.com
BA3259HFP (Unless otherwise specified, Ta=25°C, Vcc=5 V, R1=R2=5 k)
BA30E00WHFP (Unless otherwise specified, Ta=25°C, Vcc1=Vcc2=V
*3: Operation is guaranteed within these parameters
*3: Operation is guaranteed within these parameters
Circuit current
[3.3 V Output Block]
Output voltage 1
Minimum I/O voltage difference 1
Current capability 1
Ripple rejection 1
Input stability 1
Load stability 1
Temperature coefficient of output
voltage 1
[Variable output]
Reference voltage
Minimum I/O voltage difference 2
Current capability 2
Ripple rejection 2
Input stability 2
Load stability 2
Temperature coefficient of output
voltage 2
Variable pin current
Bias current
Standby current
EN pin on voltage
EN pin off voltage
EN pin current
[3.3 V output]
Output voltage 1
Minimum I/O voltage difference 1
Output current capacity 1
Ripple rejection 1
Input stability 1
Load stability 1-1
Load stability 1-2
Temperature coefficient of output
voltage 1
[Variable output] (at 1.8 V)
Reference voltage
Minimum I/O voltage difference 2
Output current capacity 2
Ripple rejection 2
Input stability 2
Load stability 2
Temperature coefficient of output
voltage 2
*3
*3
*3
*3
Parameter
Parameter
Reg.L1-1
Reg.L1-2
∆V
∆V
∆V
∆V
Symbol
Symbol
Reg.L2
Reg.I1
Reg.I2
Tcvo1
Tcvo2
R.R.1
Tcvo1
R.R.2
Tcvo2
R.R.1
R.R.2
∆Vd1
∆Vd2
∆Vd1
∆Vd2
V
V
V
V
I
Vo1
Vo1
Io1
LOAD
Io2
LOAD
I
I
Io1
Io2
ADJ
LINE
LINE
OFF
I
REF
Ib
EN
ADJ
ST
ON
B
1
2
1
2
3.234
0.784
3.234
0.784
Min.
Min.
1.0
1.0
2.0
0.6
0.6
46
46
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
2/9
3.300
±0.01
0.800
±0.01
3.300
±0.01
0.800
±0.01
Typ.
0.05
0.30
0.30
Typ.
1.1
1.1
0.7
52
52
50
68
30
30
66
30
−
−
3
5
5
5
5
0
−
−
−
5
−
5
EN
3.366
0.816
3.366
0.816
Max.
Max.
0.60
0.60
100
1.3
1.3
1.0
1.6
0.8
=5 V, R1=50 k, R2=62.5 k)
15
20
15
20
10
30
90
90
30
90
5
−
−
−
−
−
−
−
−
−
−
−
−
−
%/°C
%/°C
%/°C
%/°C
Unit
Unit
mA
mV
mV
mV
mV
mV
mV
mA
mV
mV
mV
A
A
dB
dB
dB
dB
A
V
V
V
V
A
V
V
A
V
V
A
V
V
A
Io1=0mA, Io2=0mA
V
Active mode
Standby mode
V
Io1=50mA
Io1=300mA,Vcc=3.135V
f=120Hz, ein=1Vp-p,Io1=100mA
Vcc1=4.1→16V,Io1=50mA
Io1=0 mA→0.6A
Vcc1=3.7V,Io1=0→0.4A
Io1=5mA,Tj=0°C to 125°C
Io2=50 mA
At Io2=3.3V
Io2=300mA,Vcc1=Vcc2=3.135V
f=120 Hz,ein=1Vp-p,Io2=100mA
Vcc1=Vcc2=4.1V→16V,Io2=50mA
Io2=0mA→0.6A
Io2=5mA,Tj=0°C to 125°C
Io1=0 mA, Io
Io1=50mA
Io1=1 A, Vcc=3.8V
f=120Hz, ein=0.5Vp-p, Io1=5mA
Vcc=4.75→14V, Io1=5mA
Io1=5mA→1 A
Io1=5mA,Tj=0°C to 85°C
Io2=50 mA
Io2=1 A
f=120Hz, ein=0.5 Vp-p, Io2=5mA
Vcc=4.75→14V, Io2=5mA
Io2=5 mA→1 A
Io2=5mA,Tj=0°C to 85°C
V
EN
EN
ADJ
=GND
=3.3V
=0.85V
Conditions
Conditions
2
2009.04 - Rev.A
Technical Note
=0mA