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BA3258HFP Arkusz danych(PDF) 2 Page - Rohm

Numer części BA3258HFP
Szczegółowy opis  Dual Output Secondary Fixed Output LDO Regulators
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Producent  ROHM [Rohm]
Strona internetowa  http://www.rohm.com
Logo ROHM - Rohm

BA3258HFP Arkusz danych(HTML) 2 Page - Rohm

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BA3258HFP,BA33D15HFP,BA33D18HFP
Technical Note
2/8
www.rohm.com
2011.03 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
Electrical Characteristics
BA3258HFP (Unless otherwise specified, Ta = 25℃, Vcc = 5 V)
Parameter
Symbol
Limits
Unit
Conditions
Min. Typ. Max.
Bias current
IB
-
3
5
mA
Io1 = 0 mA, Io2 = 0 mA
[3.3 V Output Block]
Output voltage1
Vo1
3.234 3.300 3.366
V
Io1 = 50 mA
Minimum output voltage difference 1
∆Vd1
-
1.1
1.3
V
Io1 = 1 A, Vcc = 3.8 V
Output current capacity 1
Io1
1.0
-
-
A
Ripple rejection 1
R.R.1
46
52
-
dB
f=120 Hz,ein=0.5Vp-p,Io1=5mA
Input stability 1
Reg.I1
-
5
15
mV
Vcc = 4.75→14 V, Io1 = 5 mA
Load stability 1
Reg.L1
-
5
20
mV
Io1 = 5 mA→1A
Temperature coefficient of output voltage 1
*3
Tcvo1
-
0.01
-
%/℃ Io1 = 5 mA, Tj = 0℃ to 85℃
[1.5 V Output Block]
Output voltage 2
Vo2
1.470 1.500 1.530
V
Io2 = 50 mA
Output current capacity 2
Io2
1.0
-
-
A
Ripple rejection 2
R.R.2
46
52
-
dB
f=120 Hz,ein=0.5Vp-p,Io2=5mA
Input stability 2
Reg.I2
-
5
15
mV
Vcc = 4.1→14 V, Io2 = 5 mA
Load stability 2
Reg.L2
-
5
20
mV
Io2 = 5 mA→1 A
Temperature coefficient of output voltage 2
*3
Tcvo2
-
0.01
-
%/℃ Io2 = 5 mA, Tj = 0℃ to 125℃
*3: Design is guaranteed within these parameters. (No total shipment inspection is made.)
BA33D□□ Series (Unless otherwise specified, Ta = 25℃, Vcc = 5 V)
Parameter
Symbol
Limits
Unit
Conditions
Min. Typ. Max.
Bias current
Ib
-
0.7
1.6
mA
Io1 = 0 mA, Io2 = 0 mA
[3.3V Output Block]
Output voltage 1
Vo1
3.234 3.300 3.366
V
Io1 = 250 mA
Minimum output voltage difference 1
∆Vd1
0.25 0.50
V
Io1 = 250 mA, Vcc = 3.135 V
Output current capacity 1
Io1
0.5
-
-
A
Ripple rejection 1
R.R.1
-
68
-
dB
f=120 Hz,ein =1Vp-p,Io1=100mA
Input stability 1
Reg.I1
-
5
30
mV
Vcc=4.1V→16V,Io1=250mA
Load stability 1
Reg.L1
-
30
75
mV
Io1= 0 mA→0.5 A
Temperature coefficient of output voltage 1
*3
Tcvo1
-
0.01
-
%/℃ Io1 = 5 mA, Tj=0℃ to 125℃
BA33D15HFP Vo2 output
[1.5V Output Block]
Output voltage 2
Vo2
1.470 1.500 1.530
V
Io2 = 250 mA
Output current capacity 2
Io2
0.5
-
-
A
Ripple rejection 2
R.R.2
-
74
-
dB
f=120 Hz,ein=1Vp-p,Io2=100mA
Input stability 2
Reg.I2
-
5
30
mV
Vcc =4.1V→16 V,Io2=250mA
Load stability 2
Reg.L2
-
30
75
mV
Io2 = 0 mA→0.5A
Temperature coefficient of output voltage 2
*3
Tcvo2
-
0.01
-
%/℃ Io2 = 5 mA,Tj = 0℃ to 125℃
BA33D18HFP Vo2 output
[1.8V Output Block]
Output voltage 2
Vo2
1.764 1.800 1.836
V
Io2=250 mA
Output current capacity 2
Io2
0.5
-
-
A
Ripple rejection 2
R.R.2
-
72
-
dB
f =120Hz,ein =1Vp-p,Io2=100mA
Input stability 2
Reg.I2
-
5
30
mV
Vcc = 4.1V→16V,Io2=250mA
Load stability 2
Reg.L2
-
30
75
mV
Io2 = 0 mA→0.5 A
Temperature coefficient of output voltage 2
*3
Tcvo2
-
0.01
-
%/℃ Io2 = 5 mA, Tj = 0℃ to 125℃
*3: Design is guaranteed within these parameters. (No total shipment inspection is made.)


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