BA33C18FP [ROHM]
Fixed Positive LDO Regulator, 2 Output, 3.3V1, 1.8V2, BIPolar, PSSO4, TO-252, 5 PIN;
| 型号： | BA33C18FP |
| 厂家： | 
ROHM |
| 描述： | Fixed Positive LDO Regulator, 2 Output, 3.3V1, 1.8V2, BIPolar, PSSO4, TO-252, 5 PIN 输出元件 调节器 |
| 文件： | 总2页 (文件大小：218K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
2-output LDO series regulator
BA33C18FP/HFP
Description
Dimension (Unit : mm)
BA33C18FP
BA33C18FP/HFP is a 2-output LDO series regulator IC.
Output current is 1A at maximum and output voltage
accuracy is +/-2%. This IC incorporates over-current
protection and thermal protection circuits.
2.3±0.2
6.5±0.2
5.1−+00..12
0.5±0.1
2-C0.5
2
1
3
4
5
1.27
0.5±0.1
1.0±0.2
0.5
Features
1) 3.3V/1A, 1.8V/1A
TO252-5
2) Output voltage accuracy: +/-2%
3) PNP output and LDO voltage type
4) Built-in output current limit circuit protects the IC
from destruction by short
BA33C18HFP
9.39±0.125
1.905±0.1
8.82±0.1
(5.59)
5) Built-in temperature protection circuit protects the IC
from thermal destruction by overload state
6) TO252-5 package, HRP-5 package
1
2
3
4
5
1.2575
+
−
5.5°
4.5°
4.5°
0.1
0.27 +−
0.05
Applications
S
DVD-ROM, DVD-RW, HDD
1.72
0.73±0.1
D
0.08 S
HRP-5
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
VCC
Limits
18
2300
~
Unit
V
mW
˚C
˚C
Applied voltage
∗1
Power dissipation
Pd
Topr
Tstg
-
-
40
55
+105
+150
Operating temperature range
Storage temperature range
~
∗1 Derating : 18.4mW/˚C for operation above Ta ≥ 25˚C
PCB (70mmx70mm, t=1.6mm) glass epoxy mounting. (Thermal via on the board.)
(Board surface copper foil area: 10.5mmX10.5mm)
(2 layer board (Back copper foil area: 15mmX15mm)
Recommended Operating Conditions (Ta=25˚C)
Parameter
Input supply voltage
3.3V output current
1.8V output voltage
Symbol
VCC
Min.
4.1
-
Typ.
-
-
Max.
16.0
1
Unit
V
A
Io1
Io2
1
-
-
A
Electrical characteristics (Unless otherwise noted; Ta=25˚C, Vcc=5V)
Parameter
Symbol
Ib
Min.
Typ.
Max.
Unit
mA
Conditions
Bias current
Io=0mA, Io2=0mA
-
0.8
1.5
<3.3V output>
Output voltage 1
V
V
A
dB
mV
mV
Io1=500mA
Vo1
∆Vd1
Io1
R.R. 1
Reg.I1
Reg.L1
Tcvo1
IOS1
3.234
-
1.0
50
-
-
-
-
3.3
0.25
- -
58
5
30
±0.01
300
3.366
0.50
Min. I/O voltage difference 1
Output current capacity 1
Io1=500mA, Vcc=3.135V
Ripple rejection 1
Input stability 1
Load stability 1
f=120Hz, ein=1Vrms, Io1=200mA
Vcc=4.1 → 16V, Io1=500mA
Io1=0mA → 1A
-
30
75
-
∗2
Output voltage temperature
% /
mA
Io1=5mA, Tj=0~125˚C
Vcc=16V
˚C
coefficient 1
Output short current 1
<1.8V output>
-
Io2=500mA
Output voltage 2
Output current capacity 2
Ripple rejection 2
Input stability 2
Vo2
Io2
V
A
dB
mV
mV
1.764
1.0
50
-
-
-
1.8
- -
58
5
30
1.836
f=120Hz, ein=1Vrms, Io2=200mA
Vcc=4.1 → 16V, Io2=500mA
Io2=0mA → 1A
R.R. 2
Reg.I2
Reg.L2
Tcvo2
IOS2
-
30
75
-
Load stability 2
Output voltage temperature ∗2
Io1=5mA, Tj=0~125˚C
Vcc=16V
% /
mA
±0.01
270
˚C
coefficient 2
Output short current 2
∗This product is not designed for protection against radioactive rays.
∗2 Design guaranteed (All total inspection is not performed.)
-
-
Block Diagram
BA33C18FP/HFP
Vcc
Vcc
Reference
Voltage
Current
Limit
Sat.
Prevention
Vcc
Vcc
Thermal
Current
Limit
Shut Down
Sat.
Prevention
Vcc
N.C.
GND(FIN) Vo1
Vo2
相关型号：
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Fixed Positive LDO Regulator, 3.3V, BIPolar, PSSO4, ROHS COMPLIANT, TO-252, 5 PIN
ROHM
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