參數(shù)資料
型號(hào)： AS2887AR
英文描述： Analog IC
中文描述： 模擬IC
文件頁(yè)數(shù)： 2/4頁(yè)
文件大?。?/td> 98K
代理商： AS2887AR
Rev. 9/29/00
AS2884
ABSOLUTE MAXIMUM RATINGS
Power Dissipation..........................................Internally Limited
Lead Temp. (Soldering, 10 Seconds)..............................300°C
Storage Temperature Range ............................-65° to +150°C
Operating Junction Temperature Range
AS2884 Control Section............................0C° to +125°C
AS2884 Power Transistor..........................0C° to +150°C
ELECTRICAL CHARACTERISTICS
(Note 1) at I
OUT
= 10mA, T
A
= 25
°
C, unless otherwise specified.
Parameter
Conditions
3.3V Version
Output Voltage (Note 2)
AS2884-3.3V, 0
≤
I
OUT
≤
8A,
4.75V
≤
V
IN
≤
25V
5.0V Version
Output Voltage (Note 2)
AS2884-3.3V, 0
≤
I
OUT
≤
8A,
6.5V
≤
V
IN
≤
25V
All Voltage Options
Reference Voltage
10 mA
≤
I
OUT
≤
I
FULLLOAD
3.3V
≤
(V
IN
- V
OUT
)
≤
V
IN
MAX
– V
OUT MAX
Mid Load Current
(V
IN
- V
OUT
) = V
IN
MAX
– V
OUT
MAX
Line Regulation
29V
≤
V
IN
- V
OUT
≤
V
IN
MAX
– V
OUT MAX
I
LOAD
= 10mA
Load Regulation
10mA
≤
I
OUT
≤
I
FULLLOAD
(V
IN
- V
OUT
)=3V
Dropout Voltage
I
OUT
=I
FULLLOAD
,
V
REF
=1%
Input Supply Voltage ......................................................30V
Input to Output Voltage Differential...............................30V
AS2884A
Min
AS2884
Units
Typ
Max
Min
Max
3.3
3.3
3.270
3.240
3.330
3.360
3.230
3.201
3.370
3.399
V
5.0
5.0
4.950
4.900
5.050
5.100
4.900
4.650
5.100
5.150
1.250
1.250
5
0.015
0.05
0.1
0.2
1.1
1.238
1.225
1.262
1.270
10
0.2
0.5
0.3
0.4
1.2
1.238
1.225
1.262
1.270
10
0.2
0.5
0.3
0.4
1.2
V
mA
%
%
V
Current Limit
V
IN
- V
OUT
=5V
T
A
=125
°
C, 1000Hrs.
9.5
8.0
8.0
A
Long Term Stability
0.3
1
1
%
Adjust Pin Current
T
A
=25
°
C
55
90
90
μ
A
Adjust Pin Current
Change
Thermal Regulation
0.2
5
5
μ
A
30ms pulse
0.003
0.01
0.01
%/W
Temperature Stability
0.5
%
Ripple Rejection Ratio
V
IN
- V
OUT
=3V
I
OUT
=3A, C
OUT
= 25
μ
F, C
ADJ
= 25
μ
F,
f= 120Hz
10Hz to 10kHz
TO-220
75
60
60
dB
Output Noise, RMS
Thermal Resistance
Junction-to-Case
The Bold specifications apply to the full operating temperature range.
Note 1
:
Changes in output voltage due to heating effects are covered under the specification for thermal regulation.
Note 2
:
A 10
μ
F output capacitor is required on AS2884
0.003
% V
O
°
C/W
Junction to Tab
Junction to Ambient
2.7
0.65
2.7
0.65
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