參數(shù)資料
型號： LX8384A-33CP
廠商： MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類： 基準電壓源/電流源
英文描述： 5A LOW DROPOUT POSITIVE REGULATORS
中文描述： 3.3 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSFM3
封裝： ROHS COMPLIANT, PLASTIC, TO-220, 3 PIN
文件頁數(shù)： 3/8頁
文件大小： 216K
代理商： LX8384A-33CP
5A L
OW
D
ROPOUT
P
OSITIVE
R
E G U L AT O R S
LX8384-xx/8384A-xx/8384B-xx
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
3
Copyright 1997
Rev. 1.9 12/97
P
R O D U C T I O N
D
A T A
S
H E E T
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8384-xxC/8384A-xxC/8384B-xxC with
0°C
≤
T
≤
125°C, and the LX8384-xxI with -25°C
≤
T
≤
125°C; V
- V
= 3V; I
OUT
= 5A. Low duty cycle pulse testing techniques are used which
maintains junction and case temperatures equal to the ambient temperature.)
LX8384-00 / 8384A-00 / 8384B-00
(Adjustable)
Parameter
Symbol
Test Conditions
Units
LX8384/84A/84B-00
Min.
Typ.
1.238
1.250
1.225
1.250
1.240
1.250
1.238
1.250
0.015
0.035
0.15
0.01
65
83
Max.
1.262
1.270
1.260
1.262
0.2
0.3
0.5
0.02
Reference Voltage
(Note 4)
LX8384/84A-00
V
REF
I
OUT
= 10mA, T
A
= 25°C
10mA
≤
I
OUT
≤
5A, 1.5V
≤
(V
IN
- V
OUT
), V
IN
≤
10V, P
≤
P
MAX
I
OUT
= 10mA, T
A
= 25°C
10mA
≤
I
OUT
≤
5A, 1.5V
≤
(V
IN
- V
OUT
), V
IN
≤
10V, P
≤
P
MAX
1.3V
≤
(V
IN
- V
OUT
), V
IN
≤
7V, I
OUT
= 10mA
1.3V
≤
(V
IN
- V
OUT
), V
IN
≤
10V, I
OUT
= 10mA
V
REF
(I
OUT
)
V
OUT
≥
V
REF
, V
IN
- V
OUT
= 3V, 10mA
≤
I
OUT
≤
5A
V
OUT
(Pwr)
T
A
= 25°C, 20ms pulse
V
OUT
= 5V, f =120Hz, C
OUT
= 100μf Tantalum, V
IN
= 6.5V
C
ADJ
= 10μF, I
OUT
= 5A
I
ADJ
I
ADJ
10mA
≤
I
OUT
≤
I
OUT (MAX)
, 1.3V
≤
(V
IN
- V
OUT
), V
IN
≤
10V
V
V
REF
= 1%, I
OUT
= 5A
V
REF
= 1%, I
OUT
= 5A
I
OUT (MIN)
V
IN
≤
10V
I
OUT (MAX)
(V
IN
- V
OUT
)
≤
7V
(V
IN
- V
OUT
)
≤
10V
V
OUT
(T)
V
OUT
(t) T
A
= 125°C, 1000 hours
T
A
= 25°C, 10Hz
≤
f
≤
10kHz
LX8384B-00
Line Regulation (Note 2)
V
REF
(V
IN
)
Load Regulation (Note 2)
Thermal Regulation
Ripple Rejection (Note 3)
Adjust Pin Current
Adjust Pin Current Change (Note 4)
Dropout Voltage
LX8384-00
LX8384A/84B-00
Minimum Load Current
Maximum Output Current
Temperature Stability (Note 3)
Long Term Stability (Note 3)
RMS Output Noise (% of V
OUT
) (Note 3) V
OUT (RMS)
V
V
V
V
%
%
%
%/W
dB
20
55
0.2
1.2
1.1
2
6
4
0.25
0.3
0.003
100
5
1.5
1.3
10
μA
μA
V
V
mA
A
A
%
%
%
5
3
1
Note 2. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to
heating effects are covered under the specification for thermal regulation.
Note 3. These parameters, although guaranteed, are not tested in production.
Note 4. See Maximum Output Current Section above.
Parameter
Symbol
Test Conditions
Units
LX8384/84A/84B-15
Min.
Typ.
1.485
1.50
1.470
1.50
1.488
1.50
1.485
1.50
1
1
2.5
0.01
60
83
4
1.2
1
5
6
0.25
0.3
0.003
Max.
1.515
1.530
1.512
1.515
3
5
7
0.02
Output Voltage
(Note 4)
LX8384/84A-15
V
OUT
V
IN
= 5V, I
OUT
= 0mA, T
A
= 25°C
4.75V
≤
V
IN
≤
10V, 0mA
≤
I
OUT
≤
5A, P
≤
P
MAX
V
IN
= 5V, I
OUT
= 0mA, T
A
= 25°C
4.75V
≤
V
IN
≤
10V, 0mA
≤
I
OUT
≤
5A, P
≤
P
MAX
4.75V
≤
V
IN
≤
7V
4.75V
≤
V
IN
≤
10V
V
OUT
(I
OUT
)
V
IN
= 5V, 0mA
≤
I
OUT
≤
I
OUT (MAX)
V
OUT
(Pwr)
T
A
= 25°C, 20ms pulse
C
OUT
= 100μF (Tantalum), I
OUT
= 5A
I
Q
0mA
≤
I
OUT
≤
I
OUT (MAX)
, 4.75V
≤
V
IN
≤
10V
V
V
OUT
= 1%, I
OUT
I
OUT (MAX)
V
OUT
= 1%, I
OUT
≤
I
OUT (MAX)
I
OUT (MAX)
V
IN
≤
7V
V
OUT
(T)
V
OUT
(t) T
A
= 125°C, 1000 hours
T
A
= 25°C, 10Hz
≤
f
≤
10kHz
LX8384B-15
Line Regulation (Note 2)
V
OUT
(V
IN
)
Load Regulation (Note 2)
Thermal Regulation
Ripple Rejection (Note 3)
Quiescent Current
Dropout Voltage
LX8384-15
LX8384A/84B-15
Maximum Output Current
Temperature Stability (Note 3)
Long Term Stability (Note 3)
RMS Output Noise (% of V
OUT
) (Note 3) V
OUT (RMS)
V
V
V
V
mV
mV
mV
% / W
dB
mA
V
V
A
%
%
%
10
1.5
1.3
1
LX8384-15 / 8384A-15 / 8384B-15
(1.5V Fixed)
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