參數(shù)資料
型號： LX8587A-15CDD
廠商： MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類： 基準電壓源/電流源
英文描述： 3A LOW DROPOUT POSITIVE REGULATORS
中文描述： 1.5 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PSSO3
封裝： ROHS COMPLIANT, PLASTIC, TO-263, 3 PIN
文件頁數(shù)： 3/8頁
文件大小： 211K
代理商： LX8587A-15CDD
3A L
OW
D
ROPOUT
P
OSITIVE
R
E G U L ATORS
LX8587-xx/8587A-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 1998
Rev. 1.2 3/98
P
R O D U C T I O N
D
A T A
S
H E E T
E L E C T R I C A L C H A R A C T E R I S T I C S
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8587-xx/87A-xx with 0°C
≤
T
≤
125°C;
V
IN
- V
OUT
= 3V; I
OUT
= 3A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Symbol
Test Conditions
Units
LX8587/87A-00
Min.
Typ.
1.238
1.250
1.225
1.250
0.035
0.1
0.01
65
Max.
1.262
1.275
0.2
0.5
0.02
V
V
%
%
%/W
dB
83
55
0.2
1.1
1
2
5
0.25
100
5
1.3
1.2
10
μA
μA
V
V
mA
A
%
%
%
3.0
1
0.003
Reference Voltage
V
REF
I
OUT
= 10mA, T
A
= 25°C
10mA
≤
I
OUT
≤
3A, 1.5V
≤
(V
IN
- V
OUT
), V
IN
≤
7V, P
≤
P
MAX
V
REF
(V
IN
)
I
OUT
= 10mA, 1.5V
≤
(V
IN
- V
OUT
), V
IN
≤
7V
V
REF
(I
OUT
)
V
IN
- V
OUT
= 3V, 10mA
≤
I
OUT
≤
3A
V
OUT
(Pwr)
T
A
= 25°C, 20ms pulse
V
OUT
= 3.3V, f =120Hz, C
OUT
= 100μf Tantalum, V
IN
= 5V
C
ADJ
= 10μF, I
OUT
= 3A
I
ADJ
I
ADJ
10mA
≤
I
OUT
≤
3A, 1.5V
≤
(V
IN
- V
OUT
), V
IN
≤
7V
V
V
REF
= 1%, I
OUT
= 3A
V
REF
= 1%, I
OUT
= 3A
I
OUT(MIN)
V
IN
≤
7V
I
OUT(MAX)
1.4V
≤
(V
IN
- V
OUT
), V
IN
≤
7V
V
OUT
(T)
V
OUT
(t) T
A
= 125°C, 1000 hrs
V
OUT (RMS)
T
A
= 25°C, 10Hz
￡
f
￡
10kHz
Line Regulation (Note 2)
Load Regulation (Note 2)
Thermal Regulation
Ripple Rejection (Note 3)
Adjust Pin Current
Adjust Pin Current Change
Dropout Voltage
LX8587-00
LX8587A-00
Minimum Load Current
Maximum Output Current
Temperature Stability
Long Term Stability
RMS Output Noise (% of V
OUT
)
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.
Parameter
Symbol
Test Conditions
Units
LX8587-15/87A-15
Min.
Typ.
1.485
1.5
1.470
1.5
1
2
5
0.01
60
75
4
1.1
1
3.0
5.0
0.25
0.3
0.003
Max.
1.515
1.530
6
10
7.5
0.02
Output Voltage
V
OUT
V
IN
= 5V, I
OUT
= 0mA, T
A
= 25°C
3.0V
≤
V
IN
≤
7V, 0mA
≤
I
OUT
≤
3A, 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
= 3A
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
Line Regulation (Note 2)
V
OUT
(V
IN
)
Load Regulation (Note 2)
Thermal Regulation (Note 3)
Ripple Rejection (Note 3)
Quiescent Current
Dropout Voltage
LX8587-15
LX8587A-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
mV
mV
mV
% / W
dB
mA
V
V
A
%
%
%
10
1.3
1.2
1
LX8587-00/87A-00
(Adjustable)
LX8587-15/87A-15
(1.5V Fixed)
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