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LX8584B-00CP Datasheet(PDF) 3 Page - Microsemi Corporation

Part # LX8584B-00CP
Description  7 A LOW DROPOUT POSITIVE REGULATORS
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

LX8584B-00CP Datasheet(HTML) 3 Page - Microsemi Corporation

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7A L OW D ROPOUT P OSITIVE R EGULA TORS
LX8584-xx/8584A-xx/8584B-xx
PRODUCT DA T ABOOK 1996/1997
3
Copyright © 1997
Rev. 1.2
4/97
P RODUCTION D AT A S HEET
Reference Voltage
LX8584/84A-00
V
REF
I
OUT = 10mA,
T
A = 25°C
10mA
≤ I
OUT ≤ 7A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V, P ≤ PMAX
LX8584B-00
I
OUT = 10mA,
T
A = 25°C
10mA
≤ I
OUT ≤ 7A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V, P ≤ PMAX
Line Regulation (Note 2)
∆V
REF (V IN)
I
OUT = 10mA, 1.5V ≤ (VIN - VOUT ), VIN ≤ 7V
Load Regulation (Note 2)
∆V
REF (IOUT)
V
IN - V OUT = 3V, 10mA ≤ IOUT ≤ 7A
Thermal Regulation
∆V
OUT(Pwr)
T
A = 25°C, 20ms pulse
Ripple Rejection (Note 3)
V
OUT =
3.3V, f =120Hz, C
OUT = 100µf
Tantalum, V
IN = 5V
C
ADJ = 10µF, I OUT = 7A
Adjust Pin Current
I
ADJ
Adjust Pin Current Change
∆I
ADJ
10mA
≤ I
OUT ≤ 7A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V
Dropout Voltage
LX8584A
∆V
∆V
REF = 1%, IOUT = 7A
LX8584/84B
∆V
REF = 1%, IOUT = 7A
LX8584/84B
∆V
REF = 1%, IOUT = 6A
Minimum Load Current
I
OUT(MIN)
V
IN ≤ 7V
Maximum Output Current
I
OUT (MAX)
1.4V
≤ (V
IN - VOUT), VIN ≤ 7V
Temperature Stability
∆V
OUT (T)
Long Term Stability
∆V
OUT (t)
T
A = 125°C, 1000 hrs
RMS Output Noise (% of V
OUT)VOUT (RMS)
T
A = 25°C, 10Hz ≤ f ≤ 10kHz
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8584-xxC/84A-xxC/84B-xxC with 0°C
≤ T
A ≤ 125°C;
V
IN - VOUT = 3V; IOUT = 7A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Symbol
Test Conditions
Units
LX8584/84A/84B-00
Min.
Typ.
Max.
1.238
1.250
1.263
V
1.225
1.250
1.275
V
1.240
1.250
1.260
V
1.238
1.250
1.263
V
0.035
0.2
%
0.1
0.5
%
0.01
0.02
%/W
65
83
dB
55
100
µA
0.2
5
µA
1.1
1.2
V
1.2
1.4
V
1.1
1.3
V
210
mA
78
A
0.25
%
0.3
1
%
0.003
%
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
LX8584/84A/84B-33
Min.
Typ.
Max.
Output Voltage
LX8584/84A-33
V
OUT
V
IN = 5V, IOUT = 0mA, TA = 25°C
4.75V
≤ V
IN
10V, 0mA
≤ I
OUT ≤ 7A, P ≤ PMAX
LX8584B-33
V
IN = 5V, IOUT = 0mA, TA = 25°C
4.75V
≤ V
IN
10V, 0mA
≤ I
OUT ≤ 7A, P ≤ PMAX
Line Regulation (Note 2)
∆V
OUT
4.75V
≤ V
IN ≤ 7V
(V
IN )
4.75V
≤ V
IN ≤ 10V
Load Regulation (Note 2)
∆V
OUT (IOUT)
V
IN = 5V, 0mA ≤ IOUT ≤ IOUT (MAX)
Thermal Regulation
∆V
OUT(Pwr)
T
A = 25°C, 20ms pulse
Ripple Rejection (Note 3)
C
OUT = 100µF (Tantalum), IOUT = 7.5V
Quiescent Current
I
Q
0mA
≤ I
OUT ≤ IOUT (MAX) , 4.75V ≤ VIN ≤ 10V
Dropout Voltage
LX8584-xx
∆V
∆V
OUT = 1%, IOUT = IOUT (MAX)
LX8584A-xx
∆V
OUT = 1%, IOUT = IOUT (MAX)
LX8584B-xx
∆V
OUT = 1%, IOUT = IOUT (MAX)
Maximum Output Current
I
OUT (MAX)
V
IN ≤ 7V
Temperature Stability (Note 3)
∆V
OUT (T)
Long Term Stability (Note 3)
∆V
OUT (t)
T
A = 125°C, 1000 hours
RMS Output Noise (% of V
OUT) (Note 3)
V
OUT (RMS)
T
A = 25°C, 10Hz ≤ f ≤ 10kHz
3.267
3.30
3.333
V
3.234
3.30
3.366
V
3.274
3.30
3.326
V
3.267
3.30
3.333
V
16
mV
210
mV
515
mV
0.01
0.02
% / W
60
83
dB
410
mA
1.4
V
1.2
V
1.4
V
`7
8
A
0.25
%
0.3
1
%
0.003
%
LX8584-00/84A-00/84B-00 (Adjustable)
LX8584-33/84A-33/84B-33 (3.3V Fixed)


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