LX8582A-00 데이터 시트보기 (PDF) - Microsemi Corporation
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LX8582A-00 Datasheet PDF : 7 Pages
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PRODUCT DATABOOK 1996/1997
8 . 5 A LO W DR O P O U T PO S I T I V E RE G U L AT O R S
PR O D U C T I O N D ATA S H E E T
LX8582A-xx
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8582A-xxC with 0°C ≤ TA ≤ 125°C; VIN - VOUT =
3V; IOUT = 8.5A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
LX8582A-00 (Adjustable)
Parameter
Symbol
Test Conditions
LX8582A-00
Units
Min. Typ. Max.
Reference Voltage
Line Regulation (Note 2)
Load Regulation (Note 2)
Thermal Regulation
Ripple Rejection (Note 3)
Adjust Pin Current
Adjust Pin Current Change
Dropout Voltage
Minimum Load Current
Maximum Output Current
Temperature Stability
Long Term Stability
RMS Output Noise (% of VOUT)
VREF IOUT = 10mA, TA = 25°C
10mA ≤ IOUT ≤ 8.5A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V, P ≤ PMAX
∆VREF (VIN) IOUT = 10mA, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V
∆VREF (IOUT) (VIN - VOUT) = 3V, 10mA ≤ IOUT ≤ 8.5A
∆VOUT(Pwr) TA = 25°C, 20ms pulse
VOUT = 3.3V, f =120Hz, COUT = 100µf Tantalum, VIN = 5V
CADJ = 10µF, TA = 25°C, IOUT = 8.5A
IADJ
∆IADJ 10mA ≤ IOUT ≤ 8.5A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V
∆V ∆VREF = 1%, IOUT = 8.5A
IOUT(MIN) VIN ≤ 7V
IOUT(MAX) 1.4V ≤ (VIN - VOUT), VIN ≤ 7V
∆VOUT (T)
∆VOUT (t) TA = 125°C, 1000 hrs
VOUT (RMS) TA = 25°C, 10Hz ≤ f ≤ 10kHz
1.238
1.225
65
1.250
1.250
0.035
0.1
0.01
83
1.262
1.275
0.2
0.5
0.02
V
V
%
%
%/W
dB
55 100 µA
0.2
5
µA
1.1 1.3
V
2
10
mA
8.6 9.2
A
0.25
%
0.3
1
%
0.003
%
LX8582A-33 (3.3V Fixed)
Parameter
Symbol
Test Conditions
Output Voltage (Note 4)
VOUT VIN = 5V, IOUT = 0mA, TA = 25°C
4.75V ≤ VIN ≤ 10V, 0mA ≤ IOUT ≤ 8.5A, P ≤ PMAX
Line Regulation (Note 2)
∆VOUT 4.75V ≤ VIN ≤ 7V
(VIN) 4.75V ≤ VIN ≤ 10V
Load Regulation (Note 2)
∆VOUT (IOUT) VIN = 5V, 0mA ≤ IOUT ≤ IOUT (MAX)
Thermal Regulation (Note 3)
∆VOUT(Pwr) TA = 25°C, 20ms pulse
Ripple Rejection (Note 3)
COUT = 100µF (Tantalum), IOUT = 8.5A, TA = 25°C
Quiescent Current
IQ
0mA ≤ IOUT ≤ IOUT (MAX) , 4.75V ≤ VIN ≤ 10V
Dropout Voltage
∆V
∆VOUT = 1%, IOUT = IOUT (MAX)
Maximum Output Current
IOUT (MAX) VIN ≤ 7V
Temperature Stability (Note 3)
∆VOUT (T)
Long Term Stability (Note 3)
∆VOUT (t) TA = 125°C, 1000 hours
RMS Output Noise (% of VOUT) (Note 3) VOUT (RMS) TA = 25°C, 10Hz ≤ f ≤ 10kHz
LX8582A-33
Min. Typ. Max.
3.267 3.3 3.333
3.235 3.3 3.365
1
6
2
10
5
15
0.01 0.02
60
83
4
10
1.1 1.3
8.6 9.2
0.25
0.3
1
0.003
Units
V
V
mV
mV
mV
%/W
dB
mA
V
A
%
%
%
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.
Copyright © 1997
Rev. 1.1 1/97
3
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