AMC DOC. #: AMC7584_E (LF)
Feb 2005
AMC7584
Copyright
© 2002, ADD Microtech Corp.
4
www.addmtek.com
7A LOW DROPOUT REGULATOR
RECOMMENDED OPERATING CONDITIONS
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Units
Input Voltage
VIN
4.0
7
V
Load Current (with adequate heatsinking)
I
O
0.010
7
A
Input Capacitor (VIN to GND)
1.0
µF
Output Capacitor with ESR of 10
Ω max., (VOUT to GND)
10
µF
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over the operating ambient temperature of 0
OC to +70 OC for
AMC7584; IO = 10mA, COUT = 10 µF, and are for DC characteristics only. (Low duty cycle pulse testing techniques
are used which maintains junction and case temperatures equal to the ambient temperature.)
AMC7584
Parameter
Symbol
Test Conditions
Min.
Typ. Max.
Units
AMC7584-2.5
VIN = 4V, TA = 25
OC
2.475 2.500 2.525
AMC7584-3.3
3.267 3.300 3.333
Output Voltage
AMC7584-5.0
VO
VIN = VOUT + 2V, TA = 25
OC
4.950 5.000 5.050
V
1.238 1.250 1.262
Reference
Voltage
AMC7584-ADJ
VREF
IO = 10 mA to 7A
1.230 1.250 1.270
V
Line Regulation (Note 2)
VOI
4V
≤ VIN ≤ 7V
0.005
0.2
%
AMC7584-2.5
VIN = 4V, 10mA ≤ IO ≤ 7A
AMC7584-3.3
AMC7584-5.0
Load regulation
(Note 2)
AMC7584-ADJ
VOL
VIN = VOUT + 2V, 10mA ≤ IO ≤ 7A
0.05
0.2
%
IO = 100mA
0.010 0.030
Dropout Voltage
V
4V
≤ VIN ≤ 7V
IO = 7A
1.100 1.300
V
Quiescent Current
IQ
4V
≤ VIN ≤ 7V, 100mA ≤ IO ≤ 7A
8
13
mA
Adj pin current
(AMC7584-ADJ only)
IADJ
4V
≤ VIN ≤ 7V, 100mA ≤ IO ≤ 7A
50
120
µA
Current Limit
ICL
4V
≤ VIN ≤ 7V
7
8
A
Output Noise Voltage (Note 3)
VO RMS 10HZ – 100kHZ, IO = 5mA
150
µVRMS
Long Term Stability (Note 3)
20
mV/1000hr
Ripple rejection (Note 3)
RR
fO = 120HZ, 1V RMS, I O = 100mA
66
dB
Note 2: Line and load regulation is guaranteed up to maximum power dissipation determined by input/output
differential and the output current. However, the maximum power will not be available over the full
input/output voltage range.
Note 3: These parameters, although guaranteed, are not tested in production prior to shipment
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