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AMS2908CD-50 Datasheet(PDF) 3 Page - Advanced Monolithic Systems

No. de pieza AMS2908CD-50
Descripción Electrónicos  800mA LOW DROPOUT VOLTAGE REGULATOR
Download  7 Pages
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Fabricante Electrónico  ADMOS [Advanced Monolithic Systems]
Página de inicio  http://www.advanced-monolithic.com
Logo ADMOS - Advanced Monolithic Systems

AMS2908CD-50 Datasheet(HTML) 3 Page - Advanced Monolithic Systems

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Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS2908
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min
Typ
Max
Units
Dropout Voltage
(VIN - VOUT)
AMS2908-1.5/-2.5/-2.85/
-3.3/-5.0
∆V
OUT ,
∆V
REF = 1%, IOUT = 800mA (Note 4)
1.1
1.3
V
Current Limit
AMS2908-1.5/-2.5/-2.85/
-3.3/-5.0
(VIN - VOUT) = 5V
900
1,100
1,500
mA
Minimum Load
Current
AMS2908
(VIN - VOUT) = 12V (Note 5)
5
10
mA
Quiescent Current
AMS2908-1.5/-2.5/-2.85/
-3.3/-5.0
VIN
≤ 12V
5
10
mA
Ripple Rejection
AMS2908
f =120Hz , COUT = 25
µF Tantalum, I
OUT = 800mA,
(VIN-VOUT ) = 3V, CADJ =25
µF
60
75
dB
AMS2908-1.5
f =120Hz , COUT = 25
µF Tantalum, I
OUT = 800mA,
VIN = 6V
60
72
dB
AMS2908-2.5
f =120Hz , COUT = 25
µF Tantalum, I
OUT = 800mA,
VIN = 6V
60
72
dB
AMS2908-2.85
f =120Hz , COUT = 25
µF Tantalum, I
OUT = 800mA,
VIN = 6V
60
72
dB
AMS2908-3.3
f =120Hz , COUT = 25
µF Tantalum, I
OUT = 800mA
VIN = 6.3V
60
72
dB
AMS2908-5.0
f =120Hz , COUT = 25
µF Tantalum, I
OUT = 800mA
VIN = 8V
60
68
dB
Thermal Regulation
AMS2908
TA = 25°C, 30ms pulse
0.008
0.04
%W
Adjust Pin Current
AMS2908
10mA
≤ I
OUT
≤ 800mA , 1.5V≤ (V
IN - VOUT)
≤ 12V
55
120
µA
µA
Adjust Pin Current
Change
AMS2908
10mA
≤ I
OUT
≤ 800mA , 1.5V≤ (V
IN - VOUT)
≤ 12V
0.2
5
µA
Temperature Stability
0.5
%
Long Term Stability
TA =125°C, 1000Hrs
0.3
1
%
RMS Output Noise
(% of VOUT )
TA = 25°C , 10Hz
≤ f ≤ 10kHz
0.003
%
Thermal Resistance
Junction-to-Case
15
°C/W
Parameters identified with boldface type apply over the full operating temperature range.
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the
Electrical Characteristics
. The guaranteed specifications apply only for the test conditions listed.
Note 2: Line and Load regulation are guaranteed up to the maximum power dissipation of 1.2 W. Power dissipation is determined by the input/output differential
and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.
Note 3: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction
temperature by low duty cycle pulse testing. Load regulation is measured at the output lead ~1/8” from the package.
Note 4: Dropout voltage is specified over the full output current range of the device.
Note 5: Minimum load current is defined as the minimum output current required to maintain regulation. When 1.5V
≤ (V
IN - VOUT)
≤ 12V the device is
guaranteed to regulate if the output current is greater than 10mA.


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