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AMS2911CT Datasheet(PDF) 3 Page - Advanced Monolithic Systems

No. de pieza AMS2911CT
Descripción Electrónicos  1A LOW DROPOUT VOLTAGE REGULATOR
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Fabricante Electrónico  ADMOS [Advanced Monolithic Systems]
Página de inicio  http://www.advanced-monolithic.com
Logo ADMOS - Advanced Monolithic Systems

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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS2911
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min
Typ
Max
Units
Load Regulation
(Notes 2, 3)
AMS2911-2.85
VIN = 5V, 0 ≤ IOUT ≤ 1A
3
6
12
20
mV
mV
AMS2911-3.3
VIN = 5V, 0 ≤ IOUT ≤ 1A
3
7
15
25
mV
mV
AMS2911-5.0
VIN = 8V, 0 ≤ IOUT ≤ 1A
5
10
20
35
mV
mV
Dropout Voltage
(VIN - VOUT)
AMS2911-1.5/-1.8/-2.5/-
2.85/ -3.3/-5.0
∆V
OUT , ∆VREF = 1%, IOUT = 1A (Note 4)
1.3
1.5
V
Current Limit
AMS2911-1.5/-1.8/-2.5/-
2.85/ -3.3/-5.0
(VIN - VOUT) = 5V
.9
1.1
1.5
A
Minimum Load
Current
AMS2911
(VIN - VOUT) = 12V (Note 5)
5
10
mA
Quiescent Current
AMS2911-1.5/-1.8/-2.5/-
2.85/ -3.3/-5.0
VIN ≤ 12V
5
10
mA
Ripple Rejection
AMS2911
f =120Hz , COUT = 25µF Tantalum, IOUT = 1A,
(VIN-VOUT ) = 3V, CADJ =25µF
60
75
dB
AMS2911-1.5/-1.8/-2.5/-
2.85
f =120Hz , COUT = 25µF Tantalum, IOUT = 1A,
VIN = 6V
60
72
dB
AMS2911-3.3
f =120Hz , COUT = 25µF Tantalum, IOUT = 1A
VIN = 6.3V
60
72
dB
AMS2911-5
f =120Hz , COUT = 25µF Tantalum, IOUT = 1A
VIN = 8V
60
68
dB
Thermal Regulation
AMS2911
TA = 25°C, 30ms pulse
0.008
0.04
%W
Adjust Pin Current
AMS2911
10mA
≤ I
OUT ≤ 1A , 1.5V≤ (VIN - VOUT) ≤ 12V
55
120
µA
µA
Adjust Pin Current
Change
AMS2911
10mA
≤ I
OUT ≤ 1A , 1.5V≤ (VIN - 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
M Package: Control Circuitry/ Power Transistor
T Package: Control Circuitry/ Power Transistor
1.5/4.0
1.5/4.0
°C/W
°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 1.2W. 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 1.5 ≤ (VIN - VOUT) ≤12V the device is
guaranteed to regulate if the output current is greater than 10mA.


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