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AMS5105 Datasheet(数据表) 3 Page - Advanced Monolithic Systems

部件型号  AMS5105
说明  500mA CMOS LOW DROPOUT VOLTAGE REGULATOR
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制造商  ADMOS [Advanced Monolithic Systems]
网页  http://www.advanced-monolithic.com
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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722 Fax (925) 443-0723
AMS5105
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at VIN =6V, VOUT =3V, IOUT =1mA, TJ=25°C, COUT = 2.2µF unless otherwise specified.
PARAMETER
CONDITIONS
(Note 2)
Min.
AMS5105
Typ.
Max.
Units
Adjustable Version
Reference Voltage
1.231
1.250
1.269
V
IOUT ≤ 100 mA, -25°C ≤T
J
≤ 125°C
Measured from FB pin to GROUND
1.218
1.250
1.282
V
Output Voltage Range
1.25
-
5
V
Line Regulation
VOUT + 1V ≤V
IN
≤ 6V
-
1.5
%
Load Regulation
1mA
≤I
O
≤ 100 mA
5mA
≤I
O
≤ 500 mA
0.3
1
1
2
%
%
Dropout Voltage
I
OUT
≤ 10 mA
I
OUT
= 100 mA
I
OUT
= 500 mA (Note 5)
20
100
400
25
125
500
mV
mV
mV
Quiescent Current
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 500 mA
RL = 500Ω, In disabled state, VENABLE = 0
350
350
350
100
450
450
450
500
µA
µA
µA
nA
Maximum Operational Input
Voltage
6
V
ENABLE
Threshold Voltage
Enabled
Disabled
VIN = 3V to 6V (Note 6)
60
-
-
-
-
15
% VIN
% VIN
ENABLE
Threshold Current
VENABLE = 0.6 x VIN, VIN = 3V to 6V
0.01
1
nA
Wake-Up Response Time
(from disabled state)
(Note 7)
-
20
30
µs
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. For guaranteed performance limits and associated test
conditions, see the Electrical Characteristics tables.
Note 2: To ensure constant junction temperature, low duty cycle pulse testing is used.
Note 3: Limits appearing in boldface type apply over the entire junction temperature range for operation. Limits appearing in normal type apply for
TA = TJ = 25°C.
Note 4: The maximum allowable power dissipation is a function of the maximum junction temperature TJ(MAX), the junction-to ambient thermal resistance θJ-A
and the ambient temperature TA. The maximum allowable power dissipation at any ambient temperature is calculated using:
-
J
A
J
T
-
(MAX)
T
P(MAX)
θ
=
Where the values of the junction-to-ambient thermal resistances are as follows: 220
°C/W for 5 lead SOT-23 (M1) and 160°C/W for the molded plastic SO-8 (S).
Note 5: Dropout Voltage is defined as the input to output differential at which the output voltage drops 100mV below its nominal value measured at 1V
differential.
Note 6: ENABLE Threshold Voltage levels are specified as a percentage of input voltage VIN. Quiescent current can be minimized by choosing VENABLE HIGH
equal to VIN.
Note 7: Time required for VOUT to reach 95% of output voltage setting after VENABLE is switched from 0V to VIN.




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