VOLTAGE REGULATOR. AMS5105 Datasheet

AMS5105 REGULATOR. Datasheet pdf. Equivalent

Part AMS5105
Description 500mA CMOS LOW DROPOUT VOLTAGE REGULATOR
Feature www.DataSheet4U.com Advanced Monolithic Systems FEATURES • Fixed and Adjustable Versions Available .
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AMS5105
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Advanced
Monolithic
Systems
AMS5105
500mA CMOS LOW DROPOUT VOLTAGE REGULATOR
RoHS compliant
FEATURES
Fixed and Adjustable Versions Available
Output Current up to 500mA
Very Low Quiescent Current
Input-output Differential less than 0.5V
Short Circuit Protection
Internal Thermal Overload Protection
ENABLE Pin available in selected packages
APPLICATIONS
Cellular Telephones
Portable Consumer Equipment
Portable (Notebook) Computers
Battery Powered Systems
Portable Instrumentation
Radio Control Systems
CD/DVD drives
GENERAL DESCRIPTION
The AMS5105 series consists of positive fixed and adjustable voltage regulators ideally suited for use in battery-powered
systems. These devices feature very low quiescent current (500uA or less) when supplying loads up to 500mA, and a standby
current less than 500nA when disabled using the ENABLE pin (available in selected packages). These unique characteristics
and the low input-output differential required for proper regulation (0.5V for output currents of 500mA) make the AMS5105
ideal for use in standby power systems. Internal current limiting and thermal shutdown features provide protection for all
AMS5105 series devices regardless of package type. The AMS5105 is offered as fixed voltage regulators in the 5 lead SOT-23,
SOT-89, SOT-223, and 8 lead SOIC packages, and as adjustable voltage regulators in the 5 lead SOT-23 and 8 lead SOIC
packages. All devices in the 5 lead SOT-23 and 8 lead SOIC packages are provided with ENABLE pin.
ORDERING INFORMATION
OUTPUT
VOLTAGE
5L SOT-23
FIXED
AMS5105M1-X
ADJUSTABLE AMS5105M1
X = 1.5V, 1.8V, 2.5V, 2.8V, 3.3V.
PACKAGE TYPE
SOT-89
SOT-223
AMS5105L-X
AMS5105-X
SO-8
AMS5105S-X
AMS5105S
TEMP.
RANGE
-25C to 125C
-25C to 125C
PIN CONNECTIONS
5 Lead SOT-23
(M1)
SOT-89
(L)
SOT-223
8 Lead SOIC
(S)
VIN 1
GROUND 2
ENABLE 3
5 VOUT
4
FB
N/C
Top View
123
VOUT GND VIN
Top View
123
VOUT GND VIN
Top View
VOUT 1
GROUND 2
GROUND 3
FB 4
N/C
8 VIN
7 GROUND
6 GROUND
5 ENABLE
N/C
Top View
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723



AMS5105
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage
-0.3 to +6.5V
Internal Power Dissipation (Note 4) Internally Limited
ESD 2000V
AMS5105
Maximum Junction Temperature
+125°C
Storage Temperature
-65°C to +150°C
Lead Temperature (Soldering 25 sec)
265°C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at VIN =VOUT +1V, IOUT =1mA, TJ=25°C, COUT = 2.2µF unless otherwise specified.
PARAMETER
CONDITIONS
AMS5105-X
Min. Typ. Max.
Fixed Output Voltage Versions
Output Voltage Tolerance
Line Regulation
(VOUT+1V) VIN 6V, IOUT=100 mA
-25°C T 125°C
J
(VIN+1V)
V
IN
6V
Load Regulation
Dropout Voltage
Quiescent Current
Maximum Operational Input
Voltage
ENABLE Threshold Voltage
Enabled
Disabled
ENABLE Threshold Current
Wake-Up Response Time
(from disabled state)
1mA I 100 mA
OUT
5mA I 500 mA
OUT
I = 10 mA
OUT
I = 100 mA
OUT
I = 500 mA
OUT
I = 10 mA
OUT
I = 100 mA
OUT
I = 500 mA
OUT
RL = 500Ω, In disabled state, VENABLE = 0
VIN = 3V to 6V (Note 6)
VENABLE = 0.6 x VIN, VIN = 3V to 6V
(Note 7)
-1.5
- 3.0
60
-
5
8
30
50
20
100
400
450
450
450
100
-
-
0.01
20
+1.5
+ 3.0
10
30
50
70
25
125
500
550
550
550
500
6
15
1
30
Units
%
%
mV/V
mV/V
mV
mV
mV
mV
mV
µA
µA
µA
nA
V
% VIN
% VIN
nA
µs
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723





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