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Advanced Monolithic Systems

AMS1117-2.85 Datasheet Preview

AMS1117-2.85 Datasheet

1A LOW DROPOUT VOLTAGE REGULATOR

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Advanced
Monolithic
Systems
FEATURES
Three Terminal Adjustable or Fixed Voltages*
1.5V, 1.8V, 2.5V, 2.85V, 3.3V and 5.0V
Output Current of 1A
Operates Down to 1V Dropout
Line Regulation: 0.2% Max.
Load Regulation: 0.4% Max.
SOT-223, TO-252 and SO-8 package available
AMS1117
1A LOW DROPOUT VOLTAGE REGULATOR
RoHs Compliant
APPLICATIONS
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
5V to 3.3V Linear Regulator
Battery Chargers
Active SCSI Terminators
Power Management for Notebook
Battery Powered Instrumentation
GENERAL DESCRIPTION
TThhee AMS1117 series of adjustable and fixed voltage regulators are designed to provide up to1A output current and to operate
down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V, decreasing at lower
load currents.
On-chip trimming adjusts the reference voltage to 1.5%. Current limit is set to minimize the stress under overload conditions
on both the regulator and power source circuitry.
The AMS1117 devices are pin compatible with other three-terminal SCSI regulators and are offered in the low profile surface
mount SOT-223 package, in the 8L SOIC package and in the TO-252 (DPAK) plastic package.
ORDERING INFORMATION:
PACKAGE TYPE
TO-252
SOT-223
8L SOIC
AMS1117CD
AMS1117
AMS1117CS
AMS1117CD-1.5 AMS1117-1.5
AMS1117CS-1.5
AMS1117CD-1.8 AMS1117-1.8
AMS1117CS-1.8
AMS1117CD-2.5 AMS1117-2.5
AMS1117CS-2.5
AMS1117CD-2.85 AMS1117-2.85 AMS1117CS-2.85
AMS1117CD-3.3 AMS1117-3.3
AMS1117CS-3.3
AMS1117CD-5.0 AMS1117-5.0
AMS1117CS-5.0
*For additional available fixed voltages contact factory.
OPERATING JUNCTION
TEMPERATURE RANGE
-40 to 125° C
-40 to 125° C
-40 to 125° C
-40 to 125° C
-40 to 125° C
-40 to 125° C
-40 to 125° C
PIN CONNECTIONS
SOT-223 Top View
3 PIN FIXED/ADJUSTABLE
VERSION
1- Ground/Adjust
2- VOUT
3- VIN
1
2
3
8L SOIC Top View
GND/ADJ 1
VOUT 2
VOUT 3
VIN 4
8 N/C
7 VOUT
6 VOUT
5 N/C
TO-252 FRONT VIEW
TAB IS
3
OUTPUT
2
1
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723




Advanced Monolithic Systems

AMS1117-2.85 Datasheet Preview

AMS1117-2.85 Datasheet

1A LOW DROPOUT VOLTAGE REGULATOR

No Preview Available !

AMS1117
ABSOLUTE MAXIMUM RATINGS (Note 1)
Power Dissipation
Internally limited
Input Voltage
15V
Operating Junction Temperature Range
Control Section
-40°C to 125°C
Power Transistor
-40°C to 125°C
Storage temperature
- 65°C to +150°C
Soldering information
Lead Temperature (25 sec)
265°C
Thermal Resistance
SO-8 package
ϕ JA= 160°C/W
TO-252 package
ϕ JA= 80°C/W
SOT-223 package
ϕ JA= 90°C/W*
* With package soldering to copper area over backside
ground plane or internal power plane ϕ JA can vary from
46°C/W to >90°C/W depending on mounting technique and
the size of the copper area.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min Typ Max Units
Reference Voltage
(Note 2)
Output Voltage
(Note 2)
Line Regulation
AMS1117
AMS1117-1.5
AMS1117-1.8
AMS1117-2.5
AMS1117-2.85
AMS1117-3.3
AMS1117-5.0
AMS1117
AMS1117-1.5
AMS1117-1.8
AMS1117-2.5
AMS1117-2.85
AMS1117-3.3
AMS1117-5.0
Load Regulation
(Notes 2, 3)
AMS1117
AMS1117-1.5
AMS1117-1.8
AMS1117-2.5
IOUT = 10 mA
1.5V(VIN - VOUT) 12V
VIN = 3V
VIN = 3.3V
VIN = 4V
VIN = 4.35V
VIN = 4.8V
VIN = 6.5V
1.5V(VIN - VOUT) 12V
1.5V(VIN - VOUT) 12V
1.5V(VIN - VOUT) 12V
1.5V(VIN - VOUT) 12V
1.5V(VIN - VOUT) 12V
1.5V(VIN - VOUT) 12V
1.5V(VIN - VOUT) 12V
(VIN - VOUT) =1.5V, 10mA IOUT 0.8A
VIN = 3V, 0 IOUT 0.8A
VIN = 3.3V, 0 IOUT 0.8A
VIN = 5V, 0 IOUT 0.8A
1.232 1.250
1.268
V
1.2125 1.250
1.2875
V
1.478 1.500
1.522
V
1.455 1.500
1.545
V
1.773 1.800
1.827
V
1.746 1.800
1.854
V
2.463 2.500
2.537
V
2.425 2.500
2.575
V
2.808 2.850
2.892
V
2.7645 2.850
2.9355
V
3.251 3.300
3.349
V
3.201 3.300
3.399
V
4.925 5.000
5.075
V
4.850 5.000
5.150
V
0.015
0.2
%
0.035
0.2
%
0.3
5
mV
0.6
6
mV
0.3
5
mV
0.6
6
mV
0.3
6
mV
0.6
6
mV
0.3
6
mV
0.6
6
mV
0.5
10
mV
1.0
10
mV
0.5
10
mV
1.0
10
mV
0.1
0.3
%
0.2
0.4
%
3
10
mV
6
20
mV
3
10
mV
6
20
mV
3
12
mV
6
20
mV
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723


Part Number AMS1117-2.85
Description 1A LOW DROPOUT VOLTAGE REGULATOR
Maker Advanced Monolithic Systems
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