AMS1117
1A Adjustable/Fixed Low Dropout Linear Regulator
Block Diagram
V
IN
Thermal
Limit
Current
Limit
V
OUT
Substrate
GND (fixed output)
ADJ. (adjustable output)
Figure 3.
Block Diagram of
AMS1117
Electrical Characteristic
Typicals and limits appearing in normal type apply for T
J
=25℃.Limits appearing in Boldface type apply over the entire junction temperature for
operation,
-20℃to
125℃.
Symbol
Parameter
Reference
Voltage
Conditions
AMS1117
1.5V<=(V
IN
-V
OUT
)<=7V,10mA<=I
OUT
<=1A
I
OUT
= 10mA, V
IN
= 3.2V
AMS1117-1.2
,2.7V<= V <=8.2V
IN
AMS1117-1.5
,3.0V<= V <=8.5V
IN
AMS1117-1.8
,3.3V<= V <=8.8V
IN
Min
(Note
2)
1.225
1.176
1.152
1.470
1.764
2.450
Typ
(Note
1)
1.250
1.200
1.200
1.500
1.800
2.500
2.850
3.300
5.000
Max
(Note
2)
1.275
1.224
1.248
1.530
1.836
2.550
Units
V
V
REF
V
V
V
V
V
V
V
V
OUT
Output Voltage
10mA<=
I
OUT
<=1A
AMS1117-2.5
,4V<= V <= 9.5V
IN
AMS1117-2.85
, 4.35V <= V
IN
<= 9.85V
AMS1117-3.3
, 4.8V<= V <=10.3V
IN
AMS1117-5.0,6.5V<=V
<= 12V
IN
2.793
2.907
3.234
3.366
4.900
5.100
Advanced Monolithic Systems
http://www.ams-semitech.com
3
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
