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