SMD Type
Integrate CirIcCuit
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AMS1117
0.1max +0.050.90
-0.0...
SMD Type
Integrate CirIcCuit
1A Low Dropout Positive Adjustable or Fixed-Mode
Regulator
AMS1117
0.1max +0.050.90
-0.05
+0.151.65 -0.15
Features
1.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 1.9V,2.5V, 3.3V, 5.0V
SOT-223
6.50+0.2 -0.2
3.00+0.1 -0.1 4
Unit: mm 3.50+0.2
-0.2
0.90+0.2 -0.2
7.00+0.3 -0.3
123 2.9 4.6
0.70+0.1 -0.1
1 Adj(GND) 2 Vout 3 Vin
Absolute Maximum Ratings Ta = 25
Parameter Maximum Input Voltage Power Dissipation Thermal Resistance Junction-to-Ambient Thermal Resistance Junction-to-Case * Operating Junction Temperature Range Storage Temperature
* Control Circuitry/Power
Transistor
Symbol Vin PD
JA JC
TOP TST
Rating 18
Internally Limited 117 15
0 to +150 -65 to +150
Block Diagram
Unit V
/W /W
www.kexin.com.cn 1
SMD Type
Integrate CirIcCuit
1A Low Dropout Positive Adjustable or Fixed-Mode
Regulator
AMS1117
Electrical Characteristics Ta = 25
Parameter Reference Voltage
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current Thermal Regulation Ripple Rejection Temperature Stability
Testconditons AMS1117-ADJ TJ=25 ,(VIN-OUT)=1.5V,IO=10mA AMS1117-1.5 IOUT = 10mA, TJ = 25 , 3V VIN 12V AMS1117-1.8 IOUT = 10mA, TJ = 25 , 3.3V VIN 12V AMS1117-1.9 IOUT = 10mA, TJ = 25 , 3.3V VIN 12V AMS1117-2.5 IOUT = 10mA, TJ = 25 , 4V VIN 12V AMS1117-3.3 IOUT = 10mA, TJ = 25 , 4.8...