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AMS1117 Datasheet Preview

AMS1117 Datasheet

1A Adiustable / Fixed Low Dropout Linear Requlator

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AMS1117(L)
1A Adiustable / Fixed Low Dropout Linear Requlator
Description
Features
The AMS1117 is a series of low dropout voltage Low Dropout Voltage
regulators which can provide up to 1A of output Load regulation:0.5% Max
current. The AMS1117 is available in six fixed Optimized for Low Voltage
voltage, 1.2, 1.8, 2.5, 3.3 and 5.0V. Additionally it is On-chip thermal limiting.
also available in adjustable version. On chip Maximum Input Voltage : 30V
precision trimming adjusts the reference/ output Adjustable Output Voltage or Fixed 1.2V, 1.8V,
voltage to within ± 2%. On-chip thermal limiting
provides protection against any combination of
overload and ambient temperatures that would
create excessive junction temperatures.
IP The AMS1117 series is available in SOT-223,
TO-252, SOT89 packages. A minimum of 10uF
tantalum capacitor is required at the output to
H improve the transient response and stability.
2.5V, 3.3V, 5V
Standard SOT-223,TO-252 ,SOT89 Packages
Applications
Post Regulator for switching DC/DC Converter
High Efficiency Linear Regulator
Battery Chargers
PC Add on Card
Motherboard clock supplies
LCD Monitor
Set-top Box
HOTC Block Diagram
1页共9




HOTCHIP

AMS1117 Datasheet Preview

AMS1117 Datasheet

1A Adiustable / Fixed Low Dropout Linear Requlator

No Preview Available !

Pin Description
AMS1117(L)
1A Adiustable / Fixed Low Dropout Linear Requlator
Absolute Maximum Ratings
IP Symbol
Description
VIN
Input Voltage
IOUT
TJ
H θ JA
θ JA
θ JA
C PD
PD
DC Output Current
Operating Junction Temperature Range
Thermal Resistance (SOT-223)
Thermal Resistance (TO-252)
Thermal Resistance (SOT89)
Maximum Power Dissipation (SOT-223)
Maximum Power Dissipation (TO-252)
HOT PD
Maximum Power Dissipation (SOT89)
Max
30
PD/(VIN-VOUT)
-40 to 125
135
100
200
750
1000
500
Units
V
mA
/W
/W
/W
mW
mW
mW
2页共9


Part Number AMS1117
Description 1A Adiustable / Fixed Low Dropout Linear Requlator
Maker HOTCHIP
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AMS1117 Datasheet PDF






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