AMS1117 footprint, schematic symbol and 3D model by Advanced Monolithic Systems

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Part Number AMS1117
Manufacturer Advanced Monolithic Systems
Pin Count 4
Part Category Integrated Circuit
Package Category SOT223 (3-Pin)
Footprint Name SOT223 (3-Pin) - AMS1117
Released Date Apr 15, 2021
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

AMS1117 Details

Manufacturer Part Number:
AMS1117
Pbfree Code:
Yes
Rohs Code:
Yes
Part Life Cycle Code:
Contact Manufacturer
Part Package Code:
SOT-223
Package Description:
ROHS COMPLIANT, PLASTIC, SOT-223, 4 PIN
Pin Count:
4
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
Advanced Monolithic Systems Inc
Input-Output Voltage Differential-Max:
12 V
Input-Output Voltage Differential-Min:
1.5 V
JESD-30 Code:
R-PDSO-G3
Length:
6.505 mm
Number of Functions:
1
Number of Terminals:
3
Operating Temperature TJ-Max:
125 °C
Operating Temperature TJ-Min:
-40 °C
Output Current1-Max:
1 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOT-223
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
NOT SPECIFIED
Regulator Type:
ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max:
1.8 mm
Surface Mount:
YES
Terminal Form:
GULL WING
Terminal Pitch:
2.29 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
NOT SPECIFIED
Width:
3.505 mm

AMS1117 Frequently Asked Questions (FAQs)

The AMS1117 can handle input voltages up to 15V, but it's recommended to keep the input voltage at least 2V above the output voltage to ensure proper regulation.
To ensure stability, use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of 0.5 ohms or less, and keep the input capacitance as close to the regulator as possible.
The AMS1117 can provide up to 1A of output current, but it's recommended to derate the output current based on the input voltage and ambient temperature to ensure reliable operation.
Use a heat sink with a thermal resistance of 10°C/W or less, and ensure good airflow around the regulator. Also, keep the input voltage and output current within the recommended limits to minimize power dissipation.
The AMS1117 is rated for operation up to 125°C, but its performance may degrade at high temperatures. Use a heat sink and ensure good airflow to keep the junction temperature below 125°C.

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