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Fixed Positive LDO Regulator, 3.3V, 1.3V Dropout, PDSO3, SOT-223, 3 PIN
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
AMS1117-3.3 by Advanced Monolithic Systems Inc is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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Velocity Electronics | Our Stock | 2480 |
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RFQ | |
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LCSC | 72dB(120Hz) 1A Fixed 3.3V Positive electrode 16V SOT-223 Voltage Regulators - Linear Low Drop Out (LDO) Regulators ROHS | 195720 |
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$0.0989 / $0.1828 | Buy Now |
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AMS1117-3.3
Advanced Monolithic Systems Inc
Buy Now
Datasheet
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AMS1117-3.3
Advanced Monolithic Systems Inc
Fixed Positive LDO Regulator, 3.3V, 1.3V Dropout, PDSO3, SOT-223, 3 PIN
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Rohs Code | Yes | |
Part Life Cycle Code | Contact Manufacturer | |
Ihs Manufacturer | ADVANCED MONOLITHIC SYSTEMS INC | |
Package Description | SOT-223, 3 PIN | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Advanced | |
Dropout Voltage1-Max | 1.3 V | |
Dropout Voltage1-Nom | 1.1 V | |
JESD-30 Code | R-PDSO-G3 | |
Length | 6.505 mm | |
Load Regulation-Max | 0.025% | |
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 | |
Output Voltage1-Max | 3.399 V | |
Output Voltage1-Min | 3.201 V | |
Output Voltage1-Nom | 3.3 V | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | SOP | |
Package Equivalence Code | SOT-223 | |
Package Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE | |
Regulator Type | FIXED 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 | |
Voltage Tolerance-Max | 3% | |
Width | 3.505 mm |
The maximum input voltage is 15V, but it's recommended to keep it below 12V for reliable operation.
The AMS1117-3.3 is rated for operation up to 125°C, but thermal derating is required above 85°C. Ensure proper heat sinking and thermal management to prevent overheating.
Use a minimum output capacitance of 10uF with an ESR of 0.5Ω to 5Ω to ensure stability. Additionally, keep the input and output capacitors close to the regulator to minimize parasitic inductance.
The minimum input voltage required for proper regulation is 4.5V, but it's recommended to keep it above 5V for optimal performance.
Yes, the AMS1117-3.3 is suitable for battery-powered devices. However, consider the quiescent current (IQ) of 5mA and the dropout voltage (around 1.3V) when designing your power management system.