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AMS1117CD
Adjustable Positive LDO Regulator, PSSO2, ROHS COMPLIANT, PLASTIC, TO-252, 3 PIN
AMS1117CD
Adjustable Positive LDO Regulator, PSSO2, ROHS COMPLIANT, PLASTIC, TO-252, 3 PIN
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Service & Packaging
Service & Packaging
About After Sales Service
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AMS1117CD DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
GENERAL DESCRIPTIONThe The AMS1117 series of adjustable and fixed voltage regulators are designed to provide 800mA output current and to operate down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V at maximum output current, decreasing at lower load currents.On-chip trimming adjusts the reference voltage to 1%. Current limit is also trimmed, minimizing the stress under overload conditions on both the regulator and power source circuitry.The AMS1117 devices are pin compatible with other three-terminal SCSI regulators and are offered in the low profile surface mount SOT-223 package and in the TO-252 (DPAK) plastic package.FEATURES• Three Terminal Adjustable or Fixed Voltages* 1.5V, 1.8V, 2.5V, 2.85V, 3.3V and 5.0V• Output Current of 800mA• Operates Down to 1V Dropout• Line Regulation: 0.2% Max.• Load Regulation: 0.4% Max.• SOT-223 and TO-252 package availableAPPLICATIONS• High Efficiency Linear Regulators• Post Regulators for Switching Supplies• 5V to 3.3V Linear Regulator• Battery Chargers• Active SCSI Terminators• Power Management for Notebook• Battery Powered Instrumentation
Key Features
- - Low dropout voltage
- - Load regulation: 0.2% typical
- - Optimized for Low Voltage
- - On-chip thermal limiting
- - Standard SOT-223 and TO-252 packages
- - Three-terminal adjustable or fixed low dropout
- 1.2V,1.5V,1.8V, 2.5V, 2.85V, 3.3V, 5V. Regulators
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Contact Manufacturer | Part Package Code | TO-252 |
| Pin Count ! | 4 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Input-Output Voltage Differential-Max | 12 V | Input-Output Voltage Differential-Min | 1.5 V |
| JESD-30 Code | R-PSSO-G2 | Length | 6.605 mm |
| Number of Functions | 1 | Number of Terminals | 2 |
| Operating Temperature TJ-Max | 125 °C | Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1 A | Package Body Material | PLASTIC/EPOXY |
| Package Code | TO-252 | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE | Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | Seated Height-Max | 2.39 mm |
| Surface Mount ! | YES | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 2.285 mm | Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Width | 6.096 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is AMS1117CD?
The AMS1117CD is a low dropout voltage regulator designed by Advanced Monolithic Systems. It is commonly used to provide a stable and regulated output voltage for various electronic circuits and devices, such as microcontrollers, sensors, and power management systems.
How Does AMS1117CD Work?
The AMS1117CD works by taking an input voltage that may vary within a certain range and providing a stable output voltage, typically with low dropout voltage. This regulated output voltage is maintained even when the input voltage fluctuates, ensuring consistent power supply to the connected components.
How Many Pins does AMS1117CD have and What are the Functions of the Pinout Configuration?
The AMS1117CD is housed in various packages such as SOT-223 and TO-252. The pinout configuration typically includes:
- Vin: Input voltage pin.
- Vout: Output voltage pin.
- GND: Ground pin.
- ADJ: Adjustable pin for some versions that allow for fine-tuning of the output voltage.
What are the Pros and Cons of AMS1117CD?
Pros:
- Stability: Provides stable and regulated output voltage for connected components.
- Low Dropout Voltage: Works with minimal voltage drop between the input and output, maximizing efficiency.
- Protection Features: May include overcurrent and thermal shutdown protection for enhanced reliability.
- Cost-Effective: Offers a cost-effective solution for voltage regulation in electronic circuits.
Cons:
- Heat Dissipation: May require a heat sink for higher current applications to dissipate heat effectively.
- Fixed Output Voltage: Some versions may have a fixed output voltage, limiting flexibility in certain applications.
- Quiescent Current: Draws a small amount of current even when the load is minimal, affecting overall power consumption.
Are There Any Equivalents/Alternatives to AMS1117CD for Recommendation?
- The LM1117 from Texas Instruments is a similar voltage regulator offering different voltage options.
- Alternatives to the AMS1117CD include the NCP1117 from ON Semiconductor and the MCP1703 from Microchip Technology.
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