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規格
| 屬性 | 價值 |
| Package/Case | SOIC-Narrow-8 |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 85 C |
| Series | MAX889 |
| Brand | Analog Devices / Maxim Integrated |
| ProductType | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| MountingStyle | SMD/SMT |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| Topology | Inverting |
| OutputVoltage | - 2.5 V to - 5.5 V |
| OutputCurrent | 200 mA |
| NumberofOutputs | 1 Output |
| InputVoltage-Max | 5.5 V |
| SwitchingFrequency | 1 MHz |
| FactoryPackQuantity:FactoryPackQuantity | 100 |
| Packaging | Tube |
| Part#Aliases | MAX889 |
| Type | Voltage Converter |
| UnitWeight | 0.006596 oz |
| Height | 1.5 mm |
| Function | Inverting |
| Length | 5 mm |
| Width | 4 mm |
概述
Description
The MAX889SESA is a low-dropout (LDO) voltage regulator designed for applications requiring a stable output voltage with minimal input-output voltage differential. It delivers a high output current while maintaining low noise and power dissipation, making it suitable for battery-powered devices and sensitive analog circuits.
Key features include an output voltage range of 1.5V to 5V, a maximum output current of 1A, and a low dropout voltage of typically 300mV at full load. The device incorporates thermal shutdown and current limiting for enhanced reliability and protection. Its compact package, often in a small 5-pin SOT23 or similar footprint, facilitates space-constrained designs.
The MAX889SESA also boasts a high power supply rejection ratio (PSRR), which minimizes the impact of supply voltage fluctuations on the output. This makes it particularly useful in noise-sensitive applications. Overall, the MAX889SESA is ideal for portable electronics, RF applications, and other systems where precise voltage regulation is critical.
Key features include an output voltage range of 1.5V to 5V, a maximum output current of 1A, and a low dropout voltage of typically 300mV at full load. The device incorporates thermal shutdown and current limiting for enhanced reliability and protection. Its compact package, often in a small 5-pin SOT23 or similar footprint, facilitates space-constrained designs.
The MAX889SESA also boasts a high power supply rejection ratio (PSRR), which minimizes the impact of supply voltage fluctuations on the output. This makes it particularly useful in noise-sensitive applications. Overall, the MAX889SESA is ideal for portable electronics, RF applications, and other systems where precise voltage regulation is critical.
Equivalent
The MAX889SESA chip is a low-dropout (LDO) voltage regulator. Equivalent products include the LT1086, LM1117 MCP1700, and TPS780. Always check the specific requirements such as output voltage, current rating, and package type to ensure compatibility with your application.
Features
The MAX889SESA is a low-dropout (LDO) voltage regulator designed for various applications. Here are its key features:
1. Output Voltage: Fixed output options typically available at 3.3V or 5V.
2. Low Dropout Voltage: Typically around 200mV at 100mA load, allowing for efficient operation with minimal input-output voltage difference.
3. Output Current Capacity: Capable of delivering up to 1A, making it suitable for powering various devices.
4. Power Supply Rejection Ratio (PSRR): High PSRR ensures stable output voltage despite fluctuations in the input voltage or load conditions.
5. Thermal Shutdown: Integrated thermal protection prevents damage from overheating.
6. Short-Circuit Protection: Safeguards the regulator from damage in short-circuit conditions.
7. Compact Package: Available in a small 8-pin SOIC package, suitable for space-constrained designs.
8. Low Quiescent Current: Ensures energy efficiency, allowing for battery-operated applications.
These features make the MAX889SESA ideal for powering sensitive analog and digital circuits.
1. Output Voltage: Fixed output options typically available at 3.3V or 5V.
2. Low Dropout Voltage: Typically around 200mV at 100mA load, allowing for efficient operation with minimal input-output voltage difference.
3. Output Current Capacity: Capable of delivering up to 1A, making it suitable for powering various devices.
4. Power Supply Rejection Ratio (PSRR): High PSRR ensures stable output voltage despite fluctuations in the input voltage or load conditions.
5. Thermal Shutdown: Integrated thermal protection prevents damage from overheating.
6. Short-Circuit Protection: Safeguards the regulator from damage in short-circuit conditions.
7. Compact Package: Available in a small 8-pin SOIC package, suitable for space-constrained designs.
8. Low Quiescent Current: Ensures energy efficiency, allowing for battery-operated applications.
These features make the MAX889SESA ideal for powering sensitive analog and digital circuits.
Pinout
The MAX889SESA is a voltage regulator with an 8-pin package. Its primary function is to provide a low-dropout (LDO) voltage regulation for various electronic applications. The pin configuration is as follows:
1. Input (VIN): Supply voltage input.
2. Output (VOUT): Regulated output voltage.
3. Ground (GND): Common ground connection.
4. Enable (EN): Active-high pin to enable or disable the regulator.
5. Adjust (ADJ): Used for adjusting the output voltage in adjustable versions.
6. Bypass (BP): For noise reduction (if applicable).
7. N/C (Not Connected): No internal connection; can be left floating.
8. Thermal Pad: For heat dissipation (if applicable).
The MAX889SESA is designed for low-power applications, providing stable voltage with low dropout voltage, making it suitable for battery-operated devices.
1. Input (VIN): Supply voltage input.
2. Output (VOUT): Regulated output voltage.
3. Ground (GND): Common ground connection.
4. Enable (EN): Active-high pin to enable or disable the regulator.
5. Adjust (ADJ): Used for adjusting the output voltage in adjustable versions.
6. Bypass (BP): For noise reduction (if applicable).
7. N/C (Not Connected): No internal connection; can be left floating.
8. Thermal Pad: For heat dissipation (if applicable).
The MAX889SESA is designed for low-power applications, providing stable voltage with low dropout voltage, making it suitable for battery-operated devices.
Manufacturer
The MAX889SESA is manufactured by Maxim Integrated, a company known for designing and producing analog and mixed-signal integrated circuits (ICs). In 2020, Maxim Integrated was acquired by Analog Devices, Inc., a leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.
Maxim Integrated's product portfolio includes a wide range of solutions such as power management, signal conditioning, and interface devices, serving various markets including automotive, communications, industrial, and consumer electronics. The company is recognized for its innovative technologies and focus on high-quality, reliable semiconductor solutions. After the acquisition, it continues to operate under the Analog Devices umbrella, enhancing the latter's capabilities in the semiconductor space.
Maxim Integrated's product portfolio includes a wide range of solutions such as power management, signal conditioning, and interface devices, serving various markets including automotive, communications, industrial, and consumer electronics. The company is recognized for its innovative technologies and focus on high-quality, reliable semiconductor solutions. After the acquisition, it continues to operate under the Analog Devices umbrella, enhancing the latter's capabilities in the semiconductor space.
Application
The MAX889SESA is a low-dropout (LDO) linear voltage regulator primarily used in applications requiring stable power supply with minimal noise. Key application areas include:
1. Portable Devices: Smartphones, tablets, and wearable electronics.
2. Consumer Electronics: Audio devices, cameras, and gaming consoles.
3. Industrial Equipment: Sensors and control systems needing precise voltage regulation.
4. Telecommunications: Base stations and routers requiring reliable power.
5. Automotive: Power management in automotive electronics.
Its features ensure it provides consistent voltage, high efficiency, and low output noise across these diverse applications.
1. Portable Devices: Smartphones, tablets, and wearable electronics.
2. Consumer Electronics: Audio devices, cameras, and gaming consoles.
3. Industrial Equipment: Sensors and control systems needing precise voltage regulation.
4. Telecommunications: Base stations and routers requiring reliable power.
5. Automotive: Power management in automotive electronics.
Its features ensure it provides consistent voltage, high efficiency, and low output noise across these diverse applications.
Package
The MAX889SESA is packaged in a 5-pin SOT23 (small outline transistor) type.