Specifications
| Attribute | Value |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 125mA |
| Frequency-Switching | 125kHz, 250kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The MAX1680ESA is a high-efficiency, low-dropout linear voltage regulator designed for portable and battery-powered applications. It is part of the MAX1680 series, known for its low quiescent current and low dropout voltage, making it ideal for extending battery life. The device typically operates with a supply voltage range suitable for portable electronics and provides a fixed or adjustable output voltage.
Key features of the MAX1680ESA include its ability to deliver a stable output even with varying load currents, its thermal protection to prevent overheating, and its short-circuit protection for enhanced reliability. The regulator is housed in an 8-pin SOIC package, which is compact and suitable for space-constrained designs. It is often used in applications requiring efficient power management, such as handheld devices, portable communication equipment, and other low-power electronics. With minimal external components required, it simplifies the design process and aids in maintaining a clean power supply for sensitive circuits.
Key features of the MAX1680ESA include its ability to deliver a stable output even with varying load currents, its thermal protection to prevent overheating, and its short-circuit protection for enhanced reliability. The regulator is housed in an 8-pin SOIC package, which is compact and suitable for space-constrained designs. It is often used in applications requiring efficient power management, such as handheld devices, portable communication equipment, and other low-power electronics. With minimal external components required, it simplifies the design process and aids in maintaining a clean power supply for sensitive circuits.
Equivalent
The MAX1680ESA is a step-up DC-DC converter. Equivalent products from other manufacturers include:
1. LT1615 from Analog Devices
2. MC34063 from ON Semiconductor
3. NCP3063 from ON Semiconductor
4. TPS61040 from Texas Instruments
5. LM2621 from Texas Instruments
These alternatives may have different specifications, so it's crucial to compare datasheets to ensure compatibility with your application.
1. LT1615 from Analog Devices
2. MC34063 from ON Semiconductor
3. NCP3063 from ON Semiconductor
4. TPS61040 from Texas Instruments
5. LM2621 from Texas Instruments
These alternatives may have different specifications, so it's crucial to compare datasheets to ensure compatibility with your application.
Features
The MAX1680ESA is a step-down DC-DC voltage converter, specifically designed for low-power applications. Key features include:
1. Wide Input Voltage Range: It operates from a 2.7V to 5.5V input supply, making it versatile for battery-powered devices.
2. Output Voltage Flexibility: The output can be adjusted through feedback resistors, catering to various application needs.
3. High Efficiency: It provides efficient power conversion over a broad range of load conditions, optimizing battery life.
4. Low Quiescent Current: Minimizes power consumption in low-load or idle states, which is crucial for battery-operated gadgets.
5. Integrated Switches: The device incorporates internal switches, reducing the need for external components and saving board space.
6. Compact Package: Available in an 8-pin SO package (ESA), suitable for space-constrained designs.
7. Protection Features: Offers over-temperature and short-circuit protection, enhancing reliability and safety.
These features make the MAX1680ESA ideal for portable electronics and applications requiring efficient power management in a compact form factor.
1. Wide Input Voltage Range: It operates from a 2.7V to 5.5V input supply, making it versatile for battery-powered devices.
2. Output Voltage Flexibility: The output can be adjusted through feedback resistors, catering to various application needs.
3. High Efficiency: It provides efficient power conversion over a broad range of load conditions, optimizing battery life.
4. Low Quiescent Current: Minimizes power consumption in low-load or idle states, which is crucial for battery-operated gadgets.
5. Integrated Switches: The device incorporates internal switches, reducing the need for external components and saving board space.
6. Compact Package: Available in an 8-pin SO package (ESA), suitable for space-constrained designs.
7. Protection Features: Offers over-temperature and short-circuit protection, enhancing reliability and safety.
These features make the MAX1680ESA ideal for portable electronics and applications requiring efficient power management in a compact form factor.
Pinout
The MAX1680ESA is a step-up DC-DC converter integrated circuit designed by Maxim Integrated. It is available in an 8-pin SO (Small Outline) package. The primary function of the MAX1680ESA is to convert a lower input voltage to a higher output voltage, which is useful in applications requiring boosted voltage levels.
The pin configuration for the MAX1680ESA is as follows:
1. GND (Pin 1): Ground connection.
2. SHDN (Pin 2): Shutdown pin, used to enable or disable the device.
3. FB (Pin 3): Feedback pin, connected to the output voltage for regulation.
4. LX (Pin 4): Inductor connection pin, acts as the switching node to the inductor.
5. REF (Pin 5): Reference voltage output pin.
6. V+ (Pin 6): Supply voltage input pin.
7. OUT (Pin 7): Output voltage pin.
8. COMP (Pin 8): Compensation pin for stabilizing the feedback loop.
The MAX1680ESA is typically used in battery-powered devices, portable equipment, and any applications needing efficient voltage boosting.
The pin configuration for the MAX1680ESA is as follows:
1. GND (Pin 1): Ground connection.
2. SHDN (Pin 2): Shutdown pin, used to enable or disable the device.
3. FB (Pin 3): Feedback pin, connected to the output voltage for regulation.
4. LX (Pin 4): Inductor connection pin, acts as the switching node to the inductor.
5. REF (Pin 5): Reference voltage output pin.
6. V+ (Pin 6): Supply voltage input pin.
7. OUT (Pin 7): Output voltage pin.
8. COMP (Pin 8): Compensation pin for stabilizing the feedback loop.
The MAX1680ESA is typically used in battery-powered devices, portable equipment, and any applications needing efficient voltage boosting.
Manufacturer
The MAX1680ESA is manufactured by Maxim Integrated Products, Inc. Maxim Integrated is a company specializing in the design, development, and manufacture of analog and mixed-signal integrated circuits. Founded in 1983 and headquartered in San Jose, California, Maxim Integrated serves a wide range of industries, including consumer electronics, automotive, communications, industrial, and healthcare. The company's products are used for applications such as power management, interface, analog, and mixed-signal circuits. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a multinational semiconductor company, further expanding its reach and product portfolio in the semiconductor industry.
Application
The MAX1680ESA is a high-efficiency, step-up DC-DC converter used primarily in applications requiring efficient power conversion from low voltage sources. Its typical application areas include portable devices such as smartphones, tablets, and personal digital assistants (PDAs), where it provides the necessary voltage boost for components like displays or other critical circuitry. It is also used in battery-powered devices, ensuring extended battery life by efficiently managing power consumption. Additionally, the MAX1680ESA is suitable for powering sensors and modules in embedded systems, as well as in small IoT devices where space and power efficiency are critical. Its compact design and high efficiency make it ideal for any application requiring reliable voltage conversion.
Package
The MAX1680ESA is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package.
