仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Obsolete |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.5V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 50mA |
| Frequency-Switching | 12kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
概要
Description
The MAX1720EUTG is a step-up DC-DC converter designed by Maxim Integrated for boosting low voltages to higher, regulated output voltages. It is part of the MAX1720 series and is typically used in battery-powered applications where efficiency and compactness are crucial. The device is capable of operating with input voltages as low as 0.9V and can boost the output to a range of voltages, typically up to 5.5V, depending on the configuration.
Key features include its high efficiency, low quiescent current, and the ability to start up with low input voltage, making it ideal for use with single-cell batteries. It utilizes a fixed-frequency, current-mode PWM for precise control and stability. The compact design is suited for space-constrained applications, and it typically comes in a small SOT-23 package. Applications often include portable devices, medical instruments, and other electronics requiring efficient voltage conversion from lower-voltage battery sources.
Key features include its high efficiency, low quiescent current, and the ability to start up with low input voltage, making it ideal for use with single-cell batteries. It utilizes a fixed-frequency, current-mode PWM for precise control and stability. The compact design is suited for space-constrained applications, and it typically comes in a small SOT-23 package. Applications often include portable devices, medical instruments, and other electronics requiring efficient voltage conversion from lower-voltage battery sources.
Equivalent
The MAX1720EUTG is a step-up DC-DC converter from Maxim Integrated. Equivalent products could include:
1. Texas Instruments: TPS61040
2. ON Semiconductor: NCP1400
3. Microchip Technology: MCP1642
4. Analog Devices: ADP1612
These alternatives offer similar functionality but may have differences in specifications and performance characteristics, so reviewing the datasheets for compatibility with your specific application is recommended.
1. Texas Instruments: TPS61040
2. ON Semiconductor: NCP1400
3. Microchip Technology: MCP1642
4. Analog Devices: ADP1612
These alternatives offer similar functionality but may have differences in specifications and performance characteristics, so reviewing the datasheets for compatibility with your specific application is recommended.
Features
The MAX1720EUTG is a step-up DC-DC converter designed to provide efficient power management in compact electronic devices. Key features include:
1. High Efficiency: It operates with an efficiency of up to 90%, optimizing power usage.
2. Low Supply Current: Consumes just 12µA, which is ideal for battery-powered applications.
3. Adjustable Output Voltage: The output voltage can be adjusted from 2V to 5.5V.
4. Wide Input Voltage Range: Accepts inputs from 0.9V to VOUT, making it suitable for single-cell battery operation.
5. Fixed-Frequency PWM Operation: Ensures consistent performance and reduces noise.
6. Small Package: Available in a 5-pin SOT23 package, making it suitable for space-constrained designs.
7. Automatic Switching: Seamlessly switches between step-up and down modes to maintain output voltage.
8. Soft-Start Capability: Reduces inrush current during startup, enhancing reliability.
These features make the MAX1720EUTG ideal for use in portable devices, sensors, and other applications where space and power efficiency are critical.
1. High Efficiency: It operates with an efficiency of up to 90%, optimizing power usage.
2. Low Supply Current: Consumes just 12µA, which is ideal for battery-powered applications.
3. Adjustable Output Voltage: The output voltage can be adjusted from 2V to 5.5V.
4. Wide Input Voltage Range: Accepts inputs from 0.9V to VOUT, making it suitable for single-cell battery operation.
5. Fixed-Frequency PWM Operation: Ensures consistent performance and reduces noise.
6. Small Package: Available in a 5-pin SOT23 package, making it suitable for space-constrained designs.
7. Automatic Switching: Seamlessly switches between step-up and down modes to maintain output voltage.
8. Soft-Start Capability: Reduces inrush current during startup, enhancing reliability.
These features make the MAX1720EUTG ideal for use in portable devices, sensors, and other applications where space and power efficiency are critical.
Pinout
The MAX1720EUTG is a step-up DC-DC converter produced by Maxim Integrated, now part of Analog Devices. It is typically housed in a 6-pin SOT-23 package. The device is designed to efficiently boost low voltages to a higher, regulated output voltage, making it useful in battery-powered applications where extending battery life is critical.
Here is a brief overview of the pin functions:
1. LX (Pin 1): This is the switch pin, connected to the inductor for the step-up function.
2. GND (Pin 2): Ground reference for the device.
3. OUT (Pin 3): This pin is the output voltage pin. It should be connected to the output capacitor.
4. FB (Pin 4): Feedback pin for output voltage regulation. Connect this to a resistor divider from the output.
5. SHDN (Pin 5): Shutdown pin. A high-level signal here enables the device, while a low-level signal disables it.
6. IN (Pin 6): Input supply voltage. Connects to the input capacitor and power source.
These features make the MAX1720EUTG suitable for small, efficient power supply designs in portable electronics.
Here is a brief overview of the pin functions:
1. LX (Pin 1): This is the switch pin, connected to the inductor for the step-up function.
2. GND (Pin 2): Ground reference for the device.
3. OUT (Pin 3): This pin is the output voltage pin. It should be connected to the output capacitor.
4. FB (Pin 4): Feedback pin for output voltage regulation. Connect this to a resistor divider from the output.
5. SHDN (Pin 5): Shutdown pin. A high-level signal here enables the device, while a low-level signal disables it.
6. IN (Pin 6): Input supply voltage. Connects to the input capacitor and power source.
These features make the MAX1720EUTG suitable for small, efficient power supply designs in portable electronics.
Manufacturer
The MAX1720EUTG is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits. These components are used in various applications, including power management, sensors, and communication interfaces for consumer electronics, automotive, industrial, and healthcare markets.
Analog Devices, the parent company, is a leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They serve numerous industries with products that include data converters, amplifiers, RF ICs, power management products, and more. Their solutions are used in applications such as aerospace, communications, consumer electronics, healthcare, automotive, and industrial automation, among others.
The integration of Maxim Integrated into Analog Devices has expanded their portfolio and capabilities, strengthening their position in the semiconductor industry by offering comprehensive solutions that address both analog and digital needs.
Analog Devices, the parent company, is a leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They serve numerous industries with products that include data converters, amplifiers, RF ICs, power management products, and more. Their solutions are used in applications such as aerospace, communications, consumer electronics, healthcare, automotive, and industrial automation, among others.
The integration of Maxim Integrated into Analog Devices has expanded their portfolio and capabilities, strengthening their position in the semiconductor industry by offering comprehensive solutions that address both analog and digital needs.
Application
The MAX1720EUTG is a high-efficiency step-up DC-DC converter often used in battery-powered applications. Its typical application areas include portable devices such as smartphones, digital cameras, and MP3 players, where efficient power management is crucial for extending battery life. Additionally, it can be employed in medical devices, wireless sensors, and other low-voltage, low-power equipment that requires stable voltage output from a single-cell battery. Its compact size and low quiescent current make it suitable for space-constrained and energy-sensitive applications.
Package
The MAX1720EUTG is in a SOT-23-6 package. This is a small, surface-mount package that typically features six leads, making it suitable for compact designs.