Specifications
| Attribute | Value |
| Package | Strip |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Adjustable (Fixed) |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -6.5V |
| Voltage-Output(Min/Fixed) | -1.25V (-2.5V) |
| Voltage-Output(Max) | -5.5V |
| VoltageDropout(Max) | 0.24V @ 200mA |
| Current-Output | 200mA |
| Current-Quiescent(Iq) | 85 µA |
| Current-Supply(Max) | 125 µA |
| PSRR | 60dB (100Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Overview
Description
The MAX1735EUK25 is a high-efficiency, step-down DC-DC converter designed by Maxim Integrated, suitable for applications requiring a compact power solution. This device is optimized for battery-powered equipment due to its low quiescent current and high efficiency across various load currents. The MAX1735EUK25 operates with an input voltage range from 2.7V to 5.5V, ideal for single Li-ion cell or three-cell NiMH/NiCd battery applications. It delivers a fixed output voltage of 2.5V with a maximum output current of 300mA, making it suitable for powering low-voltage digital circuits.
The device features an internal synchronous rectifier, eliminating the need for an external Schottky diode, reducing component count, and improving efficiency. It also includes soft-start capabilities and over-current protection, ensuring reliable operation. Housed in a compact SOT23-5 package, the MAX1735EUK25 is ideal for space-constrained applications. Its low power consumption and minimal external components make it an excellent choice for portable devices, delivering consistent performance while maximizing battery life.
The device features an internal synchronous rectifier, eliminating the need for an external Schottky diode, reducing component count, and improving efficiency. It also includes soft-start capabilities and over-current protection, ensuring reliable operation. Housed in a compact SOT23-5 package, the MAX1735EUK25 is ideal for space-constrained applications. Its low power consumption and minimal external components make it an excellent choice for portable devices, delivering consistent performance while maximizing battery life.
Equivalent
The MAX1735EUK25 is a step-up DC-DC converter. Equivalent products might include other step-up converters with similar specifications from manufacturers like Texas Instruments, Analog Devices, or Linear Technology. Examples could include the TPS61070 from Texas Instruments or the LT1613 from Linear Technology. Ensure to compare parameters like input and output voltage range, current capacity, efficiency, and package type to find the best match. Always verify compatibility with your specific application requirements.
Features
The MAX1735EUK25 is a compact, highly efficient, step-up DC-DC converter designed for applications requiring a regulated output voltage. Key features include:
1. Wide Input Voltage Range: It operates from a 0.8V to 5.5V input voltage, supporting power sources like single or multiple-cell alkaline, NiCd, NiMH, or lithium batteries.
2. Fixed Output Voltage: The MAX1735EUK25 provides a fixed output voltage of 2.5V, making it suitable for powering low-voltage electronics.
3. High Efficiency: It achieves high efficiency across a wide range of load currents, prolonging battery life in portable devices.
4. Low Quiescent Current: The device features a low quiescent current, enhancing efficiency in light-load conditions.
5. Compact Package: Available in a small SOT23-5 package, the MAX1735EUK25 is suitable for space-constrained applications.
6. Protection Features: It includes features like low-battery detection, adjustable output voltage, and overload protection to ensure reliable operation.
These attributes make the MAX1735EUK25 a versatile choice for portable and battery-powered applications where efficiency and compact size are critical.
1. Wide Input Voltage Range: It operates from a 0.8V to 5.5V input voltage, supporting power sources like single or multiple-cell alkaline, NiCd, NiMH, or lithium batteries.
2. Fixed Output Voltage: The MAX1735EUK25 provides a fixed output voltage of 2.5V, making it suitable for powering low-voltage electronics.
3. High Efficiency: It achieves high efficiency across a wide range of load currents, prolonging battery life in portable devices.
4. Low Quiescent Current: The device features a low quiescent current, enhancing efficiency in light-load conditions.
5. Compact Package: Available in a small SOT23-5 package, the MAX1735EUK25 is suitable for space-constrained applications.
6. Protection Features: It includes features like low-battery detection, adjustable output voltage, and overload protection to ensure reliable operation.
These attributes make the MAX1735EUK25 a versatile choice for portable and battery-powered applications where efficiency and compact size are critical.
Pinout
The MAX1735EUK25 is a step-up DC-DC converter designed to provide a regulated output voltage from a lower input voltage source. It typically comes in a small SOT23 package, which usually consists of 5 or 6 pins.
Key functions of the MAX1735EUK25 include:
- Providing a fixed output voltage of 2.5V.
- Operating efficiently with low supply current, making it ideal for battery-powered applications.
- Incorporating an internal switch for boosting the input voltage.
- Utilizing pulse-frequency modulation (PFM) for improved efficiency at light loads.
The specific pin functions may include:
1. GND - Ground connection.
2. VOUT - Output voltage.
3. LX - Inductor connection for the switching circuit.
4. FB - Feedback input for output voltage regulation (if adjustable).
5. VIN - Input voltage supply.
6. SHDN or EN (if available) - Shutdown or enable pin to control the device operation.
For accurate pin descriptions and count, consulting the specific datasheet of the MAX1735EUK25 is recommended.
Key functions of the MAX1735EUK25 include:
- Providing a fixed output voltage of 2.5V.
- Operating efficiently with low supply current, making it ideal for battery-powered applications.
- Incorporating an internal switch for boosting the input voltage.
- Utilizing pulse-frequency modulation (PFM) for improved efficiency at light loads.
The specific pin functions may include:
1. GND - Ground connection.
2. VOUT - Output voltage.
3. LX - Inductor connection for the switching circuit.
4. FB - Feedback input for output voltage regulation (if adjustable).
5. VIN - Input voltage supply.
6. SHDN or EN (if available) - Shutdown or enable pin to control the device operation.
For accurate pin descriptions and count, consulting the specific datasheet of the MAX1735EUK25 is recommended.
Manufacturer
The MAX1735EUK25 is manufactured by Maxim Integrated. Maxim Integrated is a company that specializes in the design and manufacturing of analog and mixed-signal semiconductor products. Their products serve various markets, including automotive, industrial, communications, consumer, and computing electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a company that also focuses on analog technology, signal processing, power management, and other semiconductor solutions.
Application
The MAX1735EUK25 is a step-up DC-DC converter primarily used in battery-powered applications. Its key application areas include:
1. Portable Devices: Suitable for powering devices like MP3 players, PDAs, and digital cameras.
2. Battery-Powered Equipment: Ideal for applications requiring efficient power conversion from low-voltage batteries.
3. Handheld Instruments: Used in tools and meters that require lightweight and compact power solutions.
4. Wireless Devices: Supports devices that need efficient voltage boosting for enhanced wireless communication performance.
5. Consumer Electronics: Applied in gadgets that demand a reliable and efficient step-up voltage supply.
Its compact size and efficiency make it suitable for various low-power, portable electronics.
1. Portable Devices: Suitable for powering devices like MP3 players, PDAs, and digital cameras.
2. Battery-Powered Equipment: Ideal for applications requiring efficient power conversion from low-voltage batteries.
3. Handheld Instruments: Used in tools and meters that require lightweight and compact power solutions.
4. Wireless Devices: Supports devices that need efficient voltage boosting for enhanced wireless communication performance.
5. Consumer Electronics: Applied in gadgets that demand a reliable and efficient step-up voltage supply.
Its compact size and efficiency make it suitable for various low-power, portable electronics.
Package
The MAX1735EUK25 is available in a SOT-23-5 package. This package type is compact and is commonly used for small scale applications where limited space is a constraint.
