MAX1735EUK50+T

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MAX1735EUK50+T

+Nomenclature

IC REG LIN NEG ADJ 200MA SOT23-5

  • FabricantAnalog Equipment GmbH / intégration Maxim

  • Pièce fabricant #MAX1735EUK50+T

  • Package SOT-23-5

  • En stock5586

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Spécifications

Attribut Valeur
Package Tape & Reel (TR)
ProductStatus Obsolete
OutputConfiguration Negative
OutputType Adjustable (Fixed)
NumberofRegulators 1
Voltage-Input(Max) -6.5V
Voltage-Output(Min/Fixed) -1.25V (-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

Présentation

Description

The MAX1735EUK50+T is a compact, efficient step-up DC-DC converter from Maxim Integrated, designed for portable devices. It operates in a fixed-frequency, pulse-width modulation (PWM) mode which provides a stable, regulated output voltage, making it ideal for battery-powered applications. The device features an internal switch, reducing the need for external components and simplifying the design process. With a 1.4V to 5.5V input voltage range, it is particularly suitable for alkaline, NiMH, or single Li-ion cell applications. The MAX1735EUK50+T is capable of delivering output voltages up to 5V, with an efficiency of up to 90%, ensuring minimal power loss. Its ultra-small SOT23-5 package makes it ideal for space-constrained applications. Additionally, the device includes features such as internal compensation, low battery detection, and over-temperature protection, enhancing safety and reliability. Overall, the MAX1735EUK50+T is a versatile solution for efficient and compact power conversion in portable electronic devices.

Equivalent

The MAX1735EUK50+T is a battery charge controller IC. Equivalent products from other manufacturers can include the MCP73831 by Microchip, the BQ24040 by Texas Instruments, and the LTC4054 by Analog Devices. These alternatives offer similar functionalities such as single-cell lithium-ion battery charging with features like thermal regulation and charge status indication. When choosing an equivalent, ensure the specifications like input voltage, charging current, and package type match your application needs.

Features

The MAX1735EUK50+T is a sophisticated, step-up DC-DC converter designed for efficient power management in portable devices. Key features include:
1. High Efficiency: Operates with efficiency up to 87%, minimizing power loss and heat generation, ideal for battery-powered applications.
2. Input Voltage Range: Supports a wide input voltage range, typically from 1V to 5.5V, making it versatile for various power sources.
3. Output Voltage: Provides a fixed 5V output voltage, suitable for a range of electronic devices.
4. Low Quiescent Current: The device consumes a minimal quiescent current, extending battery life when the device is idle.
5. Current Limiting: Features internal current limiting to protect the device from overload conditions.
6. Low-Power Shutdown Mode: Includes a shutdown mode that reduces current draw to a minimum, saving energy when the device is not in use.
7. Compact Packaging: Comes in a small SOT23 package, ideal for space-constrained applications.
These features make the MAX1735EUK50+T suitable for use in portable electronics where efficient power conversion and a compact design are critical.

Pinout

The MAX1735EUK50+T is a step-up DC-DC converter designed by Maxim Integrated. It typically comes in a 5-pin SOT23 package. The pin functions are as follows:
1. GND (Pin 1): Ground connection for the circuit.
2. LX (Pin 2): Drain of the internal N-channel MOSFET. This pin is connected to the inductor.
3. OUT (Pin 3): Output voltage sense pin. It also provides the bias for the internal circuitry.
4. FB (Pin 4): Feedback input for adjusting the output voltage. The output voltage is set by connecting a resistor divider between OUT, FB, and GND.
5. IN (Pin 5): Input supply pin for the battery or input voltage source.
The MAX1735EUK50+T is used for applications requiring efficient step-up voltage conversion and is capable of delivering regulated output voltages.

Manufacturer

The MAX1735EUK50+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. following their merger in 2021. Maxim Integrated is known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits. The company focuses on creating semiconductor solutions that enable efficient power management, battery management, analog signal processing, and interface solutions, among others. These components are used in various applications across industries, including consumer electronics, automotive, industrial, healthcare, and communications.

Application

The MAX1735EUK50+T is a step-up DC-DC converter commonly used in battery-powered devices. Its primary application areas include portable electronics such as digital cameras, handheld devices, and mobile phones, where efficient power conversion and extended battery life are critical. It is also used in consumer electronics requiring low power and compact size. The device supports applications needing regulated output from a lower voltage source, making it suitable for powering microcontrollers and other low-voltage ICs.

Package

The MAX1735EUK50+T is a DC-DC boost converter IC from Maxim Integrated. It typically comes in a small SOT-23-5 package, which is a 5-pin surface-mounted package suitable for compact applications.

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