MAX1044ESA+T

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MAX1044ESA+T

IC REG CHARG PUMP INV 20MA 8SOIC

  • Manufacturer
  • Mfr. Part #MAX1044ESA+T
  • Package SOIC-8
  • Datasheet
  • In Stock2500

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Ratiometric
OutputConfiguration Positive or Negative
Topology Charge Pump
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 1.5V
Voltage-Input(Max) 10V
Voltage-Output(Min/Fixed) -Vin, nVin, Vin/2
Current-Output 20mA
Frequency-Switching 10kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The MAX1044ESA+T is a voltage converter integrated circuit designed by Maxim Integrated, now part of Analog Devices. It is a versatile charge pump voltage inverter that can efficiently double or invert input voltages. This IC is commonly used in applications where a negative voltage is required from a positive input, such as in generating a negative supply rail for op-amps within a circuit.
Key features of the MAX1044 include low quiescent current, high efficiency, and a wide input voltage range, typically from 1.5V to 10V. It can deliver up to 10mA of output current, making it suitable for low power applications. The "ESA" in the part number denotes the package type, which is a standard 8-pin small-outline integrated circuit (SOIC). The "+T" indicates that it is a lead-free, RoHS-compliant version, supplied in tape and reel packaging suitable for automated manufacturing processes.
Overall, the MAX1044ESA+T is favored in battery-powered devices, portable electronics, and other applications where compact, efficient power conversion is necessary.

Features

The MAX1044ESA+T is a charge-pump voltage converter IC designed for low-power applications. It efficiently inverts, doubles, or divides the input voltage, making it versatile for various power supply needs. Key features include:
1. Voltage Conversion: It can convert a positive input voltage to a negative output or double an input voltage, enhancing flexibility in circuit design.
2. Low Supply Voltage: Operates over a wide supply voltage range, typically from 1.5V to 11V.
3. High Efficiency: Provides high power conversion efficiency, which is crucial for battery-powered devices.
4. Low Quiescent Current: Consumes minimal power when idle, preserving battery life.
5. Compact Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for space-constrained applications.
6. Operating Temperature: Designed for a wide temperature range, ensuring reliability in diverse environments.
7. No Inductors Required: Simplifies the design by eliminating the need for inductors, reducing component count and cost.
These features make the MAX1044ESA+T ideal for portable and handheld devices, providing efficient power management solutions.

Package

The MAX1044ESA+T is an integrated circuit from Maxim Integrated, designed as a charge pump voltage converter. The "+T" in the part number typically indicates that it is supplied in tape and reel packaging, which is suitable for automated assembly processes. The "ESA" indicates the package type, which is an 8-pin SOIC (Small Outline Integrated Circuit).

Pinout

The MAX1044ESA+T is an 8-pin IC primarily used as a charge pump voltage converter. Here's a concise description of its pin count and functions:
1. Pin 1 (BOOST): An optional boost pin used to increase switching frequency by connecting to a capacitor.
2. Pin 2 (CAP+): Connects to the positive terminal of the charge pump capacitor.
3. Pin 3 (GND): Ground pin.
4. Pin 4 (CAP-): Connects to the negative terminal of the charge pump capacitor.
5. Pin 5 (OUT): The output pin provides the inverted voltage.
6. Pin 6 (LV): Low-voltage selection pin; if connected to GND, the IC is optimized for low voltage operations.
7. Pin 7 (OSC): An oscillator control pin for frequency selection or external clock input.
8. Pin 8 (V+): Supply voltage input pin.
The MAX1044ESA+T is commonly used for voltage inversion and doubling applications in various electronic circuits.

Manufacturer

The MAX1044ESA+T is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design, manufacturing, and marketing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides a wide range of products and solutions used in various applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is recognized for its innovation in the field of electronics and is a key player in providing components for signal processing, power management, and conversion technologies.

Application

The MAX1044ESA+T is a charge pump voltage converter often used in applications such as generating a negative supply voltage from a positive input, voltage doubling, and inverting applications. It's commonly employed in battery-powered devices, operational amplifier circuits, data acquisition systems, and portable equipment where compact, efficient voltage conversion is needed without inductors.

Equivalent

The MAX1044ESA+T is a charge-pump voltage converter. Equivalent or similar products include the ICL7660, LTC1044, TC1044, and MC7660. These chips perform similar functions, providing voltage conversion (e.g., inverting or doubling) for low-power applications. However, check specific datasheets for compatibility in terms of voltage range, current capacity, and other specifications.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

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UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

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