ADM8829ARTZ-REEL7

Switching Voltage Regulators CHARGED PUMP INVERTER I.C.
5,014 Effective Inventory

ADM8829ARTZ-REEL7

Effective Inventory5,014

Switching Voltage Regulators CHARGED PUMP INVERTER I.C.

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ADM8829ARTZ-REEL7 DataSheet
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ADM8829ARTZ-REEL7 Details

The ADM8829ARTZ-REEL7 is a high efficiency charge pump voltage inverter from Analog Devices, designed for powering displays, LEDs, and other electronic components requiring negative voltage supplies. This device offers a wide input voltage range, high efficiency conversion, and low quiescent current, making it suitable for battery-powered applications and portable devices.

Pinout

  • 1 (SW): Switch Node
  • 2 (GND): Ground
  • 3 (C1+): Flying Capacitor 1 Positive
  • 4 (C2-): Flying Capacitor 2 Negative
  • 5 (C2+): Flying Capacitor 2 Positive
  • 6 (C1-): Flying Capacitor 1 Negative
  • 7 (VOUT): Negative Output Voltage
  • 8 (VIN): Positive Input Voltage

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • High Efficiency: Provides high efficiency voltage inversion for optimal power usage.
  • Wide Input Voltage Range: Compatible with a wide range of input voltages for versatile applications.
  • Low Quiescent Current: Ensures minimal power consumption during standby or idle modes.
  • Compact Package: Housed in a compact and durable package for easy integration into various circuits.
  • Overvoltage Protection: Includes overvoltage protection to safeguard connected devices.

Application

  • Display Systems: Ideal for providing negative voltage supplies in display systems and backlighting applications.
  • LED Drivers: Suitable for LED drivers and lighting control circuits requiring negative voltage rails.
  • Portable Electronics: Used in portable devices and battery-powered electronics for efficient power management.

Where to Use

The ADM8829ARTZ-REEL7 is well-suited for applications requiring negative voltage generation, such as display systems, LED drivers, and portable electronics. It is particularly useful in scenarios where high efficiency and low power consumption are essential.

How to Use

Integrate the ADM8829ARTZ-REEL7 into your circuit by connecting the VIN pin to the positive input voltage and the SW pin to the switch node. Ensure proper connection of flying capacitors and ground for stable operation. The VOUT pin provides the negative output voltage required by the connected components. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the ADM8829ARTZ-REEL7 demonstrates how to set up the voltage inverter in your electronic system. It includes connections for input voltage, flying capacitors, and the negative output, ensuring proper functionality and performance.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • ADM8828ARTZ-REEL7: A similar charge pump voltage inverter with slightly different specifications.
  • MAX660: An alternative voltage inverter offering comparable features and performance.

Complementary

The ADM8829ARTZ-REEL7 can be paired with the ADM8829ARTZ-REEL7, which offers enhanced features such as higher efficiency and extended input voltage range, suitable for more demanding applications.

When selecting complementary voltage inverters, ensure compatibility with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the efficiency rating of the ADM8829ARTZ-REEL7?

A: The ADM8829ARTZ-REEL7 offers high efficiency voltage inversion, typically above 85%. Refer to the datasheet for detailed efficiency characteristics and operating conditions.

Q: Can the ADM8829ARTZ-REEL7 be used in automotive display systems?

A: Yes, the ADM8829ARTZ-REEL7 is suitable for automotive display systems and LED applications, providing reliable negative voltage supplies for various automotive electronics.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer Part # ADM8829ARTZ-REEL7 Package/Case SOT-23
Brand Analog Devices Product Categories Voltage References
Reference Voltage ! 2.5 V Output Voltage Adjustable
Voltage - Input 4.5 V to 16 V Temperature Coefficient ! 25 ppm/°C
Operating Temperature Range ! -40°C to +85°C Output Type Adjustable
Package Type Reel Packaging ! Tape & Reel

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification ADM8829ARTZ-REEL7 PDF Download

FAQs

What is ADM8829ARTZ-REEL7?

The ADM8829ARTZ-REEL7 is a switched-capacitor voltage inverter developed by Analog Devices. It is designed to generate a negative output voltage from a positive input voltage, making it suitable for applications requiring a negative power supply such as bias generators, LCDs, and op-amp supply.

How Does ADM8829ARTZ-REEL7 Work?

The ADM8829ARTZ-REEL7 operates as a voltage inverter by using switched-capacitor techniques to invert the input voltage. It includes an internal oscillator and control circuitry to enable efficient voltage conversion. The device provides a stable and regulated negative output voltage proportional to the input voltage.

How Many Pins does ADM8829ARTZ-REEL7 have and What are the Functions of the Pinout Configuration?

The ADM8829ARTZ-REEL7 is housed in a 8-lead thin-shrink small-outline package (TSSOP). The pinout configuration includes:

  • VIN: Positive supply voltage input pin.
  • GND: Ground pin.
  • VOUT: Negative output voltage pin.
  • NC: No connect pin.
  • PHS, POL, EN: Phase, polarity, and enable control pins, respectively.
  • C1-, C1+: Capacitor connections for the internal switched-capacitor circuitry.
  • C2-, C2+: Additional capacitor connections for improved performance.

What are the Pros and Cons of ADM8829ARTZ-REEL7?

Pros:

  • Efficient Voltage Conversion: Utilizes switched-capacitor techniques for efficient negative voltage generation.
  • Small Package: The 8-lead TSSOP package offers a compact form factor for space-constrained designs.
  • Internal Control Circuitry: Includes internal oscillator and control circuitry for simplified application integration.
  • Wide Input Voltage Range: Suitable for a wide range of input voltages for versatile applications.

Cons:

  • External Capacitors: Requires external capacitors for proper operation, adding to the overall component count and design complexity.
  • Output Current Limitations: May have limitations on maximum output current, requiring consideration for high current requirements.

Are There Any Equivalents/Alternatives to ADM8829ARTZ-REEL7 for Recommendation?

  • The ICL7660 from Intersil is a similar switched-capacitor voltage inverter with comparable features.
  • Alternatives to the ADM8829ARTZ-REEL7 include the MAX660 from Maxim Integrated and the LT1054 from Analog Devices.

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