MAX764CSA-T

Product Overview

Use

This product is commonly used as a voltage converter or regulator in various electronic devices.

Characteristics

Input Voltage Range: 2.5V to 16V
Output Voltage Range: -1.25V to -15V
Output Current: Up to 100mA
Low Quiescent Current: 120µA (typical)
Low Shutdown Current: 0.01µA (typical)
Operating Temperature Range: -40°C to +85°C
Package Type: SOIC (Small Outline Integrated Circuit)
Package Dimensions: 3.91mm x 4.9mm
RoHS Compliant: Yes

Packaging/Quantity

The MAX764CSA-T is available in tape and reel packaging, with 2500 units per reel.

Specifications

Input Voltage Range: 2.5V to 16V
Output Voltage Range: -1.25V to -15V
Output Current: Up to 100mA
Dropout Voltage: 300mV (typical)
Line Regulation: 0.02%/V (typical)
Load Regulation: 0.05%/mA (typical)
Ripple Rejection: 70dB (typical)
Quiescent Current: 120µA (typical)
Shutdown Current: 0.01µA (typical)
Operating Temperature Range: -40°C to +85°C
Package Type: SOIC
Package Dimensions: 3.91mm x 4.9mm

Pin Configuration

The MAX764CSA-T has a total of 8 pins:

GND (Ground)
SHDN (Shutdown)
FB (Feedback)
VOUT (Output Voltage)
VIN (Input Voltage)
NC (No Connection)
NC (No Connection)
VOUT (Output Voltage)

Functional Features

Low quiescent current for power-saving operation.
Shutdown mode to minimize power consumption when not in use.
Wide input voltage range allows flexibility in various applications.
High output current capability for driving multiple loads.
Excellent line and load regulation for stable output voltage.

Advantages

Compact SOIC package for space-constrained designs.
Wide operating temperature range for versatile usage.
RoHS compliant, ensuring environmental friendliness.
Low dropout voltage minimizes power loss.
High ripple rejection for clean output voltage.

Disadvantages

Limited output current may not be suitable for high-power applications.
Negative output voltage limits its use in certain circuits.
Requires external components for proper operation.

Working Principles

The MAX764CSA-T is a voltage converter/regulator that utilizes an internal switching regulator to efficiently convert the input voltage to a regulated negative output voltage. It employs a feedback mechanism to maintain the desired output voltage within specified tolerances. The device operates by continuously adjusting the duty cycle of the internal switch to regulate the output voltage, while minimizing power loss through low dropout voltage.

Detailed Application Field Plans

The MAX764CSA-T finds application in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Industrial control systems - Automotive electronics - Medical equipment - Communication devices

Detailed and Complete Alternative Models

MAX765CSA-T: Similar specifications and features as MAX764CSA-T, with minor variations.
MAX766CSA-T: Higher output current capability (up to 200mA) compared to MAX764CSA-T.
MAX767CSA-T: Adjustable output voltage range (-1.25V to -15V) for increased flexibility.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX764CSA-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX764CSA-T in technical solutions:

Q: What is the MAX764CSA-T? A: The MAX764CSA-T is a high-efficiency, step-up DC-DC converter IC that can generate positive output voltages up to 28V.
Q: What is the input voltage range for the MAX764CSA-T? A: The input voltage range for the MAX764CSA-T is typically between 1.5V and 12V.
Q: What is the maximum output current of the MAX764CSA-T? A: The maximum output current of the MAX764CSA-T is 100mA.
Q: Can the MAX764CSA-T be used to power microcontrollers or other low-power devices? A: Yes, the MAX764CSA-T is suitable for powering low-power devices such as microcontrollers, sensors, and other small electronic components.
Q: Does the MAX764CSA-T require any external components for operation? A: Yes, the MAX764CSA-T requires a few external components such as capacitors and resistors for proper operation.
Q: Can the MAX764CSA-T operate with a wide temperature range? A: Yes, the MAX764CSA-T is designed to operate within a temperature range of -40°C to +85°C.
Q: Is the MAX764CSA-T capable of providing a regulated output voltage? A: Yes, the MAX764CSA-T has an internal feedback loop that helps maintain a stable and regulated output voltage.
Q: Can the MAX764CSA-T be used in battery-powered applications? A: Yes, the MAX764CSA-T is suitable for battery-powered applications as it has a low quiescent current and high efficiency.
Q: What is the typical efficiency of the MAX764CSA-T? A: The typical efficiency of the MAX764CSA-T is around 85% to 90%, depending on the input and output voltage levels.
Q: Are there any application notes or reference designs available for the MAX764CSA-T? A: Yes, Maxim Integrated provides application notes and reference designs that can help users in implementing the MAX764CSA-T in their technical solutions.

Please note that these answers are general and may vary based on specific design considerations and requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.