CDCR81DBQR

Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High Efficiency, Low Power Consumption
Package: DBQR (Dual Flat No-Lead)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel / 2500 units per reel

Specifications and Parameters

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.8V to 3.6V
Maximum Output Current: 1A
Dropout Voltage: 200mV at 1A
Quiescent Current: 60µA
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CDCR81DBQR has a total of 10 pins. The pin configuration is as follows:

VIN: Input Voltage
GND: Ground
EN: Enable Pin
FB: Feedback Pin
VOUT: Output Voltage
PGND: Power Ground
NC: No Connection
NC: No Connection
NC: No Connection
VREF: Reference Voltage

Functional Characteristics

High efficiency voltage regulation
Low power consumption
Overcurrent protection
Thermal shutdown protection
Short-circuit protection
Fast transient response

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Compact package size - Excellent load and line regulation

Disadvantages: - Limited maximum output current - Requires external components for stability

Applicable Range of Products

The CDCR81DBQR is suitable for a wide range of applications that require efficient voltage regulation, such as: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices

Working Principles

The CDCR81DBQR is a voltage regulator that maintains a stable output voltage regardless of changes in the input voltage or load conditions. It achieves this by using a feedback mechanism to continuously adjust the output voltage based on the reference voltage and the feedback voltage.

Detailed Application Field Plans

The CDCR81DBQR can be used in various applications, including: 1. Mobile phones: Provides stable power supply for the main processor and other components. 2. Portable gaming consoles: Regulates the voltage for the display, audio, and other subsystems. 3. Wireless communication devices: Ensures consistent power delivery to the RF circuitry. 4. Medical devices: Provides reliable power for critical components. 5. Industrial control systems: Maintains stable voltage for sensors and actuators.

Detailed Alternative Models

Some alternative models to the CDCR81DBQR include: - CDCR82DBQR - CDCR83DBQR - CDCR84DBQR - CDCR85DBQR - CDCR86DBQR

5 Common Technical Questions and Answers

Q: What is the maximum output current of the CDCR81DBQR? A: The CDCR81DBQR has a maximum output current of 1A.
Q: What is the operating temperature range of the CDCR81DBQR? A: The CDCR81DBQR can operate within a temperature range of -40°C to +85°C.
Q: Does the CDCR81DBQR have overcurrent protection? A: Yes, the CDCR81DBQR features overcurrent protection to prevent damage to the device and connected components.
Q: Can the CDCR81DBQR be used in battery-powered devices? A: Yes, the CDCR81DBQR is suitable for battery-powered devices due to its low power consumption and wide input voltage range.
Q: What package does the CDCR81DBQR come in? A: The CDCR81DBQR is packaged in a DBQR (Dual Flat No-Lead) package, and it is supplied in tape and reel format with 2500 units per reel.

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