LTC3622HDE-23/5#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size

Package: DFN-10

Essence: The LTC3622HDE-23/5#PBF is a power management IC designed for various applications that require efficient power conversion and regulation.

Packaging/Quantity: The LTC3622HDE-23/5#PBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 20µA
• Efficiency: Up to 95%
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3622HDE-23/5#PBF features a DFN-10 package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. SW: Switch node connection
4. FB: Feedback voltage input
5. EN: Enable pin
6. SS: Soft-start capacitor connection
7. VOUT: Output voltage
8. PGND: Power ground
9. LX: Inductor connection
10. VREF: Reference voltage output

Functional Features

• High Efficiency: The LTC3622HDE-23/5#PBF offers high efficiency power conversion, minimizing energy loss during operation.
• Low Quiescent Current: With a low quiescent current of 20µA, the IC reduces power consumption in standby or idle modes.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.25V to 5.5V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to VIN, providing flexibility in powering different components.
• Small Package Size: The DFN-10 package ensures a compact form factor, ideal for space-constrained designs.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current - Wide input voltage range - Adjustable output voltage - Compact package size

Disadvantages: - Limited maximum output current (1A)

Working Principles

The LTC3622HDE-23/5#PBF operates as a step-down (buck) converter. It uses a high-frequency switching regulator to efficiently convert the input voltage to a lower, regulated output voltage. The feedback loop controls the duty cycle of the internal switch to maintain the desired output voltage.

Detailed Application Field Plans

The LTC3622HDE-23/5#PBF is suitable for various applications that require efficient power management, such as: - Portable electronic devices - Battery-powered systems - IoT devices - Wearable devices - Industrial equipment

Detailed and Complete Alternative Models

1. LTC3622HDE-23#PBF: Similar to LTC3622HDE-23/5#PBF, but without the adjustable output voltage feature.
2. LTC3622HDE-23/3#PBF: Similar to LTC3622HDE-23/5#PBF, but with a maximum output current of 300mA.
3. LTC3622HDE-23/ADJ#PBF: Similar to LTC3622HDE-23/5#PBF, but with an adjustable output voltage and a maximum output current of 1A.

These alternative models provide options based on specific requirements and constraints.

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