LTC4233CWHH#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Overcurrent Protection - Thermal Shutdown Protection

Package: 20-Lead TSSOP

Essence: The LTC4233CWHH#PBF is a power management IC designed to provide efficient and reliable power distribution in various electronic systems.

Packaging/Quantity: The LTC4233CWHH#PBF is available in a 20-Lead Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.9V to 18V
• Output Voltage Range: 0.8V to 5.5V
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 85°C
• Overcurrent Threshold: Adjustable
• Thermal Shutdown Temperature: 150°C

Pin Configuration

The LTC4233CWHH#PBF features a 20-Lead TSSOP package with the following pin configuration:

1. VIN
2. GND
3. VOUT
4. PGND
5. EN
6. OCSET
7. SS
8. FB
9. COMP
10. VREF
11. VCC
12. VCC
13. VCC
14. VCC
15. VCC
16. VCC
17. VCC
18. VCC
19. VCC
20. VCC

Functional Features

1. High Efficiency: The LTC4233CWHH#PBF incorporates advanced power management techniques, resulting in high efficiency power conversion.
2. Low Quiescent Current: The IC has a low quiescent current, minimizing power consumption when the load is light.
3. Wide Input Voltage Range: It can accept input voltages ranging from 2.9V to 18V, making it suitable for a wide range of applications.
4. Overcurrent Protection: The LTC4233CWHH#PBF features adjustable overcurrent protection, safeguarding the system against excessive current flow.
5. Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable overcurrent protection - Thermal shutdown protection

Disadvantages: - Limited output voltage range (0.8V to 5.5V)

Working Principles

The LTC4233CWHH#PBF operates by regulating the input voltage and converting it to the desired output voltage using a high-efficiency switching regulator. It continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output.

The overcurrent protection feature ensures that the output current does not exceed a predefined threshold. If an overcurrent condition is detected, the IC limits the output current or shuts down the power supply altogether.

In case of excessive temperature, the thermal shutdown protection activates, turning off the IC to prevent damage due to overheating.

Application Field Plans

The LTC4233CWHH#PBF finds applications in various electronic systems where efficient power management is crucial. Some potential application fields include:

1. Industrial Automation Systems
2. Telecommunications Equipment
3. Data Centers
4. Automotive Electronics
5. Portable Electronic Devices

Alternative Models

Here are some alternative models that offer similar functionality to the LTC4233CWHH#PBF:

1. Texas Instruments TPS54332
2. Analog Devices ADP2384
3. Maxim Integrated MAX15062
4. ON Semiconductor NCP1566

These alternative models can be considered based on specific requirements and design considerations.

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