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LTC3633AEFE-2
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency voltage regulator - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size
Package: 24-Lead TSSOP
Essence: The LTC3633AEFE-2 is a high efficiency, low quiescent current voltage regulator designed for power management applications.
Packaging/Quantity: The LTC3633AEFE-2 is available in a 24-Lead Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 3A
- Quiescent Current: 35µA
- Efficiency: Up to 95%
- Switching Frequency: 1MHz
- Operating Temperature Range: -40°C to 125°C
Pin Configuration
The LTC3633AEFE-2 has the following pin configuration:
```
| | | LTC3633AEFE-2 | |_______________________________________| | | | VOUT | | | | VIN | | | | GND | | | | SW | | | | FB | | | | EN | | | | SS | | | | PG | | | |_______________________________________| ```
Functional Features
- High efficiency step-down voltage regulation
- Adjustable output voltage through feedback (FB) pin
- Enable (EN) pin for power control
- Soft-start (SS) pin for controlled startup
- Power Good (PG) pin for output voltage monitoring
Advantages and Disadvantages
Advantages: - High efficiency operation saves power - Wide input voltage range allows for versatile applications - Small package size enables compact designs - Adjustable output voltage provides flexibility
Disadvantages: - Limited maximum output current of 3A - Requires external components for proper operation
Working Principles
The LTC3633AEFE-2 is a step-down voltage regulator that converts a higher input voltage to a lower output voltage. It achieves high efficiency by utilizing a synchronous rectification topology. The device operates by controlling the duty cycle of an internal switch to regulate the output voltage.
Detailed Application Field Plans
The LTC3633AEFE-2 can be used in various power management applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial equipment - Automotive electronics - Distributed power systems
Detailed and Complete Alternative Models
Some alternative models to the LTC3633AEFE-2 include: - LTC3633A-1: Similar specifications, different package (16-Lead QFN) - LTC3633B: Higher maximum output current (6A), similar specifications - LTC3633-2: Lower quiescent current (20µA), similar specifications
These alternative models offer similar functionality with slight variations in specifications and package options.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3633AEFE-2 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC3633AEFE-2 in technical solutions:
Q: What is the LTC3633AEFE-2? A: The LTC3633AEFE-2 is a high-efficiency, synchronous buck regulator IC designed for various power management applications.
Q: What is the input voltage range of LTC3633AEFE-2? A: The input voltage range of LTC3633AEFE-2 is typically between 2.25V and 5.5V.
Q: What is the output voltage range of LTC3633AEFE-2? A: The output voltage range of LTC3633AEFE-2 can be programmed from 0.6V to 5V.
Q: What is the maximum output current of LTC3633AEFE-2? A: The maximum output current of LTC3633AEFE-2 is 3A.
Q: Can LTC3633AEFE-2 operate in a wide temperature range? A: Yes, LTC3633AEFE-2 is designed to operate in a temperature range of -40°C to 125°C.
Q: Does LTC3633AEFE-2 have built-in protection features? A: Yes, LTC3633AEFE-2 includes various protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.
Q: Can LTC3633AEFE-2 be used in battery-powered applications? A: Yes, LTC3633AEFE-2 is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: Is LTC3633AEFE-2 compatible with both ceramic and electrolytic output capacitors? A: Yes, LTC3633AEFE-2 is compatible with both ceramic and electrolytic output capacitors.
Q: Can LTC3633AEFE-2 be used in automotive applications? A: Yes, LTC3633AEFE-2 is qualified for automotive applications and meets the AEC-Q100 standard.
Q: Does LTC3633AEFE-2 require an external compensation network? A: No, LTC3633AEFE-2 has internal compensation, eliminating the need for an external compensation network.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.