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SI7840BDP-T1-E3
Product Overview
- Category: Integrated Circuit
- Use: Power Management
- Characteristics: High efficiency, low power consumption
- Package: DFN-8
- Essence: Voltage Regulator
- Packaging/Quantity: Tape & Reel, 3000 units per reel
Specifications
- Input Voltage: 4.5V to 60V
- Output Voltage: Adjustable from 0.8V to 50V
- Output Current: Up to 2A
- Switching Frequency: 100kHz to 2MHz
- Operating Temperature: -40°C to 125°C
Detailed Pin Configuration
- Pin 1: VIN (Input Voltage)
- Pin 2: GND (Ground)
- Pin 3: FB (Feedback)
- Pin 4: EN (Enable)
- Pin 5: SS/TRK (Soft Start/Tracking)
- Pin 6: PG (Power Good)
- Pin 7: SW (Switch Node)
- Pin 8: VOUT (Output Voltage)
Functional Features
- Wide input voltage range
- Adjustable output voltage
- Overcurrent and overtemperature protection
- Soft start and tracking capability
- Power good indicator
Advantages
- High efficiency conversion
- Flexible output voltage adjustment
- Comprehensive protection features
- Compact package size
Disadvantages
- Limited maximum output current
- Requires external components for operation
Working Principles
The SI7840BDP-T1-E3 is a step-down voltage regulator that utilizes pulse-width modulation (PWM) to efficiently convert high input voltages to lower output voltages. It employs a feedback mechanism to regulate the output voltage and incorporates various protection features to ensure safe and reliable operation.
Detailed Application Field Plans
This voltage regulator is suitable for a wide range of applications including industrial power supplies, automotive electronics, battery charging systems, and distributed power architectures. Its ability to handle high input voltages makes it ideal for use in diverse environments.
Detailed and Complete Alternative Models
- LM2675-ADJ
- LT1763-12
- TPS5430DDAR
In conclusion, the SI7840BDP-T1-E3 is a versatile voltage regulator with a wide input voltage range, adjustable output, and comprehensive protection features, making it suitable for various power management applications.
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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SI7840BDP-T1-E3 у технічних рішеннях
What is the maximum voltage rating of SI7840BDP-T1-E3?
- The maximum voltage rating of SI7840BDP-T1-E3 is typically 600V.
What is the maximum current rating of SI7840BDP-T1-E3?
- The maximum current rating of SI7840BDP-T1-E3 is typically 2A.
What is the typical input threshold voltage of SI7840BDP-T1-E3?
- The typical input threshold voltage of SI7840BDP-T1-E3 is around 2.5V.
What is the typical propagation delay of SI7840BDP-T1-E3?
- The typical propagation delay of SI7840BDP-T1-E3 is approximately 100ns.
What are the recommended operating temperature range for SI7840BDP-T1-E3?
- The recommended operating temperature range for SI7840BDP-T1-E3 is -40°C to 125°C.
Does SI7840BDP-T1-E3 have built-in protection features?
- Yes, SI7840BDP-T1-E3 has built-in overcurrent and overtemperature protection features.
What is the typical input capacitance of SI7840BDP-T1-E3?
- The typical input capacitance of SI7840BDP-T1-E3 is around 25pF.
Can SI7840BDP-T1-E3 be used in high-frequency applications?
- Yes, SI7840BDP-T1-E3 can be used in high-frequency applications due to its fast switching characteristics.
What are the common applications for SI7840BDP-T1-E3?
- Common applications for SI7840BDP-T1-E3 include motor control, power supplies, and industrial automation.
Is SI7840BDP-T1-E3 RoHS compliant?
- Yes, SI7840BDP-T1-E3 is RoHS compliant, making it suitable for environmentally friendly designs.