STMicroelectronics
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L6935TR
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L6935TR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: Surface Mount Technology (SMT)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 200mV at 1A
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The L6935TR has a total of 8 pins:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. PGND: Power ground pin
  7. SS/TR: Soft-start/Tracking pin
  8. COMP: Compensation pin

Functional Features

  • High efficiency conversion
  • Low power consumption in standby mode
  • Overcurrent protection
  • Thermal shutdown protection
  • Short-circuit protection
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Wide input voltage range allows for versatile applications - Compact SMT package saves board space - Comprehensive protection features ensure system reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The L6935TR is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.8V and 3.6V. It achieves high efficiency by utilizing a synchronous buck converter topology. The IC incorporates various protection mechanisms such as overcurrent, thermal shutdown, and short-circuit protection to ensure safe operation.

Detailed Application Field Plans

The L6935TR is commonly used in portable electronic devices, battery-powered systems, and low-power applications where efficient power management is crucial. Some specific application areas include:

  1. Mobile phones
  2. Tablets
  3. Portable media players
  4. Wearable devices
  5. IoT (Internet of Things) devices

Detailed and Complete Alternative Models

  1. LM1117-3.3: Fixed output voltage regulator with a maximum output current of 800mA.
  2. LT1763: Low dropout voltage regulator with adjustable output voltage and a maximum output current of 500mA.
  3. TPS54331: Synchronous step-down DC-DC converter with an input voltage range of 4.5V to 28V and a maximum output current of 3A.

These alternative models offer different features and specifications, providing flexibility for various design requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L6935TR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of L6935TR in technical solutions:

  1. Q: What is L6935TR? A: L6935TR is a specific model of voltage regulator used in electronic circuits.

  2. Q: What is the input voltage range for L6935TR? A: The input voltage range for L6935TR is typically between 2.5V and 5.5V.

  3. Q: What is the output voltage range for L6935TR? A: The output voltage range for L6935TR can be adjusted from 0.6V to the input voltage.

  4. Q: What is the maximum output current of L6935TR? A: The maximum output current of L6935TR is typically around 3A.

  5. Q: Is L6935TR suitable for battery-powered applications? A: Yes, L6935TR is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Q: Can L6935TR handle high temperatures? A: Yes, L6935TR is designed to operate at high temperatures and has built-in thermal protection features.

  7. Q: Does L6935TR require any external components for operation? A: Yes, L6935TR requires a few external components such as input/output capacitors and resistors for stability and filtering.

  8. Q: Can L6935TR be used in automotive applications? A: Yes, L6935TR is suitable for automotive applications as it meets the required standards and has a wide operating temperature range.

  9. Q: What is the efficiency of L6935TR? A: The efficiency of L6935TR depends on the input/output voltage difference and load conditions, but it can typically achieve high efficiency levels.

  10. Q: Are there any specific design considerations when using L6935TR? A: Yes, some design considerations include proper heat sinking, component selection for desired output voltage, and ensuring adequate input/output capacitance for stability.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of L6935TR.