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LTC3552EDHC#PBF
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LTC3552EDHC#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

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

Package: DFN-12

Essence: The LTC3552EDHC#PBF is a power management IC designed for various portable electronic devices. It provides efficient power conversion and multiple output voltages, making it suitable for applications requiring compact size and low power consumption.

Packaging/Quantity: The LTC3552EDHC#PBF is available in a DFN-12 package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: Adjustable from 0.6V to VIN
  • Maximum Output Current: 600mA
  • Quiescent Current: 20µA (typical)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC3552EDHC#PBF has the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. VOUT1: Output voltage 1
  4. VOUT2: Output voltage 2
  5. VOUT3: Output voltage 3
  6. EN: Enable pin
  7. FB1: Feedback pin 1
  8. FB2: Feedback pin 2
  9. FB3: Feedback pin 3
  10. PG: Power good indicator
  11. SW: Switching node
  12. LX: Inductor connection

Functional Features

  • Integrated synchronous buck-boost DC/DC converter
  • Three independent adjustable output voltages
  • Power good indicator for each output
  • Soft-start and current limit protection
  • Low dropout voltage operation
  • Overtemperature shutdown

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Small package size for space-constrained applications - Wide input voltage range allows compatibility with various power sources - Multiple output voltages provide flexibility for different components - Low quiescent current minimizes power consumption during standby

Disadvantages: - Maximum output current may not be sufficient for high-power applications - Limited number of output voltage options

Working Principles

The LTC3552EDHC#PBF utilizes a synchronous buck-boost DC/DC converter to efficiently regulate the input voltage and provide multiple adjustable output voltages. It employs a feedback control mechanism to maintain the desired output voltages within specified tolerances. The IC also incorporates various protection features, such as soft-start and overtemperature shutdown, to ensure safe and reliable operation.

Detailed Application Field Plans

The LTC3552EDHC#PBF is commonly used in portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable medical equipment - IoT devices

Its compact size, low power consumption, and multiple output voltages make it suitable for applications where space and energy efficiency are crucial.

Detailed and Complete Alternative Models

  1. LTC3553EDHC#PBF
  2. LTC3554EDHC#PBF
  3. LTC3555EDHC#PBF
  4. LTC3556EDHC#PBF

These alternative models offer similar functionality and characteristics to the LTC3552EDHC#PBF, providing options for different design requirements and specifications.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng LTC3552EDHC#PBF sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of LTC3552EDHC#PBF in technical solutions:

  1. Q: What is LTC3552EDHC#PBF? A: LTC3552EDHC#PBF is a specific model number for a power management integrated circuit (PMIC) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.

  2. Q: What are the main features of LTC3552EDHC#PBF? A: The LTC3552EDHC#PBF PMIC offers multiple voltage regulators, a battery charger, and other power management functions. It is specifically designed for applications requiring low power consumption and compact size.

  3. Q: What technical solutions can benefit from LTC3552EDHC#PBF? A: LTC3552EDHC#PBF can be used in a wide range of applications, including portable devices, IoT devices, wearables, and other battery-powered systems that require efficient power management.

  4. Q: How many voltage regulators does LTC3552EDHC#PBF have? A: LTC3552EDHC#PBF has three integrated synchronous buck regulators, which can provide different output voltages as required by the application.

  5. Q: Can LTC3552EDHC#PBF charge batteries? A: Yes, LTC3552EDHC#PBF includes a battery charger circuitry that supports lithium-ion/polymer batteries. It provides a constant current and constant voltage charging profile.

  6. Q: What is the input voltage range supported by LTC3552EDHC#PBF? A: LTC3552EDHC#PBF can accept an input voltage range from 2.7V to 5.5V, making it compatible with various power sources, such as batteries and USB power.

  7. Q: Does LTC3552EDHC#PBF have any protection features? A: Yes, LTC3552EDHC#PBF includes built-in protection features like overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown to ensure safe operation.

  8. Q: Can LTC3552EDHC#PBF operate in low-power modes? A: Yes, LTC3552EDHC#PBF supports multiple low-power modes, including sleep mode and shutdown mode, to minimize power consumption during idle or standby periods.

  9. Q: Is LTC3552EDHC#PBF available in different package options? A: LTC3552EDHC#PBF is available in a 32-pin QFN (Quad Flat No-Lead) package, which offers a compact footprint suitable for space-constrained applications.

  10. Q: Where can I find more information about LTC3552EDHC#PBF? A: You can refer to the datasheet provided by Analog Devices or visit their official website for detailed technical specifications, application notes, and other resources related to LTC3552EDHC#PBF.