LT1175IST-5#PBF

LT1175IST-5#PBF is a voltage regulator used to stabilize electrical output voltage
6,746 Effective Inventory

LT1175IST-5#PBF

Effective Inventory6,746

LT1175IST-5#PBF is a voltage regulator used to stabilize electrical output voltage

  • Manufacturer Part # : LT1175IST-5#PBF

  • Package/Case: SOT-223-3

  • Brand: Analog Devices

  • Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

  • Series : LT1175

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LT1175IST-5#PBF DataSheet
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LT1175IST-5#PBF Details

The LT1175IST-5#PBF is a high efficiency voltage regulator from Analog Devices, designed for precise voltage regulation in various electronic circuits. This regulator operates at a fixed 5V output voltage, providing stable power supply for sensitive components. It offers low dropout voltage and thermal shutdown protection, making it ideal for battery-powered applications and portable devices.

Pinout

  • 1 (VIN): Input Voltage
  • 2 (GND): Ground
  • 3 (VOUT): Output Voltage
  • 4 (BYPASS): Bypass Capacitor Connection

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • Fixed Output Voltage: Regulated output voltage of 5V for consistent power supply.
  • Low Dropout Voltage: Efficient operation with low dropout voltage for extended battery life.
  • Thermal Shutdown: Built-in thermal shutdown protection for safe operation under extreme conditions.
  • High Efficiency: Offers high efficiency operation for optimal power management.
  • Compact Package: Housed in a small package for space-constrained applications.

Application

  • Battery-Powered Devices: Ideal for powering portable electronics and battery-operated systems.
  • Embedded Systems: Used in embedded applications requiring stable voltage regulation.
  • Consumer Electronics: Suitable for various consumer electronic devices and gadgets.

Where to Use

The LT1175IST-5#PBF is suitable for applications that demand precise and stable voltage regulation, especially in battery-powered and portable electronic devices. It is recommended for systems where efficiency, low dropout voltage, and thermal protection are crucial.

How to Use

Connect the LT1175IST-5#PBF to your circuit by providing the input voltage to VIN and connecting GND to ground. The VOUT pin delivers a regulated 5V output. Properly bypass the regulator with a capacitor on the BYPASS pin for enhanced stability. Refer to the datasheet for detailed usage instructions and application notes.

Application Circuit

The application circuit diagram for the LT1175IST-5#PBF demonstrates how to integrate the voltage regulator into your electronic system, ensuring stable and reliable power supply. It includes connections for input voltage, output voltage, and necessary bypass components.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • LM2937-5.0: A comparable 5V voltage regulator offering similar features and performance.
  • MAX6675: An alternative voltage regulator with fixed 5V output voltage for various applications.

Complementary

The LT1175IST-5#PBF can be paired with the LT1763 series of LDO regulators to provide additional voltage regulation options and flexibility in different voltage requirements.

When selecting complementary regulators, ensure compatibility and performance alignment with your specific application needs.

Frequently Asked Questions

Q: What is the dropout voltage of the LT1175IST-5#PBF?

A: The LT1175IST-5#PBF has a low dropout voltage, providing efficient regulation even with small input-output differentials. Refer to the datasheet for precise specifications.

Q: Can the LT1175IST-5#PBF be used in automotive applications?

A: While not specifically designed for automotive use, the LT1175IST-5#PBF can be employed in automotive electronics given appropriate operating conditions and protections. Check the datasheet for suitability.

LT1175IST-5#PBF

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! LDO Voltage Regulators RoHS Details
REACH Details Mounting Style SMD/SMT
Package / Case SOT-223-3 Output Voltage 5 V
Output Current ! 500 mA Number of Outputs 1 Output
Polarity Negative Quiescent Current ! 45 uA
Input Voltage, Min - 20 V Input Voltage, Max 20 V
Output Type Fixed Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 125 C Dropout Voltage ! 100 mV
Series LT1175 Brand Analog Devices
Dropout Voltage - Max 450 mV Height 1.8 mm
Line Regulation ! 0.003 %/V Load Regulation ! 0.1 %
Operating Supply Current 45 uA Product LDO Voltage Regulators
Product Type ! LDO Voltage Regulators Factory Pack Quantity 78
Subcategory PMIC - Power Management ICs Type Negative Micropower
Unit Weight 0.008219 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LT1175IST-5#PBF PDF Download

FAQs

What is LT1175IST-5#PBF?

The LT1175IST-5#PBF is a low dropout (LDO) linear voltage regulator designed by Analog Devices. It is capable of regulating an input voltage down to a lower, stable output voltage, making it suitable for a wide range of electronic applications.

How Does LT1175IST-5#PBF Work?

The LT1175IST-5#PBF works by using a feedback mechanism to compare the output voltage with a reference voltage and adjust the internal circuitry to maintain a stable output. It provides a low dropout voltage, allowing it to regulate the output even when the input voltage is only slightly higher than the desired output voltage.

How Many Pins does LT1175IST-5#PBF have and What are the Functions of the Pinout Configuration?

The LT1175IST-5#PBF is housed in a 5-lead TO-220 package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • VOUT: Regulated output voltage pin.
  • GND: Ground pin.
  • ADJ: Adjacent pin for voltage adjustment.

What are the Pros and Cons of LT1175IST-5#PBF?

Pros:

  • Low Dropout Voltage: Provides stable output even with small input-output differentials.
  • Low Quiescent Current: Operates with low standby current, suitable for battery-operated devices.
  • Wide Operating Temperature Range: Suitable for harsh environmental conditions.
  • Short-Circuit Protection: Includes protection against output short circuits.

Cons:

  • External Capacitors: Requires external capacitors for stable operation, adding to component count.
  • Thermal Considerations: Heat dissipation and thermal management may be a concern in high-power applications.

Are There Any Equivalents/Alternatives to LT1175IST-5#PBF for Recommendation?

  • Similar parts to the LT1175IST-5#PBF include the LM2940 from Texas Instruments and the MIC5205 from Microchip Technology.
  • Alternative LDO regulators include the LT1963A from Analog Devices and the MAX8887 from Maxim Integrated.

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