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LTC1149CS-5
+BOMIC REG CTRLR BUCK 16SOIC
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LTC1149CS-5
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In Stock3641
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Specifications
| Attribute | Value |
| Part Status | Discontinued at Digi-Key |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | Up to 48V |
| Frequency - Switching | Up to 250kHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SO |
| Base Product Number | LTC1149 |
Overview
Description
Key features of the LTC1149CS-5 include low dropout voltage, which allows it to maintain regulation even with a minimal difference between input and output voltage, and a wide input voltage range. It also offers excellent temperature stability, ensuring consistent performance across varying environmental conditions.
The device is packaged in a compact 8-lead SOIC, making it ideal for space-constrained applications. With its low quiescent current, the LTC1149CS-5 is energy-efficient, making it suitable for battery-powered devices.
Overall, the LTC1149CS-5 is an excellent choice for designers seeking a reliable and efficient voltage regulation solution in their electronic systems.
Equivalent
Features
1. Output Voltage: Provides a stable 5V output with a high accuracy of ±1%.
2. Low Dropout Voltage: Operates with a low dropout voltage of around 200mV, making it suitable for battery-powered devices.
3. Wide Input Voltage Range: Accepts input voltages from 6V to 30V, allowing flexibility in power supply choices.
4. Low Quiescent Current: Consumes minimal power, typically around 50µA, contributing to overall energy efficiency.
5. Temperature Coefficient: Offers a low temperature coefficient, enhancing stability over a wide temperature range.
6. Short Circuit Protection: Built-in protection against output short circuits, improving reliability.
7. Compact Package: Available in a SOIC-8 package, suitable for space-constrained applications.
These features make the LTC1149CS-5 ideal for precision analog applications, portable devices, and low-power systems.
Pinout
Pin Count and Functions:
1. VOUT (Pin 1): Output voltage (5V).
2. GND (Pin 2): Ground reference.
3. VREF (Pin 3): Reference voltage output (1.2V).
4. COMP (Pin 4): Compensation node for stability in voltage regulation.
5. VIN (Pin 5): Input voltage, which should be higher than the output voltage.
This device can be used for various precision applications requiring stable voltage references and adjustable outputs, making it suitable for use in power management systems.
Manufacturer
Analog Devices focuses on providing solutions that enable the capture, conversion, and analysis of real-world signals, and it is a key player in sectors requiring precise signal processing, such as medical devices, instrumentation, and data acquisition systems. The company’s products include amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other essential components that are integral to modern electronic systems.
Application
1. Data Acquisition Systems: Provides stable reference voltages for ADCs and DACs.
2. Industrial Automation: Ensures accurate sensor readings and control signals.
3. Communication Equipment: Maintains consistent signal levels in transceivers.
4. Medical Devices: Supports precision measurements in diagnostic equipment.
5. Consumer Electronics: Powers sensitive circuitry requiring stable voltage.
6. Power Management Systems: Regulates voltages in battery-operated devices.
Its low noise and high accuracy make it suitable for these diverse applications.