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LT3976EMSE
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ManufacturerAnalog Devices
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Mfr. Part #LT3976EMSE
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Datasheet LT3976EMSE DataSheet
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In Stock3244
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Specifications
| Attribute | Value |
| Brand | Analog Devices |
| ProductType | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| MountingStyle | SMD/SMT |
| Package/Case | MSOP-16 |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 125 C |
| Topology | Buck |
| OutputVoltage | 1.197 V to 38.8 V |
| OutputCurrent | 5 A |
| NumberofOutputs | 1 Output |
| InputVoltage-Min | 4.3 V |
| InputVoltage-Max | 40 V |
| SwitchingFrequency | 2.25 MHz |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| QuiescentCurrent | 3.3 uA |
| Series | LT3976 |
| OperatingSupplyCurrent | 1.6 uA |
Overview
Description
Key features include an integrated switch, low quiescent current, and built-in thermal shutdown for enhanced reliability. The device supports frequency synchronization and has an adjustable switching frequency, allowing for optimization based on application needs. Additionally, it incorporates a soft-start feature to minimize inrush current during startup.
The LT3976EMSE is packaged in a compact surface-mount form factor, facilitating easy integration into designs. With its robust performance and versatility, it is ideal for powering microcontrollers, sensors, and other peripherals in demanding environments.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 4V to 60V, accommodating a variety of power sources.
2. Output Current: Delivers up to 3A of continuous output current.
3. High Efficiency: Achieves efficiencies over 95% to minimize thermal dissipation.
4. Low Quiescent Current: Features a low quiescent current of about 15µA in sleep mode, enhancing battery life in portable applications.
5. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V via external resistors.
6. Built-in Protection Features: Includes thermal shutdown, current limit, and under-voltage lockout for enhanced reliability.
7. Power Good Indicator: Provides a power good signal to monitor output status.
8. Compact Package: Available in a thermally enhanced MSOP-16 package, suitable for space-constrained designs.
These features make the LT3976EMSE ideal for various applications, including automotive, industrial, and telecommunications.
Pinout
Key functions of the pins include:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch node connection for inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. FB: Feedback input for voltage regulation.
7. Rset: Resistor connection for output voltage setting.
8. SS: Soft-start pin to control startup time.
9. SYNC: Synchronization pin for external clock.
10. PG: Power good indicator.
11. ILIM: Current limit adjustment.
The LT3976 supports a wide input voltage range and features low quiescent current, making it suitable for battery-powered and automotive applications.
Manufacturer
The LT3976 is a high-efficiency, step-down (buck) regulator designed for applications requiring a compact power solution with a high output current capability. Analog Devices is recognized for its innovative technologies and products that enable high-performance signal processing and conversion, making it a key player in the semiconductor industry. The company's focus on research and development allows it to stay at the forefront of technology, serving markets that demand precision and reliability in their electronic components.