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LT8608EMSE
+BOMIC REG BUCK ADJ 1.5A 10MSOP
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LT8608EMSE
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In Stock3929
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Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.778V |
| Voltage-Output(Max) | 42V |
| Current-Output | 1.5A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad |
Overview
Description
Key features include a 42V maximum input voltage, a 1.5A output current capability, and a low quiescent current, which enhances efficiency especially at light loads. The LT8608EMSE operates at a high switching frequency of up to 2.2MHz, allowing for smaller external components and a more compact design. It also supports Burst Mode operation, reducing power consumption during idle periods.
The device includes protection features such as thermal shutdown, current limit, and short-circuit protection. It comes in a thermally enhanced 10-lead MSOP package, ensuring efficient heat dissipation. The LT8608EMSE is ideal for applications requiring high efficiency, compact size, and reliable performance under varying input conditions.
Equivalent
Features
1. High Efficiency: Offers up to 93% efficiency, which minimizes thermal dissipation and enhances performance.
2. Low Quiescent Current: Consumes only 2.5µA during no-load conditions, making it ideal for battery-powered applications.
3. Fast Transient Response: The device's design supports fast transient response, improving system stability and performance under dynamic load changes.
4. Low Dropout Operation: Operates with a low dropout voltage, which extends battery life in portable applications.
5. Silent Switcher® Architecture: Minimizes electromagnetic interference (EMI) emissions, which is crucial for noise-sensitive environments.
6. Adjustable and Synchronizable Switching Frequency: Can be synchronized to an external clock within the range of 200kHz to 2.2MHz.
7. Compact Package: Available in a small thermally-enhanced MSOP-16 package, suitable for space-constrained designs.
These features make the LT8608EMSE a versatile choice for applications requiring efficient power conversion with minimal noise and compact form factor.
Pinout
Key functions of the pins include:
1. VIN: Input voltage supply.
2. SW: Switch node, the output of internal power switch.
3. GND: Ground.
4. BST: Boost pin, connected externally to a capacitor to provide drive voltage higher than VIN.
5. VOUT: Output voltage feedback.
6. RT: A resistor connected to this pin sets the switching frequency.
7. SYNC/MODE: Allows synchronization to an external clock or selection of operating mode.
8. SS: Soft-start control pin for controlling the output voltage ramp-up time.
9. TR/SS: Tracking/Soft-Start.
10. PG: Power good indicator, an open-drain output that indicates when the output voltage is in regulation.
These pins collectively enable the LT8608EMSE to perform its step-down conversion efficiently, supporting its use in various applications requiring a compact and efficient voltage regulator.
Manufacturer
Application
1. Automotive Systems: Ideal for powering infotainment systems, ADAS, and automotive sensors due to its wide input voltage range and robust performance.
2. Industrial Power Supplies: Used in factory automation, robotics, and industrial control systems.
3. Telecommunications: Suitable for powering remote radio heads and other telecom equipment.
4. Consumer Electronics: Utilized in devices requiring efficient power conversion, such as portable electronics and IoT devices.
5. Medical Devices: Applied where compact and efficient power management is critical.
Its compact size, low quiescent current, and high efficiency make it versatile for various applications requiring step-down voltage conversion.