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Name: LTC1871EMS-1#PBF
Brand: Analog Devices Inc.
SKU: LTC1871EMS-1#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc. LTC1871EMS-1#PBF

Part No.:: LTC1871EMS-1#PBF

Manufacturer:: Analog Devices Inc.

Package:: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: LTC1871EMS-1#PBF.pdf

Description:: IC REG CTRLR MULT TOP 10MSOP

In Stock:: 938

Quantity:: Add To Cart

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LTC1871EMS-1#PBF Typical application Circuitry

LTC1871EMS-1 PBF

The LTC1871EMS-1#PBF is an advanced member of the LTC1871 series, adept at driving high-efficiency boost, SEPIC, and flyback converters. This versatile chip is engineered to meet the demanding requirements of a wide range of applications, from portable devices to industrial power systems, thanks to its wide input voltage range, adjustable switching frequency, and integrated soft-start capability. The LTC1871EMS-1#PBF distinguishes itself with its robust design, enabling the development of compact yet powerful power management solutions.

1. Power Input (VIN): The VIN pin acts as the primary power source for the LTC1871EMS-1#PBF, accepting a diverse range of input voltages. This adaptability allows the device to be effectively utilized across various power systems, necessitating a stable and noise-free voltage supply for optimal operation.

2. External MOSFET Drive (SW): The SW pin is designed for connection to the gate of an external N-channel MOSFET, pivotal in the switching regulation process. The efficient control of this pin is essential for dictating the timing and energy transfer in the converter, directly influencing system efficiency and power handling.

3. Voltage Feedback (FB): The FB pin is crucial for output voltage regulation. By connecting a resistive network from the output to this pin, the LTC1871EMS-1#PBF can dynamically adjust the duty cycle of the switching MOSFET to stabilize the output voltage, ensuring consistent power delivery to the load.

4. Soft-Start/Tracking (SS/TRK): The SS/TRK pin offers dual functionality, providing a managed power-up sequence to minimize inrush currents and enabling voltage tracking for applications requiring coordinated start-up sequences. Proper configuration of this pin with external circuitry allows for enhanced system integration and startup performance.

5. Ground Reference (GND): The GND pin establishes the electrical ground for the LTC1871EMS-1#PBF, serving as the reference point for all circuit operations. A reliable ground connection is imperative for maintaining the accuracy of the feedback loop and the overall stability of the converter.

6. Current Sense (ISENSE): The ISENSE pin enables current sensing through the external MOSFET and inductor, facilitating current-mode control for the power supply. This feature enhances the converter's response to load changes and provides protection against overcurrent conditions, bolstering system reliability.

7. Shutdown Control (SHDN): The SHDN pin allows for the LTC1871EMS-1#PBF to be disabled, significantly reducing its idle current. This capability is particularly valuable in power-sensitive applications, where reducing power consumption can extend battery life and improve efficiency.

8. Reference Voltage (VREF): The VREF pin provides a precise reference voltage, crucial for setting up the feedback loop and other control mechanisms within the power system. The stability and accuracy of this reference voltage are vital for ensuring the precise regulation of the output voltage, directly impacting the performance of the LTC1871EMS-1#PBF.

Incorporating the LTC1871EMS-1#PBF into a power conversion design demands careful consideration of each pin's role and how they interact within the system to fully leverage the device's capabilities. The LTC1871EMS-1#PBF represents a pinnacle in power conversion technology, offering designers a flexible and efficient solution for complex power management challenges.

LTC1871EMS-1#PBF information

LTC1871EMS-1#PBF Specifications

Package/Case:
10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
OutputType:
Transistor Driver
Function:
Step-Up, Step-Up/Step-Down
OutputConfiguration:
Positive or Negative
Topology:
Boost, Flyback, SEPIC
NumberofOutputs:
1
OutputPhases:
1
Voltage-Supply(Vcc/Vdd):
2.5V ~ 36V
Frequency-Switching:
50kHz ~ 1MHz
DutyCycle(Max):
92%
SynchronousRectifier:
No
ClockSync:
Yes
SerialInterfaces:
-
ControlFeatures:
Enable, Frequency Control
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LTC1871EMS-1#PBF.

(3)The PartNo is unused and only in the original unpacked packaging.

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