NCP3170BDR2G

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NCP3170BDR2G

IC REG BUCK ADJUSTABLE 3A 8SOIC

  • Manufacturer
  • Mfr. Part #NCP3170BDR2G
  • Package SOIC-8
  • Datasheet
  • In Stock2609

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Specifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Obsolete
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 17.28V
Current-Output 3A
Frequency-Switching 1MHz
SynchronousRectifier Both
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The NCP3170BDR2G is a high-efficiency, step-down DC-DC converter produced by ON Semiconductor. It is designed to provide a regulated output voltage from a higher input voltage source. The device features a wide input voltage range, typically from 4.5 V to 18 V, making it suitable for various applications in consumer electronics, industrial, and computer systems.
Key features of the NCP3170BDR2G include a switching frequency of 300 kHz, which allows for a balance between efficiency and component size. The converter can deliver an output current of up to 3 A, depending on the configuration and external components used. It also includes built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, ensuring reliable operation under different conditions.
The NCP3170BDR2G comes in a compact SOIC-8 package with an exposed pad, facilitating heat dissipation. Its design supports ease of use with minimal external components, making it an ideal choice for space-constrained applications where efficiency and reliability are critical.

Features

The NCP3170BDR2G is a switching regulator from ON Semiconductor. It features a 3 A, high-efficiency step-down (buck) converter with a fixed 340 kHz switching frequency. It has a wide input voltage range from 5.5 V to 36 V, making it suitable for various applications. The device provides an adjustable output voltage, ranging from 0.8 V to 0.85 × Vin, which allows for flexibility in design.
Key features include internal compensation, cycle-by-cycle current limiting, and a thermal shutdown for protection. It also incorporates an enable/disable function for power-saving modes. The NCP3170BDR2G is equipped with a soft-start feature to minimize inrush current during startup, and it has an adjustable overcurrent protection to enhance reliability. Additionally, it supports frequency synchronization with an external clock for applications requiring precise frequency control.
The package type is an 8-pin SOIC, which is compact and suitable for space-constrained designs. Overall, the NCP3170BDR2G is designed for efficient power management in applications like industrial equipment, telecom systems, and consumer electronics.

Package

The NCP3170BDR2G is typically available in a SOIC-8 package type.

Pinout

The NCP3170BDR2G is a high-efficiency switching regulator with a 10-pin package. It is designed for step-down (buck) conversion applications. Here's a brief overview of its pin functions:
1. VIN: Supply voltage input pin.
2. SW: Switch pin, connected to the inductor for switching operations.
3. GND: Ground reference for the device.
4. BOOT: Bootstrapped supply to provide a drive voltage higher than VIN for the high-side MOSFET.
5. FB: Feedback pin for regulating the output voltage by comparing it with an internal reference.
6. COMP: Compensation pin used to stabilize the control loop of the regulator.
7. EN: Enable pin to turn the device on or off.
8. SS: Soft-start pin to control the ramp up of the output voltage during startup.
9. PG: Power good output indicating if the output voltage is within the desired range.
10. SYNC: Synchronization input to allow the regulator to synchronize with an external clock.
These functions support its operation in regulating and maintaining a stable output voltage from a varying input supply.

Manufacturer

The NCP3170BDR2G is manufactured by ON Semiconductor, now known as onsemi. Onsemi is a semiconductor company that designs and produces a wide range of semiconductor components, including power and signal management, logic, discrete, and custom devices. The company serves a variety of industries such as automotive, industrial, cloud, and Internet of Things (IoT), among others. Onsemi is recognized for its focus on energy-efficient solutions and innovation in the semiconductor sector.

Application

The NCP3170BDR2G is a DC-DC buck converter used in applications requiring efficient power management. Key areas include telecommunications, networking equipment, industrial controls, consumer electronics, and computing devices. It is ideal for applications needing high efficiency and reliability in converting higher voltages to lower, stable levels for digital circuits, microcontrollers, and other components.

Equivalent

The NCP3170BDR2G is a DC-DC buck converter from ON Semiconductor. Equivalent products from other manufacturers that share similar specifications include the LM2675 series from Texas Instruments, the LT1375 from Analog Devices, and the MP1584 from MPS (Monolithic Power Systems). It is important to compare specific parameters such as input voltage range, output current, and switching frequency to ensure compatibility with your application.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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