SC2446ITSTRT Allicdata Electronics
Allicdata Part #:

SC2446ITSTRT-ND

Manufacturer Part#:

SC2446ITSTRT

Price: $ 1.43
Product Category:

Integrated Circuits (ICs)

Manufacturer: Semtech Corporation
Short Description: IC REG CTRLR BUCK 28TSSOP
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: SC2446ITSTRT datasheetSC2446ITSTRT Datasheet/PDF
Quantity: 1000
2500 +: $ 1.29875
Stock 1000Can Ship Immediately
$ 1.43
Specifications
Voltage - Supply (Vcc/Vdd): 4.7 V ~ 16 V
Supplier Device Package: 28-TSSOP
Package / Case: 28-TSSOP (0.173", 4.40mm Width)
Operating Temperature: -40°C ~ 85°C (TA)
Control Features: Enable, Frequency Control, Soft Start
Serial Interfaces: --
Clock Sync: Yes
Synchronous Rectifier: Yes
Duty Cycle (Max): 88%
Frequency - Switching: 500kHz
Series: --
Output Phases: 2
Number of Outputs: 2
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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The SC2446ITSTRT is a DC/DC switching controller that offers a great deal of flexibility for power systems which demand efficiency and high performance. This device is designed to minimize resistance losses and minimize external component count by using PWM control, while providing exceptional transient response and output variables that can be fine-tuned to meet a wide range of voltage requirements. The SC2446ITSTRT also features integrated thermal protection alarms and sleep modes, to ensure the reliable performance and safe operation of your power system.
Application Field
The SC2446ITSTRT is well suited to a wide range of applications. It is especially useful for distributed power systems, as it allows adjustable voltage and current levels regardless of the number or type of connected loads. Additionally, the SC2446ITSTRT can handle complex loads, such as Frequency Division Multiplexing (FDM) systems in telecommunications, Uninterruptible Power Supply (UPS) systems for industrial applications, and switch-mode power supplies for consumer electronics. This device is also ideal for DC/DC converters in automotive systems, as it offers excellent efficiency and fast transient response.
Working Principle
The SC2446ITSTRT features an integrated PWM controller, as well as voltage and current independent control loops. This allows the chip to maintain a high level of efficiency and output accuracy. The device utilizes pulse width modulation (PWM) to control the device’s output. By carefully measuring both the input and output voltages, the controller is able to precision regulate the output voltage in order to maximize power efficiency. Additionally, the SC2446ITSTRT utilizes switch current sensing to detect any instantaneous blocking in the switch circuit. If it detects a loading event, it will either increase or decrease the current level to conserve energy and minimize ripple.
The SC2446ITSTRT also features an integrated auto-recovery system that can be configured to meet any specific application needs. This feature enables the device to detect an over-current situation and automatically provide the correct current level to the load. In addition, the device supports external voltage and current sensing, allowing for optimization of the operating parameters.
The SC2446ITSTRT features adjustable start-up, shutdown, and over-voltage/over-current protection to ensure safe operation and reliable performance in any environment. The controller also includes protection from a wide range of thermal situations, such as overtemperature, overcurrent and power surges, which prevents system damage or destruction due to environmental conditions. The device also supports low-power modes, allowing for power savings in sleep mode and low-load operations.
The SC2446ITSTRT is a highly reliable, high-performance DC/DC switching controller that provides exceptional flexibility to meet the needs of any distributed power system. Its integrated PWM control and switch current sensing capabilities provide superior efficiency and transient response, while its auto-recovery feature allows instantaneous blocking protection to maximize system stability. Additionally, the device supports low-power modes, adjustable start-up and shutdown, and adjustable over-voltage protection, all of which enhance safety, performance, and reliability.

The specific data is subject to PDF, and the above content is for reference

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