LTC3823IUH#TRPBF Allicdata Electronics
Allicdata Part #:

LTC3823IUH#TRPBF-ND

Manufacturer Part#:

LTC3823IUH#TRPBF

Price: $ 2.59
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG CTRLR BUCK 32QFN
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: LTC3823IUH#TRPBF datasheetLTC3823IUH#TRPBF Datasheet/PDF
Quantity: 1000
2500 +: $ 2.35836
Stock 1000Can Ship Immediately
$ 2.59
Specifications
Frequency - Switching: --
Base Part Number: LTC3823
Supplier Device Package: 32-QFN (5x5)
Package / Case: 32-WFQFN Exposed Pad
Operating Temperature: -40°C ~ 85°C (TA)
Control Features: Enable, On Time Control, Power Good, Soft Start, Tracking
Serial Interfaces: --
Clock Sync: No
Synchronous Rectifier: Yes
Duty Cycle (Max): 90%
Series: --
Voltage - Supply (Vcc/Vdd): 4.5 V ~ 36 V
Output Phases: 1
Number of Outputs: 1
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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LTC3823IUH#TRPBF Application Field and Working Principle

The LTC3823IUH#TRPBF is a synchronous step-down DC/DC controller that drives two N-Channel MOSFETs, an upper and a lower switch, with a fixed frequency current mode architecture. It is designed to provide an adjustable output voltage from a wide input supply using an external PWM signal.

The LTC3823IUH#TRPBF is ideal for power conversion applications in low voltage, high current systems. It can be applied in multiple topologies such as dual-phase buck, single-phase buck and boost, as well as single-inductor multiple output (SIMO) buck boost and active ORing applications.

The operating principle of the LTC3823IUH#TRPBF is based on the two-switch synchronous buck controller. When the upper switch is on, the input voltage is applied directly to the output. The lower switch is then turned off, allowing the output voltage to decrease with a slope determined by the inductor current. When the inductor current comes down to a negligible value, the upper switch turns off and the lower switch turns on, forcing the charge stored in the inductor to transfer the output voltage back to its original value.

In addition to its synchronous operation, the LTC3823IUH#TRPBF also features a variety of protection and diagnostic features, such as over-voltage protection (OVP), under-voltage lockout (UVLO), over-current protection (OCP) and overtemperature protection (OTP). The part also comes with a built-in soft-start feature that eliminates in-rush current. Other features include pre-bias start-up, a power-good output (PGOOD) indicator, frequency synchronization and adjustable current limit.

The LTC3823IUH#TRPBF is highly efficient, as it is able to operate over a wide input voltage range and provide accurate voltage regulation. The part is available with ECC-DIP, LQFN and LGA packages, making it suitable for a variety of applications.

Overall, the LTC3823IUH#TRPBF is an excellent solution for high power and high efficiency synchronous conversion applications in a variety of end-use markets, such as automotive battery management systems, desktop/notebook computer power supplies, telecom/networking equipment, industrial robots and more.

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

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