ISL6146BFRZ-T

Current - Output (Max):	--
Base Part Number:	ISL6146
Supplier Device Package:	8-DFN (3x3)
Package / Case:	8-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Applications:	N+1 Power Supplies, Telecom/Datacom Systems
Voltage - Supply:	1 V ~ 20 V
Current - Supply:	25µA
Series:	--
Delay Time - OFF:	65ns
Internal Switch(s):	No
Ratio - Input:Output:	N:1
FET Type:	N-Channel
Type:	N+1 ORing Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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<p>The ISL6146BFRZ-T is a high performance, low-voltage, low-power, Current Mode, PWM buck regulator with adjustable operating frequency and internal clock. It is based on Field Oriented Control (FOC) with independent control of the voltage and current loops. This buck regulator is especially suited for applications such as automotive audio systems, microprocessors, embedded solutions, and other consumer and industrial systems that require low noise, low power, and heat dissipation.</p><p>The ISL6146BFRZ-T is designed to provide a high efficiency, low voltage, low power, Current Mode, PWM buck regulator with adjustable switching frequency. It has an operating frequency range from 100 kHz to 1 MHz and has an integrated internal clock for synchronization with an external clock source. The switching frequency is programmable and can be set to optimize efficiency and minimize EMI.</p><p>The ISL6146BFRZ-T is designed to provide a constant current output with a programmable maximum current level. The maximum current is set by the external resistor connected to the current sense input. The ISL6146BFRZ-T also includes a cycle-by-cycle current limit feature which limits the maximum current that can be drawn by the load.</p><p>The ISL6146BFRZ-T contains a low-noise voltage-mode PWM controller with independent control of the voltage and current loops in order to reduce switching noise and output ripple. The voltage loop functions as a current-mode PWM controller which provides stable operation under varying load conditions.</p><p>The ISL6146BFRZ-T also includes a synchronous rectifier circuit, ideal diode circuit, and over temperature protection. The synchronous rectifier functions as a fast current switch to help reduce power dissipation in the buck regulator. The ideal diode circuit, which replaces an external Schottky diode, allows suppressing voltage drops on output side and thus allows achieving higher efficiency and lower heat dissipation. The over-temperature protection will shut down the buck regulator if its temperature exceeds its safe operating temperature.</p><p>ISL6146BFRZ-T is a part of the family of PMIC- OR Controllers, Ideal Diodes. This part is suitable for varying applications, as mentioned before, in Automotive Audio systems, Microprocessors, Embedded Solutions, etc. This part is perfectly suitable for applications that need low noises, low power and heat dissipation. This part is built to provide constant current output with a programmable maximum current level. Current limitation is supported by the Cycle By-Cycle Current Limit feature. The voltage loop functions as current-mode PWM controller to offer stable performance under varying load conditions. Over-Temperature protection is also included in the product.</p><p>In conclusion, ISL6146BFRZ-T is an ideal solution for applications that need low noise, low power, and low heat dissipation. The adjustable switching frequency is programmable and helps in optimizing the performance. It is a part of the PMIC - OR Controllers, Ideal Diodes family. This part is suitable for various applications as mentioned before.</p>

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