ISL6413IR-T5K

Voltage/Current - Output 3:	2.85V, 200mA
Base Part Number:	ISL6413
Supplier Device Package:	24-QFN (4x4)
Package / Case:	24-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	3 V ~ 3.6 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	2.84V, 300mA
Voltage/Current - Output 1:	1.8V, 400mA
Frequency - Switching:	750kHz
Number of Outputs:	3
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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ISL6413IR-T5K application field and working principle

The ISL6413IR-T5K is a PWM power management integrated circuit (PMIC) for voltage regulators and is part of the linear + switching PMIC group. It is used in application fields such as mobile, computer, consumer electronics and other applications that need low quiescent current and high switching efficiency.The ISL6413IR-T5K is a high performance, low quiescent current PWM synchronous buck converter with integrated driver, optimized for operation up to 1.5A output current. It features a wide input voltage operating range between 3V to 14V, and its output voltage can be driven down to 0.6V with excellent line and load regulation. The ISL6413IR-T5K also features a pulse-by-pulse current limit and a programmable soft-start for adjustable output voltage ramps.The working principle of ISL6413IR-T5K is based on the recognition of various parameters. When supplied with the desired input voltage, the switching PMIC is regulated to maintain the regulated output voltage. The feedback circuitry is made up of two separate loops. The inner loop is a voltage regulator loop and the outer loop is a chopping loop. The voltage regulator loop acts to reduce the difference between the output voltage and the reference voltage, while the chopping loop acts to reduce the current in the output stage.The ISL6413IR-T5K control circuit operates using Pulse Width Modulation (PWM). When enabled, the PWM cycle starts by switching a high-side NMOS and low-side NMOS in parallel. This parallel connection creates an inductor-capacitor (LC) filter that helps reduce the total voltage and allows the regulator to drive more current. The switching components then alternate rapidly to regulate the final output voltage.The ISL6413IR-T5K PWM integrated circuit also provides protection features such as thermal overload protection, cycle-by-cycle current limit and overvoltage protection. These features ensure the output voltage remains within a safe range and protect the device from damage due to heavy load or short circuit.In conclusion, the ISL6413IR-T5K is a very efficient and high performance integrated circuit for voltage regulator applications. Its PWM operation, low quiescent current and protection features make it the ideal IC for a vast range of applications, such as mobile and consumer electronics. Its wide operating voltage range and current-limiting capabilities ensures reliable operation.

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