ISL6410IUZ-TK

Voltage - Output (Min/Fixed):	1.2V, 1.5V, 1.8V
Base Part Number:	ISL6410
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	750kHz
Current - Output:	600mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	3.6V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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ISL6410IUZ-TK

Application Field and Working Principle

The ISL6410IUZ-TK is an integrated high-frequency synchronous buck switching regulator from Intersil, that falls under the category of DC DC Switching Regulators. It can be used when a single-, dual-, or triple-output buck regulator with integrated FETs is required for efficient power dissipation and with features such as precision voltage control and excellent thermal performance. The ISL6410IUZ-TK synchronous buck switching regulator has a wide range of applications, such as cellular phones and PDAs, multimedia handsets, portable battery-powered systems, PDAs, and digital cameras. It is particularly useful for applications that require a high-frequency switching converter and good thermal performance. In this way, the ISL6410IUZ-TK provides an effective solution when a low-cost and space-efficient DC/DC converter is required, while being integrated with Power FETs and an LDO. This means that the converter is capable of delivering up to 6A of output current while the LDO can have output current up to 1A. Furthermore, the device operates at 1.2V – 3.3V and 500 kHz – 2MHz switching frequencies, making it ideal for applications that require low-cost, high efficiency and small size. Additionally, the output voltage can be programmed precisely with a single resistor, further increasing its flexibility. The working principle of the ISL6410IUZ-TK switching regulator is rather simple and consists of two main stages. The first stage is the pulse width modulation (PWM) control stage and the second stage is the synchronous MOSFET switching stage. The PWM control is done via logic control signals, wherein the voltage feedback loop monitors the output voltage, providing control signals that adjust the duty cycle of the switching pulses. These control signals are then used to generate the PWM signal, which is used to control the power switch in the second stage.The second stage consists of the synchronous MOSFET switches, which drive the load by switching the current between the input and the output. This switching action is enabled and disabled by the PWM signals generated in the first stage. As the voltage feedback loop monitors the output voltage, it’s ±1% accuracy ensures that the load receives a steady and regulated output voltage. In conclusion, the ISL6410IUZ-TK offers an effective and efficient solution in applications that require a small form factor and low-cost DC/DC converter. With its integrated FETs, precision voltage control, and excellent thermal performance, it’s the ideal choice for a variety of applications.

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