ISL9104AIRUWZ-T

Voltage - Output (Min/Fixed):	1.2V
Base Part Number:	ISL9104A
Supplier Device Package:	6-UTDFN (1.6x1.6)
Package / Case:	6-UFDFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	4.3MHz
Current - Output:	500mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ISL9104AIRUWZ-T is a compact, low-profile, high-power DC-DC switching regulator with wide input and output voltage ranges. It is designed to deliver up to 4A at 4.5V and 3A at 2.8V. The device features high efficiency and low quiescent current operation. The ISL9104AIRUWZ-T supports a wide input voltage range of 2.5V-5.5V. It also offers a wide output voltage range of 0.8V-4.5V. The adjustable maximum duty cycle allows the regulator to be optimized for different applications. This allows for higher efficiency in a larger range of operating conditions.

Application Field

The ISL9104AIRUWZ-T is ideal for applications that require high efficiency, low standby current, and wide input and output voltage range. It is well suited for mobile phones, tablets, and other mobile computing applications. It can also be used in automotive and industrial systems, as well as battery-powered applications.The ISL9104AIRUWZ-T is used in a variety of applications, including: • On-board charging circuits• DC-DC converters• Automotive systems• Industrial systems• Medical devices• Battery-powered applications• Mobile phones• Tablets• Wearables• Next-generation consumer electronics

Operation Mode

The ISL9104AIRUWZ-T is a DC-DC switch regulator with a constant on-time control architecture. This allows the device to maintain high efficiency across a wide range of input and output voltages. In constant on-time control mode, the device turns on the power switch for a fixed amount of time each period. This time is determined by the external resistors and the output voltage. The switch is then turned off for the rest of the period, allowing for very low quiescent current when the switch is off.

Features and Benefits

The ISL9104AIRUWZ-T offers a number of features and benefits that make it ideal for a variety of applications. These features include: • Wide input and output voltage ranges • High efficiency• Integrated power switch • Low quiescent current• Adjustable maximum duty cycle• Fixed output voltage accuracy • Low dropout operation• Small footprint • ESD protectionThe wide input and output voltage ranges allow the device to be used in a variety of applications. The high efficiency of the device allows for lower power consumption and longer battery life. The integrated power switch eliminates the need for additional external components, reducing the size and cost of the overall design. The adjustable maximum duty cycle feature allows the regulator to be optimized for different applications, allowing for higher efficiency in a larger range of operating conditions. The low quiescent current allows the device to go into a very low power consumption state when there is no load or a light load. The ISL9104AIRUWZ-T also offers a fixed output voltage accuracy, allowing the device to maintain a consistent voltage output even when the input voltage varies. The low dropout operation of the device allows it to maintain a consistent output voltage over a wide input voltage range. The small footprint of the device allows it to be used in smaller, more compact designs. Finally, the device offers ESD protection, to ensure that it does not get damaged due to electrostatic discharge.

Conclusion

The ISL9104AIRUWZ-T is a compact, low-profile, high-power DC-DC switching regulator. It offers a wide range of features, including wide input and output voltage ranges, high efficiency, integrated power switch, low quiescent current, adjustable maximum duty cycle, fixed output voltage accuracy, low dropout operation and ESD protection, making it ideal for a variety of applications. It is well suited for mobile phones, tablets, automotive and industrial systems, and battery-powered applications.

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