ISL91132IILZ-T

Voltage - Input (Max):	5.4V
Supplier Device Package:	16-WLCSP (1.78x1.78)
Package / Case:	16-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	--
Synchronous Rectifier:	Yes
Frequency - Switching:	2.5MHz
Current - Output:	1.8A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	3.15V
Series:	--
Voltage - Input (Min):	2.35V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ISL91132IILZ-T is a DC DC Switching Regulator Voltage Regulator from Intersil Corporation. It is an advanced, low-Voltage, low-Power, single-output voltage regulator that is designed to regulate up to 2.5A output current. Its input voltage range is 2.0V to 5.5V and its output voltage range is adjustable from 0.8V to 4.5V. The ISL91132IILZ-T has a number of features designed to make it an ideal solution for a variety of applications. It has low drop-out voltage, low output noise, fast transient response, low standby current and a wide input voltage range.Applications:

• Personal Digital Assistants (PDAs).
• Handheld terminals.
• Digital cameras.
• Battery powered equipment.
• Handheld audio/video devices.
• Portable medical equipment.

Working Principle:The ISL91132IILZ-T is a low-dropout voltage regulator that uses a step-down converter to regulate the output voltage. The switching converter is a DC-DC converter that uses a power switch to control the flow of current, and it is designed to deliver good power efficiency. The converter takes the input voltage and converts it to the required output voltage by controlling the duty cycle of the power switch. The higher the duty cycle, the higher the output voltage.The ISL91132IILZ-T has an integrated low drop-out (LDO) controller, which enables the device to provide a regulated output voltage, even when the input voltage is much lower than the output voltage. The LDO controller will monitor the output voltage and adjust the duty cycle of the power switch accordingly to maintain the output voltage. The ISL91132IILZ-T also includes a comparator and current limit circuit, which give it protection from over-current and over-voltage conditions.The ISL91132IILZ-T has an internal compensation circuit, which provides improved transient response and loop stability. The device is also able to achieve a low output noise, which is essential for low power applications, such as portable medical equipment. The ISL91132IILZ-T also has a low standby current, which allows the device to be used in battery powered equipment.Conclusion:The ISL91132IILZ-T is an ideal solution for a variety of low power applications, such as handheld terminals, portable medical equipment and battery powered equipment. Its wide input voltage range, low drop-out voltage, low output noise and low standby current features make it a cost-effective and reliable choice for many such applications. It is a DC DC Switching Regulator Voltage Regulator from Intersil Corporation and it is designed to regulate up to 2.5A output current.

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