ISL6845IBZ

Frequency - Switching:	Up to 2MHz
Base Part Number:	ISL6845
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 105°C (TA)
Control Features:	Current Limit, Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	48%
Series:	--
Voltage - Supply (Vcc/Vdd):	9 V ~ 16 V
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, Flyback
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tube

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The ISL6845IBZ is a full featured, fixed frequency, synchronous step-down controller. It operates from 4.5V to 18V and is ideal for automotive and industrial applications. The device provides adjustable output Voltage, adjustable current limits, programmable Soft-Start, programmable switching frequency and many other features.The ISL6845IBZ is designed to be used in automotive and industrial applications that require power management and voltage conversion. It is designed with a low quiescent current, high efficiency and independent frequency control. This makes it suitable for providing output Voltages of up to 28V and current up to 5A.The ISL6845IBZ is a synchronous buck controller and features an adjustable switching frequency from 50 kHz to 1.2 MHz. This allows for highly efficient operation and helps minimize EMI susceptibility and reduce the number of components needed for system level design. It also features an adjustable ramp rate for controlling the Soft-Start time.The ISL6845IBZ contains a wide range of features including: Under Voltage Lockout (UVLO), cycle-by-cycle current limit protection, thermal shutdown, input voltage compensation and output Voltage accuracy of ±1%. It also offers adjustable external compensator for loop stability and Under voltage fault protection.The ISL6845IBZ is designed to provide a high performance power management solution in automotive and industrial applications. It is highly efficient and offers several features to minimize component count and minimize cost of the system design. The device can provide power up to 28V and 5A and easily integrates into existing power supply systems. Its programmable Soft-Start allow for optimized start-up performance, while undervoltage protection protect the system from an abnormally low supply voltage.The ISL6845IBZ is an ideal solution for automotive and industrial applications as it offers wide range of protection and accuracy features. It is highly efficient and helps to minimize component cost, reduce board size and reduce system cost. The device can be easily integrated into existing power management system and offers significant cost savings. The ISL6845IBZ is widely used in automotive systems, consumer electronics and industrial equipment. In automotive systems, it is used to help maintain a balanced battery voltage while in consumer electronics it is used to power portable devices such as cell phones and laptops. The device is also used in industrial systems to help comply with the current regulations.In summary, the ISL6845IBZ is a full featured, fixed frequency, synchronous step-down controller. It operates from 4.5V to 18V and is ideal for automotive and industrial applications. The device provides adjustable output Voltage, adjustable current limits, programmable Soft-Start, programmable switching frequency and Independent Frequency Control. It also provides a wide range of features to help minimize cost and increase system efficiency.

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