LT8610ACHMSE#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	3V
Voltage - Input (Max):	42V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Output (Max):	42V
Current - Output:	3.5A
Frequency - Switching:	200kHz ~ 2.2MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package:	16-MSOP-EP
Base Part Number:	LT8610

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<p>The LT8610ACHMSE#PBF is a high-efficiency, wide input voltage monolithic buck switching regulator which operates over a wide input voltage range from 2.5V to 36V and provides an adjustable output voltage from 0.8V to 30V with a maximum output current of 10A. It features a Constant On-Time (COT) control architecture to minimize the number of external components and achieve excellent run-time and transient response characteristics. In addition, its wide input voltage range, high efficiency, low ripple/noise, low quiescent current, and very reasonable internal temperature rise make it suitable for a wide variety of applications in both lower and higher power applications.</p><p><strong>LT8610ACHMSE#PBF Application Field</strong></p><p>The LT8610ACHMSE#PBF is suitable for a variety of applications including distributed power systems, industrial and automotive systems, battery powered systems, motor control, power management and digital sensor applications. It is an ideal choice for low and higher power applications requiring high efficiency and low quiescent current operation. In distributed power systems, the device is used to generate different voltages from a wide input voltage range, such as from a 48V or 24V battery system.</p><p>In industrial and automotive systems the device is used to generate different voltage levels such as 5V, 12V, and 24V. For industrial systems, it is primarily used in distributed power systems in order to generate multiple lower voltage levels from a high voltage ideal. It is also used in power management systems to efficiently convert an input voltage to a desired output voltage. It is also used in applications such as motor control and other power conditioning applications.</p><p>In battery powered applications, the device is used to generate various lower voltage levels from a single or multiple battery cells. The device is also used to generate a regulated voltage for digital sensors.</p><p><strong>LT8610ACHMSE#PBF Working Principle</strong></p><p>The LT8610ACHMSE#PBF operating principle is a Constant On-Time (COT) hysteretic control architecture. The device uses hysteretic control to regulate the output voltage without an error amplifier. In this architecture, the output voltage is sensed directly across the output capacitor and compared to the reference voltage. The error between the sensed output voltage and the reference voltage is then used to determine the on-time of the internal switch. This on-time is then adjusted to maintain the output voltage at the desired level.</p><p>The device also includes an external input current sense terminal which can be used to program the current limit for the device. By monitoring the current through this input current sense terminal, the device can limit the peak input current and minimize the stress on the input power bus. The device also features a soft-start function which is used to minimize the inrush current when the device is enabled.</p><p>The device also features internal over-voltage and over-current protection, as well as frequency foldback protection which helps to reduce the switching frequency of the device when the output voltage is close to the maximum rated voltage. This helps to reduce the dissipation in the device and increases the overall efficiency. Additionally, the device features a pulse-skipping mode and a power-save mode to further reduce the power consumption when the device is in light load conditions.</p><p>Overall, the LT8610ACHMSE#PBF is an excellent choice for a wide variety of applications requiring high-efficiency, low quiescent current, and wide input voltage range switching regulator.</p>

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