LT3695HMSE#TRPBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LT3695
Supplier Device Package:	16-MSOP-EP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	250kHz ~ 2.2MHz
Current - Output:	1A
Voltage - Output (Max):	20V
Series:	--
Voltage - Input (Max):	36V
Voltage - Input (Min):	3.6V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT3695HMSE#TRPBF Application Field and Working Principle

The LT3695HMSE#TRPBF is an enhanced version of the LT3695 step-down DC/DC converter that offers ultra-low quiescent current (110nA) and fast transient response with very low output ripple. The LT3695HMSE#TRPBF is fully featured with adjustable current limit, soft-start, power save mode, external synchronization, output voltage programming pins and addressable enable function. It also offers ultra-low quiescent current operation, allowing power saving applications.

Classification

The LT3695HMSE#TRPBF can be classified as a Power Management IC (PMIC), and a Voltage Regulator, more specifically a DC DC Switching Regulator.

Application Field

The LT3695HMSE#TRPBF is suitable for a wide range of applications such as:

• Cellular handsets
• Handheld Electronics
• Portable Instruments
• Battery-Operated Devices

Working Principle

The LT3695HMSE#TRPBF is based on constant frequency, current-mode step-down control topology. Internal power MOSFETs operate between light load and heavy load conditions for best efficiency and noise. Its high-efficiency (typically >90%) makes it one of the most efficient step-down DC/DC regulators available.The LT3695HMSE#TRPBF can be used to generate a wide variety of output voltages, from a minimum of 0.8V to a maximum of 3.3V. Output voltage is adjustable according to the external voltage-sensing resistor(s) connected to the voltage setting pin(s). A wide 6V to 40V input voltage range allows the LT3695HMSE#TRPBF to be used in a variety of applications. The minimum input voltage is reduced to 2.5V when the device is enabled in the forced PWM mode (active mode).

Thermal Shutdown

The LT3695HMSE#TRPBF incorporates an internal thermal shutdown circuit which is triggered when the junction temperature exceeds a certain threshold. The device shuts down, the output voltage is clamped and the internal MOSFETs are turned off. Once the over-temperature condition is relieved, the device recovers normally.

Summary

The LT3695HMSE#TRPBF is a powerful and efficient step-down DC/DC regulator that offers ultra-low quiescent current (110nA) and fast transient response with very low output ripple. It can be used to generate a wide variety of output voltages from 0.8V to 3.3V and is suitable for a wide range of applications such as cellular handsets, handheld electronics, portable instruments, and battery-operated devices. The device includes features such as adjustable current limit, soft-start, power saving mode, external synchronization, output voltage programming pins and addressable enable function with a 6V to 40V input voltage range.

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