LT3692AIUH#PBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LT3692
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	110kHz ~ 2.5MHz
Current - Output:	3.5A
Voltage - Output (Max):	34.2V
Series:	--
Voltage - Input (Max):	36V
Voltage - Input (Min):	3V
Number of Outputs:	2
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LT3692AIUH#PBF is a synchronous rectified DC-DC switching regulator,with power stage and voltage feedback control, it designed to generate an accurate output voltage or current in constant or adjustable ratio to the input supply voltage.This type of regulator is also used to deliver a constant output voltage or current to the load, regardless of input voltage fluctuation, which is essential in many applications，such as power supply design, to increase energy efficiency and provide precise power control.

Application fields of LT3692AIUH#PBF

The LT3692AIUH#PBF can be used to power high-current DC-DC converter power stages, with 100% rating. It is also suitable for an large variety of consumer, automotive, industrial and communication applications, where its features provide an excellent solution. It can be used in a wide range of applications, including:

• High efficiency boost converters
• Isolated step-up DC-DC converters with integrated NFET cascoded switch
• Isolated buck-boost LED drivers
• High-current synchronous buck regulators
• Split power supply design
• Input-output transformer coupled regulators
• Low noise power converters
• Single- or multi-phase DC-DC converter

Working principle of LT3692AIUH#PBF

The LT3692AIUH#PBF is a synchronous rectified DC-DC switching regulator, with power stage and feedback control. It is designed to generate an accurate output voltage or current in constant or adjustable ratio to the input supply voltage. Its synchronous rectified architecture allows for high efficiency and low output ripple. It also uses advanced current-limit circuitry for improved transient response. The LT3692AIUH#PBF can also be used to generate current-mode output in a continuous-conduction mode of operation. In this mode, the output current is always regulated even during transients. The device also features a low-noise voltage-mode control scheme. The device can also be used to control an isolated DC-DC converter, with a variable output voltage. Its internal oscillator is used to control the pulse-width-modulated (PWM) signal that drives the NFET switch of the converter. The adjustable PWM frequency ensures low noise operation and high efficiency over a wide range of input and output voltages. Furthermore, the LT3692AIUH#PBF features integrated loop-compensation circuitry and thermal protection, which provide improved output voltage regulation, transient response and stability. The device can be configured to operate in either current-limit or voltage-limit mode, and it features a wide input-voltage range of 4.5V to 66V.

Conclusion

In conclusion, the LT3692AIUH#PBF is a synchronous rectified DC-DC switching regulator, with power stage and voltage feedback control. It is designed to generate an accurate output voltage or current in constant or adjustable ratio to the input supply voltage. It is suitable for a wide range of power supply applications, including high-current DC-DC converter power stages, isolated step-up DC-DC converters, isolated buck-boost LED drivers, high-current synchronous buck regulators, and split power supply design. Its advanced features ensure excellent performance and efficiencies.

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