V7802-1000-SMT-TR Power Supplies - Board Mount

Current - Output (Max):	1A
Control Features:	Enable, Active High
Size / Dimension:	0.60" L x 0.33" W x 0.29" H (15.2mm x 8.5mm x 7.3mm)
Package / Case:	10-SMD Module, 6 Leads
Mounting Type:	Surface Mount
Efficiency:	82%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OTP, SCP
Applications:	ITE (Commercial)
Power (Watts):	3W
Series:	V78-1000-SMT
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	2.5V
Voltage - Input (Max):	18V
Voltage - Input (Min):	5V
Number of Outputs:	1
Type:	Linear Regulator Replacement
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters: V7802-1000-SMT-TR Application Field and Working Principle

DC-DC converters are electronic devices that convert an input DC power voltage from one DC voltage to another DC voltage. DC-DC converters are widely used in various industries. The most common application area is in automobiles, power supplies, and as on-board systems for telecommunications and computer processors. They are also used for supplying and controlling power for camera optics, consumer electronics, UAVs, electric vehicles, industrial automation, energy-efficient lighting, and other applications. The V7802-1000-SMT-TR DC-DC Converter is a step-down regulator that provides a 4A maximum output current with 1.2V to 36V input voltage range. It supports up to 42V surge withstand voltage. It is packaged in a wide variety of footprints including in a 6-pin SOT-23 package for use in limited space applications. The V7802-1000-SMT-TR utilizes a synchronous rectification technique called Pulse Frequency Modulation (PFM) to achieve high efficiency, low noise operation and excellent output power regulation. The PFM technique utilizes two or more transistors that are gated at different times and their respective destinies to control the output power. The PFM technology allows for a switchover from PFM to Pulse Width Modulation (PWM) mode when needed. This type of change between the two operating modes is particularly useful in low or zero EMI environments. The V7802-1000-SMT-TR DC-DC converter also integrates two unique, low quiescent current auto start up circuits for remote control and short circuit protection. It has a soft start feature that allows shut-off to be done during high current surges. The V7802-1000-SMT-TR also contains both Over Current (OCP) and Over Temperature (OTP) protection. In terms of noise filtering, the V7802-1000-SMT-TR DC-DC converter employs a conventional capacitor-input method to overcome noise caused by power surge and external noise. The conventional capacitor-input method uses a large output capacitance and a low-pass filter as the input to the switching converter and prevents audible noise during the conversion process. In summary, the V7802-1000-SMT-TR DC-DC converter is an efficient, cost-effective way to convert between different DC voltages. Its low quiescent current, wide input voltage range, and PFM/PWM mode switch make it a convenient choice for many applications that require precision DC-DC conversion. Its integrated protection features are able to provide reliable protection from overcurrent and overtemperature conditions, thereby enhancing its functionality and reliability. Additionally, its noise filtering capabilities make it suitable for noise-sensitive applications.

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