LTC3703EG-5#TRPBF

Frequency - Switching:	100kHz ~ 600kHz
Base Part Number:	LTC3703
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	93%
Series:	--
Voltage - Supply (Vcc/Vdd):	4.1 V ~ 15 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LTC3703EG-5#TRPBF is a device applicable to the PMIC (power management integrated circuits) Voltage Regulators DC DC Switching Controllers category. It is a low current, low power step-up DC-DC controller specifically engineered for very low noise operation. It integrates efficient power management of up to 17V input voltage and output voltage up to 300V in a very small TSOT23-5 package.Working PrincipleThis DC-DC controller operates using the flyback topology in a step-up buck-boost configuration. It supports current mode control for fast transient and dynamic line regulation. The LTC3703EG-5 includes a dual feedback loop system consisting of an outer current mode PWM loop and an inner voltage mode loop. The PWM frequency is adjustable up to 500kHz, allowing to reduce switching loss, inductor ripple current and component size.Additional performance-enhancing features include an adjustable soft-start function and internal over-temperature protection. The built-in MOSFET driver provides a high-side drive up to 200mA, which eliminates the need for an external driver. The LTC3703EG-5 also delivers low noise performance with an operating voltage range of 2.8V to 17V and an output voltage range of 0.8V to 300V.Key BenefitsThis device offers attractive benefits such as low power consumption, fast transient response, and adjustable PWM frequency. This provides a low on-die ESR and very high efficiency in DC-DC converters. To achieve a low output voltage ripple even at high load currents, the LTC3703EG-5 also supports synchronous rectification.The combination of the high efficiency, low power consumption and low noise makes the LTC3703EG-5 an ideal choice for portable applications such as medical, audio and battery operated products. Moreover, the small package size, up to 17V input voltage range, and up to 300V output voltage range, makes it a versatile solution for all kinds of voltage conversion/regulation applications.ConclusionThe LTC3703EG-5#TRPBF is a device specialized for PMIC Voltage Regulators DC DC Switching Controllers application that offers good performance and reliable performance. Its features such as low power consumption, fast transient response, adjustable PWM frequency and synchronous rectification make it suitable for a wide range of applications. Moreover, the small package size, extended input and output voltage range, and low noise output make it an excellent choice for a variety of portable electronics and battery operated products.

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