LTC3713EG#PBF

Frequency - Switching:	1.4MHz
Base Part Number:	LTC3713
Supplier Device Package:	24-SSOP
Package / Case:	24-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	90%
Series:	--
Voltage - Supply (Vcc/Vdd):	1.5 V ~ 36 V
Output Phases:	1
Number of Outputs:	2
Topology:	Buck, Boost
Output Configuration:	Positive
Function:	Step-Up, Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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LTC3713EG#PBF

The LTC3713EG#PBF is a polyphase step-down switching regulator controller with in-built MOSFETs. It offers high efficiency, fast transient response, low output voltage ripple, excellent thermal performance and wide input voltage range. This polyphase power supply controller is available in a thermally enhanced 36-lead 6mm x 6mm Pb-free plastic QFN package and is designed for use in any consumer or industrial application.

Application Field

The LTC3713EG#PBF is ideal for use in a variety of consumer, industrial and automotive applications such as power supplies for computers, network devices and consumer electronics, as well as 3-phase motor control, server, telecom and battery powered systems. This polyphase power supply controller operates with very low input voltage ripple, enabling high efficiency designs that require very tight regulation.

Working Principle

The LTC3713EG#PBF features an integrated voltage loop regulation, which is regulated by the feedback voltage of the output voltage. This voltage loop works in combination with the onboard MOSFET drivers and external MOSFETs to regulate the output voltage by regulating the duty cycle of each phase and controlling the current within each phase. The LTC3713EG#PBF also features constant on-time control, which works in conjunction with the phase interleaving for multi-phase applications to reduce the peak current, minimize EMI and improve the overall efficiency of the design. In addition, the controller integrates a wide range of protection functions such as over current protection, over temperature protection and short circuit protection.

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