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Product Introduction

LM2675 series is a DC/DC switching buck converter controlled

by a fixed frequency of 260kHz PWM.It is mainly composed of

internal frequency compensation, fixed frequency oscillator, builtin

overcurrent protection, power switch control and other circuits.

It can drive 1A load with high efficiency, low ripple, good linearity

and load adjustment ability.Only a few external components

are needed to realize the function of DC/DC voltage reduction and

stabilization, which is very simple and practical.PWM control

circuit can adjust the duty cycle from 0 according to the load

To 100 to achieve high work efficiency.It has an external

enabling control opening function, which can realize the

controllable switch between standby and work, making the

application more flexible.

Product features

● Built in overtemperature shutdown function

● Built in overcurrent protection function

● Internal integrated efficient power switch

● Good linearity and load adjustment capability

● ON/OFF pin with hysteresis function

● TTL shutdown capability

● high efficiency

● Simple periphery

● Wide input voltage range: 7V~40V

● Fixed output voltage: 3.3V, 5V, 12V, etc

● Adjustable output voltage range: 1.21V~37V

(adjustable)

● High precision output: ± 2

● Fixed switching frequency: 260 kHz

● Maximum output current capacity: 1A

● Minimum linear drop voltage drop: 1.5V

● Package form: SOP-8