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R1204K312A-TR

Part Number	R1204K312A-TR
Manufacturer	RICOH
Description	Step-up DC/DC Converter
Published	Aug 27, 2019
Detailed Description	R1204x Series Step-up DC/DC Converter with Shutdown Function No. EA-284-180511 OUTLINE The R1204x is a low supply cur...
Datasheet	R1204K312A-TR PDF File

Overview

R1204x Series Step-up DC/DC Converter with Shutdown Function No.
EA-284-180511 OUTLINE The R1204x is a low supply current PWM step-up DC/DC converter.
Internally, a single IC consists of an NMOS FET, an oscillator, a PWM comparator, a voltage reference unit, an error amplifier, a current limit circuit, an under voltage lockout circuit (UVLO), an over-voltage protection circuit (OVP), a soft-start circuit, a maximum duty cycle limit circuit, and a thermal shutdown protection circuit.
By simply using an inductor, a resistor, capacitors and a diode as external components, a high-efficiency step-up DC/DC converter can be easily configured.
As protection functions, the IC contains a thermal sh...

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