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reference designRT6212B | Demoboard RT6212AHGJ6F

Richtek RT6212B | Demoboard RT6212AHGJ6F

2A, 18V, 500kHz, ACOT™ Step-Down Converter

Overview

TopologyBuck Converter
Input voltage12 V
Output 11.2 V / 2 A

Description

The RT6212A is a high-efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2Aoutput current from a 4.5V to 18V input supply. The RT6212A adopts ACOT architecture to allow the transientresponse to be improved and keep in constant frequency. Cycle-by-cycle current limit provides protection againstshorted outputs and soft-start eliminates input current surge during start-up. Fault conditions also include outputunder voltage protection, output over current protection, and thermal shutdown.

Features

  • Integrated 163mΩ/86mΩ MOSFETs
  • 4.5V to 18V Supply Voltage Range
  • 500kHz Switching Frequency
  • ACOT Control
  • 0.8V±1.5% Voltage Reference
  • Internal Start-Up into Pre-biased Outputs
  • Compact Package : TSOT-23-6 Pin
  • Over-Current Protection and Hiccup

More information

Parts approved by Richtek

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
Material
LR(µH)
fres(MHz)
SamplesAvailability & Sample
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7443340220
SPECWE-HCC SMT High Current Cube Inductor, 2.2 µH, 14.8 A

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCC SMT High Current Cube Inductor
Inductance2.2 µH
Performance Rated Current14.8 A
Saturation Current @ 10%11.3 A
Saturation Current @ 30%12.9 A
DC Resistance5.6 mΩ
MaterialFerrite 
Rated Inductance1.4 µH
Self Resonant Frequency97 MHz
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