IC manufacturers Richtek

IC manufacturers (95)

Richtek RT2825

4.5V to 18V, 5A/5A Dual Synchronous Step-Down Converter

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Switching frequency200-1000 kHz
Output 11.8 V / 5 A
Output 21.2 V / 5 A
IC revisionDatasheet

Description

4.5V to 18V, 5A/5A Dual Synchronous Step-Down ConverterThe RT2825 features two synchronous wide input rangehigh efficiency buck converters that cab deliver up to 5A/5A output current from a 4.5V to 18V input supply. Theconverters are designed to simplify its application whilegiving the designer the option to optimize their usageaccording to the target application.DS2825-00 May 2017

Features

 Wide Input Supply Voltage Range : 4.5V to 18V Fully Integrated Dual-Buck, Up to 5A/5A Adjustable Switching Frequency 200kHz to 1MHzSet by External Resistor or SYNC Signal Dedicated Enable/Soft-Start for Each Buck Current Mode Control with Simple CompensationCircuit Adjustable Cycle-by-Cycle Current Limit Set byExternal Resistor Over-Temperature Protection Power Good Indicator Discontinuous Operating Mode at Light Load whenLOWP = L 1% VREF Accuracy RoHS Compliant and Halogen Free

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples
744325120SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 1.2 32.6 12 25 1.8 75 Superflux
7443551130SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 1.3 32.1 11 25 1.8 59 WE-PERM
744325180SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 1.8 22.1 7 18 3.5 70 Superflux
7443551200SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 2 26.5 9 22 2.6 45 WE-PERM
744325240SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 2.4 18.6 6.9 17 4.75 67 Superflux
7443551280SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 2.8 22.5 8 17.5 3.3 35 WE-PERM
744325330SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 3.3 16.6 5 15 5.9 54 Superflux
7443551370SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 3.7 18.3 7 16 4.9 26 WE-PERM
744325420SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 4.2 15.4 5 14 7.1 33 Superflux
7443551470SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 4.7 14.9 6 15 7 30 WE-PERM
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples