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reference designRHP50000

Analog Devices RHP50000

5.5V, 12.5A Synchronous Step-Down Silent Switcher 2

Overview

TopologyBuck Converter
Input voltage2.25-5.5 V
Switching frequency500-5000 kHz
Output 10.5 V / 12.5 A
Output 20.5 V / 12.5 A
IC revisionA

Description

The RHP50000-CSL is a very small, low noise, monolithic step-down DC/DC converter capable of providing up to 12.5A of output current from a 2.25V to 5.5V input supply. The device employs Silent Switcher 2 architecture with internal hot loop bypass capacitors to achieve both low EMI and high efficiency at switching frequencies as high as 5MHz. For systems with higher power requirements, multi-phasing parallel converters is readily implemented.

Features

  • No Single-Event Latch-Up (SEL) up to 47.0 MeV·cm2/mg at VIN ≤ 3.6V
  • Total Ionizing Dose (TID) Assured up to 30krad(Si)
  • Silent Switcher®2 Architecture: Ultralow EMI Emissions
  • High Efficiency—4.5mΩ NMOS and 16mΩ PMOS
  • Wide Bandwidth, Fast Transient Response
  • Safely Tolerates Inductor Saturation in Overload
  • VIN Range: 2.25V to 5.5V
  • VOUT Range: 0.5V to VIN
  • VOUT Accuracy: ±1% with Remote Sense
  • Minimum On-Time: 35ns
  • Programmable Frequency to 5MHz
  • Shutdown Current: 1μA
  • Output Soft-Start with Voltage Tracking
  • Power Good Output
  • Die Temperature Monitor
  • Configurable for Paralleling Power Stages in ForcedContinuous Mode
  • Thermally Enhanced 3mm × 3mm LQFN Package

Typical applications

  • Distributed DC Power Systems (Point-of-Load); FPGA, ASIC, μP Core Supplies
  • Low Earth Orbit (LEO) Satellites, Avionics, Point-to-Point Communication Systems
  • Point-to-Point Communication Systems

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
LR(µH)
IR(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
SamplesAvailability & Sample
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744340300055
SPECWE-HCM SMT High Current Flat Wire Inductor, 0.055 µH, 0.055 µH

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 Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
Inductance0.055 µH
Rated Inductance0.055 µH
Rated Current27 A
Saturation Current @ 10%23.6 A
Saturation Current @ 30%25.2 A
DC Resistance0.27 mΩ
Self Resonant Frequency123 MHz
MaterialMnZn 
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