IC manufacturers Toshiba

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Toshiba TPN8R903NL/TPN2R903PL | Demoboard RD-205

Non-Isolated Buck DC-DC Converter

Overview

TopologyBuck Converter
Input voltage11.4-12.6 V
Switching frequency197.9-596.8 kHz
Output 11.5 V / 10 A
Output 21.05 V / 10 A
IC revision11

Description

This reference guide describes the specifications, use, and various properties of the Non-Isolated Buck DC-DC Converter (hereafter referred to as this power supply). This reference design consists of 24 types of DC-DC converter designs in total. All take DC12 V as inputs and generate 8 different outputs which are DC 5 V/5 A, DC 5 V/8 A, DC 5 V/12 A, DC 3.3 V/10 A, DC 3.3 V/13.3 A, DC 3.3V/18.2 A, DC 1.5 V/10 A, DC 1.05 V/10 A, and each one further optimized in 3 ways, i.e. for: 50 % load efficiency, 100 % load efficiency, and area. Since small components are selected, they can be applied to Point of Load power supplies of various sizes and applications. Our power MOSFETs are used as switching elements, which allows high-speed switching and high-efficiency.

Features

  • Non-Isolated Buck DC-DC Converter with synchronous rectification
  • 8 power supply circuit designs with different output voltage and output power
  • Each power supply circuit design has 3 variations

Typical applications

  • Switching Voltage Regulators, DC-DC Converters

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples
744323033SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCI SMT Flat Wire High Current Inductor 0.33 30.9 15 36 2.17 119 Superflux
744316047SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCI SMT Flat Wire High Current Inductor 0.47 19.5 8 16 2.75 280 Superflux
Order Code Data­sheet Simu­lation
744323033SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

744316047SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples