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Toshiba TPH11003NL/TPH8R903NL | 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 15 V / 5 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,30%
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples
74439370068SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-XHMI SMT Power Inductor 6.8 25.3 40.05 4.1 4.51 14 SMT
Order Code Data­sheet Simu­lation
74439370068SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples