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UCSP50L1
Integrated Circuits (ICs)

BD8317GWL-E2

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Rohm Semiconductor

STEP-UP AND INVERTED 2-CHANNEL DC/DC CONVERTER WITH BUILT-IN POWER MOSFET

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UCSP50L1
Integrated Circuits (ICs)

BD8317GWL-E2

Active
Rohm Semiconductor

STEP-UP AND INVERTED 2-CHANNEL DC/DC CONVERTER WITH BUILT-IN POWER MOSFET

Technical Specifications

Parameters and characteristics for this part

SpecificationBD8317GWL-E2
Current - Output1 A
Frequency - Switching800 kHz
FunctionStep-Up
Mounting TypeSurface Mount
Number of Outputs2
Operating Temperature [Max]85 C
Operating Temperature [Min]-35 °C
Output ConfigurationPositive and Negative (Dual Rail)
Output TypeAdjustable
Package / CaseCSPBGA, 11-UFBGA
Supplier Device PackageUCSP50L1
Synchronous RectifierFalse
TopologyBoost
Voltage - Input (Max) [Max]5.5 V
Voltage - Input (Min) [Min]2.5 V
Voltage - Output (Max)-9 V, 18 V
Voltage - Output (Min/Fixed)-1 V, 5.5 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyCut Tape (CT) 1$ 2.88
10$ 1.86
25$ 1.60
100$ 1.30
250$ 1.16
500$ 1.07
1000$ 0.99
Digi-Reel® 1$ 2.88
10$ 1.86
25$ 1.60
100$ 1.30
250$ 1.16
500$ 1.07
1000$ 0.99
Tape & Reel (TR) 3000$ 0.82

Description

General part information

BD8317GWL Series

The BD8317GWL is step-up and inverted 2-channel switching regulator with integrated internal high-side MOSFET. With wide input range from 2.5 to 5.5V, it suitable for application of portable item. In addition, The small package design is ideal for miniaturizing the power supply.

Documents

Technical documentation and resources

Heat Dissipation Effect of Thermal Via in Exposed Pad Type Package

Thermal Design

Resistor Value Table to set Output Voltage of Buck Converter IC

Schematic Design & Verification

PCB Layout Thermal Design Guide

Thermal Design

Impedance Characteristics of Bypass Capacitor

Schematic Design & Verification

Five Steps for Successful Thermal Design of IC

White Paper

The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit

Schematic Design & Verification

Thermal Resistance

Thermal Design

Snubber Circuit for Buck Converter IC

Schematic Design & Verification

BD8317GWL SPICE Modeling Report

Models

Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter

Schematic Design & Verification

Three Steps for Successful Design of DC-DC Converters

White Paper

Considerations for Power Inductors Used for Buck Converters

Schematic Design & Verification

BD8317GWL Data Sheet

Data Sheet

Considering Input Filter to Reduce Conducted Emissions by DCDC Converter

Schematic Design & Verification

PCB Layout Essential Check sheet for Switching Regulator

Schematic Design & Verification

Factory Information

Manufacturing Data

Efficiency of Buck Converter

Schematic Design & Verification

Solder Joint Rate and Thermal Resistance of Exposed Pad

Thermal Design

Types of Capacitors Used for Output Smoothing of Switching Regulators and their Precautions

Schematic Design & Verification

θ<sub>JA</sub> and Ψ<sub>JT</sub>

Thermal Design

PCB Layout Techniques of Buck Converter

Schematic Design & Verification

Step-down DC-DC converter PCB layout EMC Design guide

Schematic Design & Verification

What Is Thermal Design

Thermal Design

Design Guide and Example of Stencil for Exposed Pad

Thermal Design

Overview of ROHM's Simulation Models(for ICs and Discrete Semiconductors)

Technical Article

Method for Calculating Junction Temperature from Transient Thermal Resistance Data

Thermal Design

Two-Resistor Model for Thermal Simulation

Thermal Design

Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter

Schematic Design & Verification

Phase Compensation Design for Current Mode Buck Converter

Schematic Design & Verification

Capacitor Calculation for Buck converter IC

Schematic Design & Verification

How to Use the Thermal Resistance and Thermal Characteristics Parameters

Thermal Design

Judgment Criteria of Thermal Evaluation

Thermal Design

Power Supply Sequence Circuit with General Purpose Power Supply IC

Schematic Design & Verification

Cutting-Edge Web Simulation Tool "ROHM Solution Simulator" Capable of Complete Circuit Verification of Power Devices and Driver ICs

White Paper

Precautions for PCB Layout Regarding Common Mode Filters

Technical Article

Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)

Schematic Design & Verification