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Integrated Circuits (ICs)

BU33SA5WGWZ-E2

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Rohm Semiconductor

500MA 3.3V, FIXED OUTPUT, HIGH PSRR, HIGH-ACCURACY CMOS LDO REGULATOR

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Product thumbnail image
Integrated Circuits (ICs)

BU33SA5WGWZ-E2

Active
Rohm Semiconductor

500MA 3.3V, FIXED OUTPUT, HIGH PSRR, HIGH-ACCURACY CMOS LDO REGULATOR

Technical Specifications

Parameters and characteristics for this part

SpecificationBU33SA5WGWZ-E2
Control FeaturesEnable
Current - Output500 mA
Current - Quiescent (Iq)80 µA
Mounting TypeSurface Mount
Number of Regulators1
Operating Temperature [Max]105 ░C
Operating Temperature [Min]-40 C
Output ConfigurationPositive
Package / CaseCSPBGA, 4-XFBGA
Protection FeaturesOver Temperature, Over Current
PSRR70 db
Supplier Device PackageUCSP30L1
Voltage - Input (Max) [Max]5 V
Voltage - Output (Min/Fixed)3.3 V
Voltage Dropout (Max) [Max]0.15 V

Pricing

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

DistributorPackageQuantity$
DigikeyN/A 400$ 0.62
NewarkEach (Supplied on Cut Tape) 1$ 0.77
10$ 0.57
25$ 0.53
50$ 0.48
100$ 0.43
250$ 0.41
500$ 0.39
1000$ 0.35

Description

General part information

BU33SA5WGWZ Series

BUxxSA5WGWZ series are high-performance CMOS LDO regulators with output current ability of up to 500-mA. These devices have excellent noise and load response characteristics despite of its low circuit current consumption of 33µA. They are most appropriate for various applications such as power supplies for logic IC, RF, and camera modules.

Documents

Technical documentation and resources

Basics of Linear Regulators

Schematic Design & Verification

Usage of SPICE Macromodel (for LDO)

Schematic Design & Verification

BUxxSA5 Series Dropout Voltage

Application Note

Solder Joint Rate and Thermal Resistance of Exposed Pad

Thermal Design

BU33SA5WGWZ Data Sheet

Data Sheet

How to Use the Two-Resistor Model

Thermal Design

Problem Situations: Power Supply Does Not Start

Schematic Design & Verification

Factory Information

Manufacturing Data

Table of resistance for output voltage setting on linear regulator Ics

Schematic Design & Verification

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

Schematic Design & Verification

PCB Layout Thermal Design Guide

Thermal Design

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

Schematic Design & Verification

Connecting LDOs in Parallel

Schematic Design & Verification

Reverse Voltage Protection

Schematic Design & Verification

Judgment Criteria of Thermal Evaluation

Thermal Design

Method for Calculating Junction Temperature from Transient Thermal Resistance Data

Thermal Design

Five Steps for Successful Thermal Design of IC

White Paper

How to Select Reverse Current Protection Diodes for LDO Regulators

Schematic Design & Verification

θ<sub>JC</sub> and Ψ<sub>JT</sub>

Thermal Design

Design Guide and Example of Stencil for Exposed Pad

Thermal Design

Power Source ON/OFF Characteristics for Linear Regulator

Schematic Design & Verification

Precautions When Measuring the Rear of the Package with a Thermocouple

Thermal Design

Thermal Resistance

Thermal Design

How to Use the Thermal Resistance and Thermal Characteristics Parameters

Thermal Design

Impedance Characteristics of Bypass Capacitor

Schematic Design & Verification

Basics of Thermal Resistance and Heat Dissipation

Thermal Design

What Is Thermal Design

Thermal Design

Calculating Junction Temperature from Inrush Current

Thermal Design

Thermal Calculation for Linear Regulator

Thermal Design

Six Steps for Successful Thermal Design of LDO Regulator ICs

White Paper

θ<sub>JA</sub> and Ψ<sub>JT</sub>

Thermal Design

Simple Test Method for Estimating the Stability of Linear Regulators

Schematic Design & Verification

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

Technical Article

Heat Dissipation Effect of Thermal Via in Exposed Pad Type Package

Thermal Design

EMC Measures for LDOs

Schematic Design & Verification

Power Supply Sequence Circuit with General Purpose Power Supply IC

Schematic Design & Verification