BA178M05CP - 技術資料

ROHM的3端子穩壓器依固定的輸出電壓分為5V、6V、7V、8V、9V、10V、12V、15V、18V、20V、24V等11種類型;依電流容量則分為0.5A與1A等2種類型,與封裝搭配組合備有豐富的產品陣容。與它牌的3端子穩壓器具有引腳互換兼用性,如此本系列產品可用於各種裝置中構成電源電路。此外,更搭載過電流保護/過電壓保護/安全工作領域限制電路等各種保護電路,達到高可靠性。

* 本產品是標準級的產品。本產品不建議使用的車載設備。

Application Note

BA178Mxx Series Application Information
 
Suggestions for IC mounting
BA178Mxx, BA78Mxx Series Dropout Voltage
 
This application note provides design values of the “Dropout voltage” that are necessary for designing circuits. From the operating temperature and output current of the target specification, check the maximum value of the input/output voltage difference and use it as the circuit design value.
BA178Mxx Series Typical Performance Curves
 
Characteristic Data
Thermal Design for Three-Terminal Voltage Regulators
 
Three terminal regulators provide a simple, effective, and stable solution to power voltage regulation requirements. Some applications, however, require special techniques to deal with concerns about overheating...
BA178xx, BA178Mxx Series PCB Layout
 
The basic terminal configuration of a linear regulator IC consists of four parts: input, output, GND, and feedback…
Basics of Linear Regulators
 
A linear regulator, also referred to as a "three-terminal regulator" or "dropper," is a power supply long known to many designers owning to its simple circuitry and ease of use...
Linear Regulator Specifications
 
Very important information such as maximum ratings, operating conditions and characteristic graphs are described in the table.
Reverse Voltage Protection
 
A linear regulator integrated circuit (IC) is a DC-to-DC buck converter system that reduces a DC supply from higher voltage level to a lower voltage level...
Power Source ON/OFF Characteristics for Linear Regulator
 
When a linear regulator IC is turned ON, the electric charge is stored in the output capacitor and the output voltage increases up to the specified value.
Thermal Calculation for Linear Regulator
 
This application note explains how to estimate the junction temperature of the IC chip, and provides calculation examples for the ROHM’s standard circuit boards.
Simple Test Method for Estimating the Stability of Linear Regulators
 
Low drop-out (LDO) regulators developed back in the age when large-capacitance multi-layer ceramic capacitors (hereinafter, MLCCs) were uncommon cause a phase delay, leading to oscillation when connected to a low-ESR capacitor like an MLCC...
Connecting LDOs in Parallel
 
Provides some hints on how to connect LDOs in parallel.
Problem Situations: Power Supply Does Not Start
 
Although linear regulators can be used to easily configure power supplies, the linear regulators may cause startup problems depending on the type of loads. This application note introduces cases where the power supplies do not start correctly in the linear regulators.
Power Supply Sequence Circuit with General Purpose Power Supply IC
 
This application note proposes a circuit that accomplishes the power supply sequence without using any dedicated power supply sequence IC, by using general purpose power supply ICs.
Table of resistance for output voltage setting on linear regulator Ics
 
This application notes provide tables for each series so that it is easy to set the resistance value for the output voltage setting from various internal reference voltages VREF.
Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
 
This application note describes the method and result of the ripple and switching noise suppression using a linear regulator and a low pass filter.
Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
 
This application note introduces a method for easily measuring the phase margin with a Frequency Response Analyzer (FRA) made by NF Corporation.
BAxxCC0 Series Circuit Using a Ceramic Output Capacitor
 
This application note proposes a circuit using an output ceramic capacitor that allows a stable phase compensation.
Thermal Resistance
 
The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.
Part Explanation
 
For ICs