1ch 200mA CMOS LDO Regulators - BU15JA2VG-C

BU15JA2VG-C is high-performance CMOS LDO regulators with output current ability of up to 200mA. The SSOP5 package can contribute to the downsizing of the set. This device has excellent noise and load response characteristics despite of its low circuit current consumption of 33μA. It is most appropriate for various applications such as power supplies for radar modules and camera modules.

Technical Documents

Application Note

BUxxJA2DG-C, BUxxJA2VG-C 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.
SSOP5 Thermal Resistance Data (BUxxJA2DG-C, BUxxJA2VG-C Series)
 
This application note provides the thermal resistance data of the SSOP5 package used for the thermal design of the BUxxJA2DG-C and BUxxJA2VG-C series linear regulator IC.
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...
Connecting LDOs in Parallel
 
Provides some hints on how to connect LDOs in parallel.
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.
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.
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.
Usage of SPICE Macromodel (for LDO)
 
This application note explains how to install SPICE macromodels and how the circuit symbols are configured.
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.
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...
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.
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

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