1ch 200mA CMOS LDO Regulators - BU11TD2WNVX

BU11TD2WNVX is high-performance FULL CMOS regulator with 200-mA output, which is mounted on versatile package SSON004X1010 (1.00mm ×1.00 mm ×0.60mm). It has excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of 35µA. It is most appropriate for various applications such as power supplies for logic IC, RF, and camera modules.

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* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BU11TD2WNVX-TL Active SSON004X1010 5000 5000 Taping Yes
Grade Standard
Breakdown Voltage(Max.)[V] 6.5
ch 1
Vin(Min.)[V] 1.7
Vin(Max.)[V] 6.0
Vout (Typ.) [V] 1.1
Vout Precision ±25mV
Iout(Max.)[A] 0.2
Circuit Current[mA] 0.035
Output Short Current[mA] 70
Shutdown Function Yes
Thermal Shut-down Yes
Over Current Protection Yes
Over Voltage Protection No
Discharge Function Yes
Soft Start No
Ripple Rejection [dB] 70.0
Load Regulation[mV] 10(Io=1 to 100mA)
Input Capacitor[µF] 0.47
Output Capacitor[µF] 0.47
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・High-accuracy output voltage of ±1% (±25 mV on Vout < 2.5V products)
    ・High ripple rejection: 70 dB (Typ., 1 kHz,)
    ・Compatible with small ceramic capacitor (CIN=Co=0.47 µF)
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Technical Data
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.

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.

BUxxUA3, BUxxTD2 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...

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...

Thermal Calculation for Linear Regulator

The loss in linear regulators increases as the difference between the input and output voltages increases. Since most of the loss is converted to heat, a very large amount of heat may be generated in some conditions...

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.

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.

Connecting LDOs in Parallel

Provides some hints on how to connect LDOs in parallel.