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3ch CMOS LDO Regulators - BU6654NUX

The BU665*NUX series integrates a 200mA output high performance FULL CMOS regulator into an ultra-compact VSON008X2030 package (2.0mm×3.0mm×0.6mm). Additional features include a circuit current of only 120µA for low power consumption along with superior noise and load response characteristics, making them ideal for use in power supplies for a wide variety of applications, including logic ICs, RF circuits, and camera modules.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BU6654NUX-TR Active VSON008X2030 4000 4000 Taping Yes
 
Specifications:
Grade Standard
Breakdown Voltage(Max.)[V] 6.0
ch 3
Vin(Min.)[V] 2.5
Vin(Max.)[V] 5.5
Vout (Typ.) [V] 3.3
Vout Precision ±1.0%, ±25mV, ±25mV
Iout(Max.)[A] 0.2
Iout2(Max.)[A] 0.2
Iout3(Max.)[A] 0.2
Circuit Current[mA] 0.12
Output Short Current[mA] 70
Shutdown Function Yes
Thermal Shut-down Yes
Over Current Protection Yes
Discharge Function Yes
I/O Voltage Difference (Typ.)[V] 0.36(Io=0.2A)
Ripple Rejection [dB] 65.0
Load Regulation[mV] 10(Io=1 to 100mA)
Input Capacitor[µF] 2.2
Output Capacitor[µF] 1.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Features:
  • ・High accuracy output voltage : ±1%
    ・High ripple rejection ratio
    ・Built-in output discharge during standby operation function
 
 
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Technical Data
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.

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.