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1-Kanal 200 mA CMOS-LDO-Regler - BU25SA4WGWL

BUxxSA4 ist ein leistungsstarker CMOS-LDO-Regler mit einer Ausgangsstromkapazität von bis zu 200 mA. Dieses Gerät verfügt trotz des geringen Schaltstromverbrauchs von 40 µA über ein hervorragendes Geräuschverhalten und Ansprechverhalten auf Lasten. Sie eignen sich für eine Vielzahl von Anwendungen wie zum Beispiel die Stromversorgung von Logik-ICs, Funk- und Kameramodulen.

* Dieses Produkt entspricht der STANDARD-Güte und wird nicht für Fahrzeugteile empfohlen.
Teilenummer
Status
Gehäuse
Einheitenmenge
Minimale Gehäusemenge
Gehäusetyp
RoHS
BU25SA4WGWL-E2 Active UCSP50L1 3000 3000 Taping Ja
 
Spezifikationen:
Grade Standard
Breakdown Voltage(Max.)[V] 6.5
ch 1
Vin(Min.)[V] 1.7
Vin(Max.)[V] 5.5
Vout (Typ.) [V] 2.5
Vout Precision ±0.6%
Iout(Max.)[A] 0.2
Circuit Current[mA] 0.04
Output Short Current[mA] 100
Shutdown Function Yes
Thermal Shut-down Yes
Over Current Protection Yes
Over Voltage Protection No
Discharge Function No
Soft Start No
I/O Voltage Difference (Typ.)[V] 0.08(Io=0.1A)
Ripple Rejection [dB] 70.0
Input Capacitor[µF] 0.47
Output Capacitor[µF] 0.47
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Eigenschaften:
  • ・ High Output Voltage Accuracy: ±0.6%
    (±15mV on VOUT<2.5V)
    ・ High Ripple Rejection: 70 dB (Typ, 1 kHz,)
    ・ Compatible with small ceramic capacitor
    (Cin=Cout=0.47 μF)
    ・ Low Current Consumption: 40 μA
    ・ Output Voltage ON/OFF control
    ・ Built-in Over Current Protection Circuit (OCP)
    ・ Built-in Thermal Shutdown Circuit (TSD)
    ・ Adopting ultra-small WLCSP UCSP50L1
 
 
IN VERBINDUNG STEHENDE PRODUKT
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Technische Daten
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.

BHxxRB1, BHxxSA3, BUxxSA4, BUxxSA5 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.