BU28SD2MG-M
200mA 2.8V, Fixed Output, High PSRR, High-Accuracy CMOS LDO Regulator for Automotive

BUxxSD2-M series is high-performance FULL CMOS regulator with 200-mA output, which is mounted on versatile package SSOP5 (2.90mm x 2.80mm x 1.25mm).
It has excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of 33µA. It is most appropriate for various applications such as power supplies for logic IC, RF, and camera modules.

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Product Detail

 
Part Number | BU28SD2MG-MTR
Status | Recommended
Package | SSOP5
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Functional Safety:

Category : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
Learn more…

Specifications:

Grade

Automotive

Breakdown Voltage(Max.)[V]

6.5

ch

1

Vin(Min.)[V]

1.7

Vin(Max.)[V]

6.0

Vout (Typ.) [V]

2.8

Vout Precision

±2.0%

Iout(Max.)[A]

0.2

Circuit Current[mA]

0.033

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]

0.085(Io=0.1A)

Ripple Rejection [dB]

68.0

Input Capacitor[µF]

0.47

Output Capacitor[µF]

0.47

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Features:

・ High-accuracy output voltage of ±2.0% (In all recommended condition)
・ High ripple rejection: 68 dB (Typ., 1 kHz,)
・ Compatible with small ceramic capacitor (Cin=Cout=0.47 μF)
・ Low current consumption: 33 μA
・ ON/OFF control of output voltage
・ With built-in over current protection circuit and thermal shutdown circuit
・ Package SSOP5 is similar to SOT23-5(JEDEC)
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Design Resources

 

Documents

Application Note

  • BUxxSD2 Series Dropout Voltage
  • BDxxSD2, BDxxSD5, BDxxTD3 Series PCB Layout

Technical Articles

Schematic Design & Verification

  • Basics of Linear Regulators
  • Linear Regulator Specifications
  • Reverse Voltage Protection
  • Power Source ON/OFF Characteristics for Linear Regulator
  • Simple Test Method for Estimating the Stability of Linear Regulators
  • Connecting LDOs in Parallel
  • Problem Situations: Power Supply Does Not Start
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Table of resistance for output voltage setting on linear regulator Ics
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
  • Usage of SPICE Macromodel (for LDO)
  • BAxxCC0 Series Circuit Using a Ceramic Output Capacitor
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Calculation for Linear Regulator
  • Thermal Resistance

Tools

2D/3D/CAD

  • SSOP5 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)