BU28SD2MG-M
1ch 200mA CMOS LDO 穩壓器

BUxxSD2-M系列為搭配通用型封裝的SSOP5 (2.90mm x 2.80mm x 1.25mm) 200mA輸出之高性能FULL CMOS穩壓器。電路電流33µA與低功耗的雜訊特性、負載反應特性優異、適合車用音響、車用導航等用途。

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Product Detail

 
料號 | BU28SD2MG-MTR
狀態 | 推薦品
封裝 | SSOP5
單位數量 | 3000
最小包裝數量 | 3000
包裝形式 | Taping
RoHS | Yes
Functional Safety | FS supportive

規格:

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

功能:

・ 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

  • Thermal Calculation for Linear Regulator
  • Thermal Resistance

Tools

Simulations (Login Required)

  • Method for Exporting Circuit Data (ROHM Solution Simulator)

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)