BD3540NUV
3.0-5.5V 0.5A 1ch LDO

BD354XNUV為能夠實現從超低電壓輸入到超低電壓輸出的晶片組用的線性穩壓器。透過使用內建的N-MOSFET功率電晶體，能夠最大在Rds ON(RON=400mΩ(BD3540NUV))發生的電壓差的超低輸入/出電壓差下使用。透過把輸入/出電壓差控制在很小的限度，能夠實現大電流(Iomax=0.5A(BD3540NUV))輸出、降低變換損失，因此可置換切換式電源。BD354XNUV不需要切換式電源所必須的扼流圈和整流用的二極體、功率電晶體，因此能夠降低裝置整體的成本和小型化。使用外接電阻能夠任意設定0.65～2.7V的輸出電壓。另外，透過使用NRCS端子能夠調整電壓輸出的起動時間，因此能夠對應裝置的電源程序。

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Product Detail

 
料號 | BD3540NUV-E2
狀態 | 推薦品
封裝 | VSON010V3030
單位數量 | 3000
最小包裝數量 | 3000
包裝形式 | Taping
RoHS | Yes

規格:

Grade

Standard

Breakdown Voltage(Max.)[V]

6.0

ch

1

Vin(Min.)[V]

3.0

Vin(Max.)[V]

5.5

Vin 2ch[V]

0.95 to Vcc-1

Vout (Typ.) [V]

0.65 to 2.7

Vout Precision

±1.0

Iout(Max.)[A]

0.5

Circuit Current[mA]

0.7

Thermal Shut-down

Recover

Over Current Protection

Yes

Under Voltage Lock Out

Yes

Soft Start

Variable

Operating Temperature (Min.)[°C]

-10

Operating Temperature (Max.)[°C]

100

功能:

・高精度電壓穩壓器(0.650V±1%)
・內建VCC低電壓誤動作防止電路
・透過NRCS減少衝擊電流(NRCS:Non Rush Current on Startup的簡稱)
・內建超低Rds ON(400mΩ typ.)Nch Power MOSFET
・內建電流限制電路
・内建熱截斷電路
・輸出可變型 (0.65～2.7V)
・採用小型VSON010V3030封裝:3.0×3.0×0.9(mm)
・對應追踪功能
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Design Resources

 

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

2D/3D/CAD

  • VSON010V3030 Footprint / Symbol

Packaging & Quality

Package Information

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  • 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)