BU33SD5WG
1ch 500mA CMOS LDO穩壓器

BU33SD5為搭載通用型封裝SSOP5 (2.90mm x 2.80mm x 1.25mm)、擁有500mA輸出的高性能CMOS穩壓器。電路電流33µA低功耗但擁有抗雜訊特性、負載響應性能優異、適合邏輯IC用電源、RF用電源、相機模組用電源等各式應用。

Data Sheet 購買
* 本產品是標準級的產品。
本產品不建議使用的車載設備。
Data Sheet 購買

Product Detail

 
料號 | BU33SD5WG-TR
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

規格:

Grade

Standard

Breakdown Voltage(Max.)[V]

6.5

ch

1

Vin(Min.)[V]

1.7

Vin(Max.)[V]

6.0

Vout (Typ.) [V]

3.3

Vout Precision

±2.0%

Iout(Max.)[A]

0.5

Circuit Current[mA]

0.033

Shutdown Function

Yes

Thermal Shut-down

Yes

Over Current Protection

Yes

Over Voltage Protection

No

Discharge Function

No

Soft Start

No

Ripple Rejection [dB]

68.0

Load Regulation[mV]

0.5

Input Capacitor[µF]

1.0

Output Capacitor[µF]

1.0

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

功能:

· High Output Voltage Accuracy: ±2.0% (In all recommended conditions)
· High Ripple Rejection: 68 dB (Typ, 1 kHz,)
· Compatible with small ceramic capacitor (Cin=Cout=0.47 µF)
· Low Current Consumption: 33 µA
· Output Voltage ON/OFF control
· Built-in Over Current Protection Circuit (OCP)
· Built-in Thermal Shutdown Circuit (TSD)
· Package SSOP5 is similar to SOT23-5(JEDEC)

Design Resources

 

Documents

Application Note

  • BUxxSD5 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)