BU28SA4WGWL
1ch 200mA CMOS LDO 穩壓器

BUxxSA4系列為200mA輸出的高性能CMOS穩壓器。電路電流40µA與低功耗的雜訊特性、負載反應特性優異、適合邏輯IC用電源、RF用電源、相機模組用電源等用途。

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。

Product Detail

 
料號 | BU28SA4WGWL-E2
狀態 | 可購買
封裝 | UCSP50L1
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]

5.5

Vout (Typ.) [V]

2.8

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

Package Size

0.8x0.8 (t=0.55)

功能:

・ 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

Design Resources

 

Documents

Application Note

  • BUxxSA4 Series Dropout Voltage
  • BHxxRB1, BHxxSA3, BUxxSA4, BUxxSA5 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
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Calculation for Linear Regulator
  • Thermal Resistance

Packaging & Quality

Package Information

  • Package Information

Manufacturing Data

  • Factory Information

Environmental Data

  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

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