BU2FSA4WGWL
1ch 200mA CMOS LDO 稳压器

BUxxSA4系列是输出为200mA的高性能CMOS稳压器。电路电流40µA，功耗低且噪音特性、负载响应特性优异，适用于逻辑IC电源、RF电源、相机模块电源等各种应用。

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主要规格

 
型号 | BU2FSA4WGWL-E2
Status | 可购买
封装 | UCSP50L1
包装数量 | 3000
最小独立包装数量 | 3000
包装形态 | Taping
RoHS | Yes

特性：

Grade

Standard

Breakdown Voltage(Max.)[V]

6.5

ch

1

Vin(Min.)[V]

1.7

Vin(Max.)[V]

5.5

Vout (Typ.) [V]

2.55

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

特点：

・ 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
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设计资源

 

文档

Application Note

  • BUxxSA4 Series Dropout Voltage
  • BHxxRB1, BHxxSA3, BUxxSA4, BUxxSA5 Series PCB Layout

技术记事

Schematic Design & Verification

  • 线性稳压器的基础
  • 线性稳压器的规格
  • 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
  • 通过频率特性分析仪FRA测试相位余量的方法
  • Usage of SPICE Macromodel (for LDO)
  • BAxxCC0 Series Circuit Using a Ceramic Output Capacitor
  • 功率测量中探针校正的重要性 倾斜校正篇
  • 旁路电容器的阻抗特性

Thermal Design

  • Thermal Calculation for Linear Regulator
  • 热阻、热特性参数

封装和质量数据

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)