BH29RB1WGUT
1ch 150mA CMOS LDO Regulator

ROHM's LDO regulators for portable devices have original CMOS processes are utilized for low consumption and high precision. Standard high current CMOS LDO regulators are offered featuring low saturation, ±1% output voltage accuracy, and a maximum output current of 150mA. Original technology is utilized for 2mV load regulation and an input/output voltage difference of only 100mV. In addition, multiple protection circuits, built into an ultra-compact package (VCSP60N1: 1.0mm×1.04mm), ensure a greater degree of reliability.

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Product Detail

 
Part Number | BH29RB1WGUT-E2
Status | Active
Package | VCSP60N1
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Breakdown Voltage(Max.)[V]

6.5

ch

1

Vin(Min.)[V]

2.5

Vin(Max.)[V]

5.5

Vout (Typ.) [V]

2.9

Vout Precision

±1.0

Iout(Max.)[A]

0.15

Circuit Current[mA]

0.034

Output Short Current[mA]

40

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]

0.1(Io=0.1A)

Ripple Rejection [dB]

63.0

Load Regulation[mV]

2(Io=1 to 100mA)

Input Capacitor[µF]

1.0

Output Capacitor[µF]

1.0

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Features:

・High accuracy output voltage : ±1%
・Low dropout voltage : 100mV (when current is 100mA)
・Stable with small ceramic output capacitors
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Design Resources

 

Documents

Application Note

  • 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

  • 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)