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1ch 4.5-5.5V 입력, 0.8A 동기정류 강압 DC/DC 컨버터 - BD9109FVM-LB

본 제품은 산업기기 시장용으로, 장기간 공급을 보증하는 제품입니다.
로옴의 고효율 강압 스위칭 레귤레이터 BD9109FVM-LB는 5V 이하의 전원 라인에서 3.3V 등의 저전압을 생성하는 전원입니다. 독자적인 펄스 스킵 제어 방식과 동기정류 회로로 고효율을 실현합니다. 또한, 전류 모드 제어 방식을 채용하여, 부하 급변 시의 고속 과도 응답을 실현합니다.

형명
상태
패키지
포장 수량
최소 포장 단위
포장 사양
RoHS
BD9109FVM-LBTR 공급중 MSOP8 3000 3000 Taping Yes
 
사양 :
Grade Industrial
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 4.5
Vin1(Max.)[V] 5.5
Vout1(Min.)[V] 3.3
Vout1(Max.)[V] 3.3
Iout1(Max.)[A] 0.8
SW frequency(Max.)[MHz] 1.0
Light Load mode Yes
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
특징 :
  • ・Long Life Cycle Product for Industrial Applications.
    ・Fast Transient Response with Current Mode PWM Control System.
    ・Highly Efficiency with Synchronous Rectifier (Nch/Pch FET) and SLLM™ (Simple Light Load Mode)
    ・Soft-Start Function.
    ・Thermal Protection and ULVO Functions.
    ・Short-Current Protection Circuit with Time Delay Function.
    ・Shutdown Function
 
 
단자 배치도 :
Pin Configration
 
 
관련 상품
관련 신제품 / 갱신 제품파워 매니지먼트
형명 제품 이름 패키지 Datasheet 유통 재고
BD9106FVM-LB 1ch 4.0-5.5V 입력, 0.8A 동기정류 강압 DC/DC 컨버터 MSOP8   구입
BD9102FVM 4.5-5.5V 0.8A 1ch Buck converter MSOP8   구입
BD9104FVM 4.5-5.5V 0.8A 1ch Buck converter MSOP8   구입
BD9106FVM 4.0-5.5V 0.8A 1ch Buck converter MSOP8   구입
BD9107FVM 4.5-5.5V 1.2A 1ch Buck converter MSOP8   구입
BD9109FVM 4.5-5.5V 0.8A 1ch Buck converter MSOP8   구입
New Products:
 
 
기술 정보
Capacitor Calculation for Buck converter IC

This application note explains the calculation of external capacitor value for buck converter IC circuit.

Inductor Calculation for Buck converter IC

This application note covers the steps required in choosing the inductor and to calculate the value used in buck regulator IC circuits.

Resistor Value Table to set Output Voltage of Buck Converter IC

This Application Note offers reference table to easily set resistor values for output voltage with various internal reference voltages VREF.

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit

Using unmatched MLCC may not obtain required target characteristics for power supply circuit and may cause abnormal operation. This application note explains the important points while using MLCC.

Calculation of Power Loss (Synchronous)

This application note describes how to obtain the power loss required to calculate the temperature of a semiconductor device. Temperature control is important to ensuring product reliability.

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Considerations for Power Inductors Used for Buck Converters

This application note explains the features and things to consider when shopping for power inductors.

Snubber Circuit for Buck Converter IC

In buck converter ICs, many high-frequency noises are generated at switch nodes. A snubber circuit provides one way of eliminating such harmonic noise. This application note explains how to set up the RC snubber circuits.

Efficiency of Buck Converter

This application note explains power loss factors and methods for calculating them. It also explains how the relative importance of power loss factors depends on the specifications of the switching power source.

Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)

This application note introduces a method for easily measuring the phase margin with a Frequency Response Analyzer (FRA) made by NF Corporation.