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4.2-18V 3A 1ch Synchronous Buck converter - BD9329AEFJ

BD9329AEFJ는 저 ON 저항 파워 MOSFET를 1chip에 내장한 동기정류 강압 DC/DC 컨버터입니다. 입력전압 범위가 넓고, 약 3A의 전류를 연속으로 출력할 수 있습니다. 적은 외장 부품수로 구성이 가능하여 비용 절감에도 효과적입니다. 전류 모드 제어 DC/DC 컨버터이므로 고속 응답성을 실현하고 위상보상도 간단합니다..
ROHM recommends BD9C301FJ for new design.
Please refer to Buck DC/DC Converter IC Replacement Guide for more information.

* 본 제품은 STANDARD GRADE 제품입니다. 이 제품은 차재 기기의 사용을 권장하지 않습니다.
형명
상태
패키지
포장 수량
최소 포장 단위
포장 사양
RoHS
BD9329AEFJ-E2 - HTSOP-J8 2500 2500 Taping Yes
 
사양 :
Grade Standard
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 4.2
Vin1(Max.)[V] 18.0
Vout1(Min.)[V] 0.9
Vout1(Max.)[V] 12.6
Iout1(Max.)[A] 3.0
SW frequency(Max.)[MHz] 0.38
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
특징 :
  • ・입력전압 범위 4.2V~18.0V
    ・3A 출력전류
    ・Hi 0.15Ω / Low 0.13Ω MOSFET ON 저항
    ・Low ESR 세라믹 콘덴서 대응
    ・낮은 스탠바이 전류
    ・동작 주파수 380kHz
    ・피드백 전압 0.9V±1.5% (Ta=25℃), 0.9V±2% (Ta=-25℃~85℃)
    ・보호회로
            저전압 오동작 방지 회로
            온도 보호회로
            과전류 보호회로
    ・HTSOP-J8 패키지 (이면 메탈 패키지)
 
 
관련 상품
관련 신제품 / 갱신 제품파워 매니지먼트
형명 제품 이름 패키지 Datasheet 유통 재고
BD9S300MUF-C 2.7V to 5.5V Input, 3A Integrated MOSFET Single Synchronous Buck DC/DC Converter For Automotive VQFN16FV3030   문의
BD9E104FJ 7.0 V to 26.0 V Input, 1 A Integrated MOSFET Single Synchronous Buck DC/DC Converter SOP-J8   문의
BD9V101MUF-LB 16V to 60V, 1A 1ch 2.1MHz Synchronous Buck Converter Integrated FET VQFN24FV4040   구입
BD70522GUL Nano Energy™ - Ultra Low Iq Buck Converter For Low Power Applications VCSP50L1C   구입
BD9E103FJ 7V to 28V Input, 1.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter SOP-J8   구입
BD9S400MUF-C 2.7V to 5.5V Input, 4A Integrated MOSFET Single Synchronous Buck DC/DC Converter For Automotive VQFN16FV3030   구입
New Products:
 
 
기술 정보
Reference Circuits and Bomlist

Reference Circuits and Bomlist

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.