최종 판매

BD9851EFV

4-18V 2ch Boost / Inverting / Buck converter(controller)

Data Sheet

BD9851EFV

최종 판매 BD9851EFV
4-18V 2ch Boost / Inverting / Buck converter(controller)

제조 중지를 신청중인 제품입니다.

Data Sheet

Product Detail

형명 | BD9851EFV-E2

상태 | 최종 판매

패키지 | HTSSOP-B20

포장 사양 | Taping

포장 수량 | 2500

최소 포장 단위 | 2500

RoHS | Yes

사양 :

Integrated FET / Controller

Controller

Topology

Buck / Boost / Inverting

Synchronous / Nonsynchronous

Non-synchronous

Vin1(Min.)[V]

Vin1(Max.)[V]

Iout1(Max.)[A]

0.2

Vin2(Min.)[V]

Vin2(Max.)[V]

SW frequency setting (Max.)[MHz]

Light Load mode

Yes

PGOOD

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

Package Size [mm]

6.5x6.4 (t=1.0)

특징 :

・DC/DC 컨버터용 FET 드라이버 2ch 내장
・구동 FET (Pch / Nch) 전환 가능 (ch１)
・타이머 latch 식 단락 보호회로 (SCP) 내장
・저전압 입력 시 오동작 방지 회로 (UVLO) 내장
・과열 보호회로 (TSD) 내장
・ON / OFF 제어 가능 (스탠바이 시 회로전류 ５μA 미만)
・HTSSOP-B20 패키지

Design Resources

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Documents

Type	Title	Last Updated
Data Sheet	BD9851EFV Data Sheet	2012/08/20
Reference Design	BD9851EFV Reference Circuits and Bomlist	2017/01/27

Title	Description
No data available in table

Technical Articles

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Type	Title	Last Updated
Technical Article	Overview of ROHM's Simulation Models(for ICs and Discrete Semiconductors)	2025/04/16
White Paper	Three Steps for Successful Design of DC-DC Converters	2024/12/06
Schematic Design & Verification	Step-down DC-DC converter PCB layout EMC Design guide	2024/11/13
White Paper	Five Steps for Successful Thermal Design of IC	2024/09/13
Thermal Design	Solder Joint Rate and Thermal Resistance of Exposed Pad	2024/07/05
Technical Article	Precautions for PCB Layout Regarding Common Mode Filters	2024/04/10
Thermal Design	열저항, 열특성 파라미터에 대하여	2024/03/19
Thermal Design	How to Use the Two-Resistor Model	2023/08/08
Schematic Design & Verification	PCB Layout Essential Check sheet for Switching Regulator	2023/08/08
Thermal Design	Judgment Criteria of Thermal Evaluation	2023/03/08
Thermal Design	How to Use the Thermal Resistance and Thermal Characteristics Parameters	2023/02/24
Thermal Design	θ_JA and Ψ_JT	2023/02/13
Thermal Design	θ_JC and Ψ_JT	2023/01/20
Schematic Design & Verification	Efficiency of Buck Converter	2022/12/13
Thermal Design	PCB Layout Thermal Design Guide	2022/07/12
Thermal Design	Heat Dissipation Effect of Thermal Via in Exposed Pad Type Package	2022/07/08
Thermal Design	Design Guide and Example of Stencil for Exposed Pad	2021/11/19
Schematic Design & Verification	Types of Capacitors Used for Output Smoothing of Switching Regulators and their Precautions	2021/11/05
Thermal Design	Basics of Thermal Resistance and Heat Dissipation	2021/08/18
Thermal Design	What Is Thermal Design	2021/06/24
Thermal Design	Method for Calculating Junction Temperature from Transient Thermal Resistance Data	2021/06/14
Schematic Design & Verification	Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter	2021/02/12
Schematic Design & Verification	스위칭 회로의 전력 손실 계산	2020/11/16
Thermal Design	열전대를 통한 패키지 이면 온도 측정 시의 주의점	2020/11/04
White Paper	SiC 파워 디바이스와 구동 IC의 일괄 검증이 가능한 업계 최첨단 Web 시뮬레이션 툴 「ROHM Solution Simulator」	2020/11/04
Schematic Design & Verification	Considering Input Filter to Reduce Conducted Emissions by DCDC Converter	2020/10/22
Schematic Design & Verification	바이패스 콘덴서의 임피던스 특성	2020/09/29
Schematic Design & Verification	전류모드 강압컨버터의 위상보상 설계	2020/05/22
Thermal Design	Two-Resistor Model for Thermal Simulation	2020/04/09
Schematic Design & Verification	Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter	2019/10/10
Schematic Design & Verification	Power Supply Sequence Circuit with General Purpose Power Supply IC	2019/08/26
Schematic Design & Verification	Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)	2017/06/21
Schematic Design & Verification	Snubber Circuit for Buck Converter IC	2016/11/04
Schematic Design & Verification	Considerations for Power Inductors Used for Buck Converters	2016/01/18
Schematic Design & Verification	Buck Converter PCB Layout 기법	2015/06/29
Schematic Design & Verification	The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit	2013/04/22
Schematic Design & Verification	Resistor Value Table to set Output Voltage of Buck Converter IC	2012/11/20
Schematic Design & Verification	Capacitor Calculation for Buck converter IC	2012/06/01
Schematic Design & Verification	Inductor Calculation for Buck converter IC	2012/06/01

Type	Title	Last Updated
No data available in table

Tools

Type	Title	Last Updated
2D/3D/CAD	HTSSOP-B20 Footprint / Symbol	2020/05/12
2D/3D/CAD	HTSSOP-B20 3D STEP Data	2020/05/07

Packaging & Quality

Search:

Type	Title	Last Updated
Package Information	HTSSOP-B20 Package Information	2023/09/27
Package Information	Anti-Whisker formation	2016/10/11
Environmental Data	Compliance with the ELV directive	2016/10/11
Environmental Data	UL94 Flame Classifications of Mold Compound	2016/10/11
Manufacturing Data	Factory Information	2016/09/30

BD9851EFV

최종 판매 BD9851EFV
4-18V 2ch Boost / Inverting / Buck converter(controller)

Product Detail

사양 :

특징 :

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