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3.5-14V 1.2A 1ch Buck converter - BD8313HFN

1.2A / 1.0MHz 동기정류 강압형 스위칭 레귤레이터 BD8313HFN 은 건전지 4개, LI²Cell, Li3cell 등의 배터리, 5V / 12V 고정 전원에서 1.2V / 1.8V / 3.3V / 5V 등의 강압출력을 만들 수 있습니다. 본 IC 는 1.0MHz 의 고주파 동작에 의한 외장 코일 / 콘덴서의 소형화, 15V 내압 동기정류 SW 내장, 자유도가 높은 위상 보상 내장 시스템으로 넓은 범위의 외장 정수에서 소형의 전원을 간단하게 구성할 수 있습니다.

* 본 제품은 STANDARD GRADE 제품입니다. 이 제품은 차재 기기의 사용을 권장하지 않습니다.
형명
상태
패키지
포장 수량
최소 포장 단위
포장 사양
RoHS
BD8313HFN-TR 공급중 HSON8 3000 3000 Taping Yes
 
사양 :
Grade Standard
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 3.5
Vin1(Max.)[V] 14.0
Vout1(Min.)[V] 1.2
Vout1(Max.)[V] 12.0
Iout1(Max.)[A] 1.0
SW frequency(Max.)[MHz] 1.0
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
특징 :
  • ・입출력 전원범위 3.5 to 14V
    ・1.0A 정격 동기정류 FET 2개 내장
    ・발진 주파수 1.0MHz 동작
    ・에러 앰프 입출력 간의 위상 보상 소자 내장
    ・소프트 스타트 회로 / 타이머 latch식 쇼트 보호회로 내장
    ・HSON8 패키지 (2.9mm×3mm, 0.65mm pitch)
 
 
관련 상품
관련 신제품 / 갱신 제품파워 매니지먼트
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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.