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TFT-LCD 디스플레이용 강압 스위칭 레귤레이터 - BD83850GWL

BD83850GWL은 소형 TFT-LCD 디스플레이용 승압 스위칭 레귤레이터 / 차지펌프 인버터입니다. 본 IC는 입력전압 범위가 넓고 (2.5V~4.5V), 소형 패키지를 채용하여 포터블 디바이스 용도에 적합합니다.

* 본 제품은 STANDARD GRADE 제품입니다. 이 제품은 차재 기기의 사용을 권장하지 않습니다.
형명
상태
패키지
포장 수량
최소 포장 단위
포장 사양
RoHS
BD83850GWL-E2 공급중 UCSP50L1C 3000 3000 Taping Yes
 
사양 :
Grade Standard
ch 2
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Boost / Inverting
Synchronous / Nonsynchronous Nonsynchronous
Vin1(Min.)[V] 2.5
Vin1(Max.)[V] 4.5
Vout1(Min.)[V] 4.9
Vout1(Max.)[V] 5.1
Iout1(Max.)[A] 0.05
SW frequency(Max.)[MHz] 1.0
EN No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
특징 :
    • Wide input voltage range of 2.5V to 4.5V
    • High frequency operation
    • Output Discharge Independent ON/OFF signal(STBYP, STBYN)
    • Circuit protection
 
 
관련 상품
관련 신제품 / 갱신 제품파워 매니지먼트
형명 제품 이름 패키지 Datasheet 유통 재고
BD8306MUV 1.8-5.5V 1A 1ch Buck-Boost converter VQFN016V3030   구입
New Products:
 
 
기술 정보
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.

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.

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.

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.

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.

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.

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.

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.

Considerations for Power Inductors Used for Buck Converters

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