Datasheet > BD4233NUX

BD4233NUX

更新时间： 2024-11-13 11:16:11

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
29页	1834K
描述
BD4233NUX is Strobe Charge Control IC, ideal for Digital still cameras, Mobile Phone. The strobe charge IC is a self-oscillating switching regulator that uses a transformer. It provides highly efficient applications for charging capacitors in sets with various strobes.

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数据手册

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BD4233NUX 数据手册

Power LSI series for Digital Camera and Digital Video Camera

Strobe Charge Control IC

BD4233NUX

●Outline

The strobe charge IC is a self-oscillating switching

●Key Specifications

・SW pin input range:

48V

0.5A±20%

1.0V±1.1%

・SW pin peak current:

・Full charge detection voltage DC:

・Full charge detection voltage AC 200nsec:1.0V-1.1%~1.35%

・Full charge detection voltage AC 100nsec: 1.0V-1.1%~1.6%

regulator that uses a transformer. It provides highly

efficient applications for charging capacitors in sets with

various strobes.

・Vth(START,IGBT_AN)

0.6V~1.5V

●Features

1) Built-in lowVth48V DMOS

2) Adjustable transformer primary-side peak current

by RADJ pin

3) Charging control switching with the START pin

4) Includes high precision full charge voltage

detection circuit and output pin

5) Various built-in protective circuits (TSD, UVLO,

SDP)

6) Built-in IGBT driver

●Package

3.0mm×2.0mm×0.6mm VSON010X3020

●Use

Digital still cameras、Mobile Phone

●Recommended Application Circuit

RFU02VS8S（ROHM)

Battery

Cmain

80μF

300V

VCC

22μF

4.7μF

VCC

Controller

VCC

STB

OSC

TSD

UVLO

VREF

UVLO

OSC

TSD

IGBT

Xenon

START

ENABLE

START

S Q

VCC

FULL

SDP

LOGIC

STB

UVLO

TSD

DRIVER

PGND

MAX ON

OFF

OSC

S Q

CLK

MAX OFF

OFF

TSD

UVLO

SDP

PGND

SDP

R_FB1=470kΩ

RADJ

I/V

47kΩ

FULL

(

)

R_FB2=1.62kΩ

FULL

GND

OFF

VCC

STB

68Ω

IGBT_OUT

IGBT_IN

IGBT

10kΩ

IGBT

CY25BAH-8F

ルネサスꢀテクノロジ

Fig.1 Application circuit

○Products：Silicon monolithic IC ○This product is not designed for normal operation with in a radioactive

Status of this document

The Japanese version of this document is the official specification. Please use the translation version of this document as a reference to expedite understanding of the official version.

If these are any uncertainty in translation version of this document, official version takes priority.

www.rohm.com

TSZ02201-0Q2Q0J400010-1-2

11.Sep.2013 Rev.003

TSZ22111・14・001

12 3 4 5 6 7...29

中文翻译

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