Datasheet > JMK325BJ226MM

JMK325BJ226MM

更新时间： 2024-11-05 23:15:07

品牌	Logo	应用领域
美高森美 - MICROSEMI		转换器
页数	文件大小	规格书
8页	198K
描述
1.0MHz Inverting DC/DC Converter

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中文翻译

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JMK325BJ226MM 数据手册

LX1734

1.0MHz Inverting DC/DC Converter

KEY FEATURES

DESCRIPTION

Fixed Frequency 1.0MHz

Operation

Very Low Noise: 1mV_P-POutput

Ripple Possible With Cuk

Topology

Stable Operation With Ceramic or

Tantalum Capacitors

-5V at 250mA from 5V Input

Uses Small Surface Mount L/C

Components

Wide Input Range: 4.2V to 8V

Low VCESAT Switch: 600mV at

600mA

6-Lead 3x3mm JEDEC MLPM

Package

The LX1734 is an inverting

DC/DC current-mode controller. With clean output free from low frequency

750mA integrated switch, the noise typically present with charge pump

Fixed frequency operation ensures a

LX1734 can generate large output solutions. The low impedance output

currents in a small footprint. The remains within 1% of nominal during

LX1734 minimizes external com- large load steps. The 18V switch allows

ponent size and cost by implementing high voltage outputs to be generated.

high switching frequency of

1.0MHz, while generating -5V at saving 6-lead 3x3 Jedec MO-229

250mA. package, which has the same footprint

When configured in the dual and lead spacing as the SOT-23A.

inductor inverting topology very low complete inverter function utilizes less

output voltage ripple approaching than 0.3²inches of PCB space.

1mV_P-Pcan be achieved when used in

conjunction with ceramic output

capacitors. The dual inductor can be

The LX1734 is available in the space

Functionally Compatible with

LT1611 or LT1931

implemented as a coupled or separate

cores.

APPLICATIONS/BENEFITS

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

Disk Drive MR Head Bias

Digital Camera CCD Bias

LCD Bias

GaAs FET Bias

Local -5V or -12V Supplies

PRODUCT HIGHLIGHT

L1A

22µH

L1B

22µH

1µF

V_IN= 5V

29.4k

V_IN

V_OUT= -5V

@ 150mA

LX1734

NFB

10µF

GND

10k

22µF

1000pF

Note: L1A and L1B are shown as coupled. Individual inductors can also be used.

C1, C2, C3 are ceramic capacitors

Figure 1

PACKAGE ORDER INFO

Plastic MLPL

6-Pin

T_A(°C)

RoHS Compliant / Pb-free

Transition DC: 0452

0 to 85

LX1734CLM

Note: Available in Tape & Reel. Append the letters “TR” to the

part number. (i.e. LX1734CLM-TR)

Rev. 3.0a, 2005-03-14

Microsemi

Microsemi Integrated Products

Page 1

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

12 3 4 5 6 7 8

中文翻译

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与JMK325BJ226MM相关器件

型号	品牌	获取价格	描述	数据表
JMK325BJ226MM-T	TAIYO YUDEN	获取价格	Capacitor, Ceramic, Chip, General Purpose, 22
JMK325BJ226MY-T	TAIYO YUDEN	获取价格	High Value Multilayer Ceramic Capacitors (High dielectric type)
JMK325BJ476KMHP	TAIYO YUDEN	获取价格	Multilayer Ceramic Capacitors (High dielectric type) for Automotive / Industrial Applicati
JMK325BJ476MM	TAIYO YUDEN	获取价格	CAP,CERAMIC,47UF,6.3VDC,20% -TOL,20% +TOL,X5R TC CODE,-15,15% TC,1210 CASE
JMK325BJ476MMHP	TAIYO YUDEN	获取价格	Capacitor, Ceramic, Chip, General Purpose, 47
JMK325BJ476MMHT	TAIYO YUDEN	获取价格	Capacitor, Ceramic, Chip, General Purpose, 47
JMK325BJ476MM-P	TAIYO YUDEN	获取价格	High Value Multilayer Ceramic Capacitors (High dielectric type)
JMK325BJ476MM-T	TAIYO YUDEN	获取价格	Capacitor, Ceramic, Chip, General Purpose, 47
JMK325BJ476MN	TAIYO YUDEN	获取价格	CAP,CERAMIC,47UF,6.3VDC,20% -TOL,20% +TOL,X5R TC CODE,-15,15% TC,1210 CASE
JMK325BJ476MN-T	TAIYO YUDEN	获取价格	High Value Multilayer Ceramic Capacitors (High dielectric type)

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