LTC3530EMS#TRPBF

更新时间： 2024-09-23 13:09:51

品牌	Logo	应用领域
凌特 - Linear		转换器
页数	文件大小	规格书
16页	298K
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LTC3530EMS#TRPBF 数据手册

LTC3530

Wide Input Voltage

Synchronous Buck-Boost

DC/DC Converter

DESCRIPTION

FEATURES

The LTC^®3530 is a wide V range, highly efﬁcient, ﬁxed

Regulated Output with Input Voltages Above, Below

or Equal to the Output

frequency, buck-boost DC/DC converter that operates

from input voltages above, below or equal to the output

voltage. The topology incorporated in the IC provides a

continuoustransferfunctionthroughalloperatingmodes,

making the product ideal for single lithium-ion, two-cell

alkaline or NiMH applications where the output voltage is

within the battery voltage range.

1.8V to 5.5V Input and 1.8V to 5.25V Output Range

250mA Continuous Output Current from 1.8V V

600mA Continuous/1A Peak Output Current from

Li-Ion

Single Inductor

Synchronous Rectiﬁcation: Up to 96% Efﬁciency

Programmable Automatic Burst Mode^®Operation

Output Disconnect in Shutdown

Pin Compatible with the LTC3440

Programmable Frequency from 300kHz to 2MHz

<1μA Shutdown Current

The LTC3530 is pin compatible with the LTC3440 buck-

boostDC/DCconverterbutaddsprogrammableautomatic

Burst Mode operation and extends the V /V

range to

IN OUT

1.8V. Switching frequencies up to 2MHz are programmed

with an external resistor. Automatic Burst Mode operation

allows the user to program the load current threshold for

Burst Mode operation using a single resistor from the

BURST pin to GND.

Small Thermally Enhanced 10-Lead (3mm × 3mm)

DFN and 10-Lead MS Packages

APPLICATIONS

Other features include 1μA shutdown, short circuit pro-

tection, programmable soft-start control, current limit

and thermal shutdown. The LTC3530 is available in a

thermally enhanced 10-lead (3mm × 3mm) DFN or MSOP

package.

MP3 Players

Handheld Instruments

Digital Cameras

Smart Phones

Portable GPS Units

Miniature Hard Disk Drive Power

L, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners. Patents Pending.

TYPICAL APPLICATION

Efﬁciency

4.7μH

100

= 4.2V

= 3.6V

Burst Mode V = 3.6V

SW1

SW2

OUT

3.3V AT

250mA

OUT

33pF

15k

1.8V TO 5.5V

OFF ON

LTC3530

SHDN/SS

22μF

10k

= 2.0V

576k

10μF

560pF

0.01μF

BURST

GND

33.2k

100k

0.1

100

1000

LOAD CURRENT (mA)

3530 TA01a

3350 TA01b

3530fb

12 3 4 5 6 7...16

中文翻译

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与LTC3530EMS#TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC3530EMS-PBF	Linear	获取价格	Wide Input Voltage Synchronous Buck-Boost DC/DC Converter
LTC3530EMS-TRPBF	Linear	获取价格	Wide Input Voltage Synchronous Buck-Boost DC/DC Converter
LTC3531	Linear Systems	获取价格	High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller
LTC3531	Linear	获取价格	200mA Buck-Boost Synchronous DC/DC Converters
LTC3531	ADI	获取价格	200mA 降压-升压型同步 DC/DC 转换器
LTC3531_15	Linear	获取价格	200mA Buck-Boost Synchronous DC/DC Converters
LTC3531-3	Linear Systems	获取价格	High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller
LTC3531-3	Linear	获取价格	200mA Buck-Boost Synchronous DC/DC Converters
LTC3531-3.3	Linear	获取价格	200mA Buck-Boost Synchronous DC/DC Converters
LTC3531-3.3	Linear Systems	获取价格	High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller

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