PT5546A

更新时间： 2024-09-30 22:44:19

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关
页数	文件大小	规格书
8页	195K
描述
12-W 5-V Input Step-Up (Boost) Integrated Switching Regulator

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PT5546A 数据手册

PT5540 Series

12-W 5-V Input Step-Up (Boost)

Integrated Switching Regulator

SLTS175 FEBRUARY 2003

Features

• Input Voltage: 5V

• 84% Efficiency

• Small Footprint: 0.94in × 0.35in

Vertical package)

(

• Industrial Temperature Range:

–40°C to +85°C

• Under-Voltage Lockout

• Soft Start

• Solderable Copper Case

• Surface Mountable

• IPC Lead Free 2

Description

Ordering Information

PT5541r = +12Volts

PT5542r = +15 Volts

PT5544r = + 8 Volts

PT5545r = + 9 Volts

PT5546r = +10 Volts

PT5548r = +12.6 Volts

Pin-Out Information

Pin Function

The PT5540 Excalibur™ power modules

are a series of integrated switching regulators

(ISRs) that provide a boost-voltage function.

They are designed for use with +5V bus

systems that require an additional higher

voltage rail.

Vin

2GND

V_o

The modules are rated 12W and produce

a fixed output voltage over the full industrial

temperature range of -40°C to +85°C. The

series includes the common output voltages,

+12V and +15V. Applications include PCI

cards, audio circuits, and battery operated

instruments.

The PT5540 series is packaged in a 3-pin

thermally efficient copper case. The case is

solderable, has a small footprint, and can

accommodate both through-hole and surface

mount pin configurations.

PT Series Suffix

(PT1234x)

Case/Pin

Order

Package

Configuration

Suffix

Code

Vertical

Horizontal

SMD

(EFN)

(EFP)

(EFQ)

(Reference the applicable package code draw-

ing for the dimensions and PC board layout)

The PT5540 series is offered as a next

generation replacement to the popular PT5040

series. The PT5540 has a lower operating

temperature range and improved start-up

characteristics.

Standard Application

+V_IN

+V_O

PT5540

C_IN

C_OUT

100µF

COM

C_IN= Required 100µF electrolytic

C_OUT= Required 100µF electrolytic

(not to exceed 560µF)

For technical support and more information, see inside back cover or visit www.ti.com

12 3 4 5 6 7 8

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