PT6445N

更新时间： 2024-01-11 20:23:41

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德州仪器 - TI		稳压器开关
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PT6445N 数据手册

PT6440 Series

6-A 5-V/3.3-V Input Adjustable

Integrated Switching Regulator

SLTS133B

Revised (1/30/2002)

Features

• 6A Output Current

• Input Voltage Range:

3.1 V to 5.5 V

• 90% Efficiency

• Adjustable Output Voltage

• Standby Function

• Short Circuit Protection

• Small Footprint (0.61 in²)

• Solderable Copper Case

• 8.8 10 Hours MTBF

Description

Ordering Information

Pin-Out Information

PT 6441r = 3.3 Volts

† PT 6442r = 2.5 Volts

† PT 6443r = 2.0 Volts

† PT 6444r = 1.8 Volts

† PT 6445r = 1.5 Volts

† PT 6446r = 1.2 Volts

† PT 6447r = 1.0 Volts

The PT6440 Excalibur™ power modules

are a series of high performance Integrated

Switching Regulators (ISRs), housed in a

thermally efficient solderable copper case.

These modules operate from input voltages

as low as 3.1V to produce a high-output low-

voltage power source; ideal for powering the

industry’s latest DSP and microprocessors.

The series includes standard output bus

voltages as low as 1.0VDC.

The innovative copper case construction

provides superior thermal performance in a

small footprint. Both through-hole and

surface mount pin configurations are avail-

able. The PT6440 series operating features

include external output voltage adjustment,

an On/Off inhibit, and short-circuit protection.

A 100µF input, and 330µF output capacitor

are required for proper operation.

Pin Function

Inhibit *

V_in

GND

V_out

† 3.3V Input Bus Capable

PT Series Suffix

(PT1234x)

10 V_out

11 V_out

12 V_outAdj *

Case/Pin

Configuration

O rder

Suffix

Package

Code *

Vertical

Horizontal

SMD

(EPH)

(EPJ)

(EPK)

For further information, see

application notes.

* Previously known as package styles 1540/50.

(Reference the applicable package code drawing

for the dimensions and PC board layout)

Standard Application

V_O(ADJ)

+V_IN

+V_OUT

2,3,4

9,10,11

PT6440

5,6,7,8

C_IN

C_OUT

INH

GND

C_in= Required 100µF electrolytic

C_out= Required 330µF electrolytic

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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PT6447	TI	6-A 5-V/3.3-V Input Adjustable Integrated Switching Regulator	获取价格