PT7747

更新时间： 2024-09-26 22:44:15

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
2页	150K
描述
15 AMP “CURRENT BOOSTER” FOR PT7750 SERIES

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中文翻译

获取价格

数据手册

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PT7747 数据手册

For assistance or to order, call (800) 531-5782

Revised 1/12/99

P T 7 7 4 7 S e r i e s

Application Notes

Mechanical Outline

Product Selector Guide

15 AMP “CURRENT BOOSTER”

FOR PT7750 SERIES

The PT7747 is a new high-perfor-

A PT7747 current booster adds a parallel

mance 15 Amp “Current Booster” for

the PT7750 Series housed in a 27-pin

SIP package. Multiple PT7747 boost-

ers will operate in parallel with the

PT7750 Series boosting output current

in increments of 15A . Combinations

of PT7750s and PT7747 current

boosters can easily supply enough

power for virtually any multiple

output stage driven by the PT7750. As such,

the system runs in perfect sychronization

providing a low noise solution.

The PT7747 only operates in combina-

tion with the PT7750 series and is not a

stand-alone product. Therefore please refer

the PT7750 series data sheet for perfor-

mance specifications. The PT7747 also has

the same mechanical dimensions and pack-

age options as the PT7750 series.

megaprocessor application.

Pin-Out Information

Pin Function

Ordering Information

PT7747❏

Pin Function

14 GND

15 GND

16 GND

17 GND

18 GND

19 GND

20 V_out

Do not connect

V_in

PT Series Suffix

(PT1234X)

Features

• 15A Current Boost

• Automatically Tracks Vout of PT7750

• High Efficiency

Case/Pin

Configuration

Vertical Through-Hole

Horizontal Through-Hole

Horizontal Surface Mount

V_in

21 V_out

• Input Voltage Range:

20V to 28V

• Synchronized with PT7750

• 27-pin SIP Package

V_in

22 V_out

V_in

23 V_out

V_in

24 V_out

(For dimensions and PC board layout,

see Package Styles 1000 and 1010.)

Do not connect

GND

25 V_out

• Run up to 4 in Parallel - 60 Amps

Do not connect

Sync In

Standard Application

PROGRAMMING PINS

VID0

VID1

VID2

VID3

VID4

REMOTE SENSE (+)

V_IN

V_OUT

7 - 11

20 - 25

PT7750

1µH

13 - 19

C_IN

C_OUT

LOAD

STBY*

GND

REMOTE SENSE (-)

= Required 560µF electrolytic

= Required 2000µF electrolytic

out

L1 = Optional 1µH input choke

7 - 11

20 - 25

PT7747

1µH

13 - 19

C_IN

C_OUT

Output Capacitors: The PT7750/PT7747 series requires a minimum output capacitance of 2000µF for proper operation. Do not use Oscon type capacitors. The maximum

allowable output capacitance is (42,000 4 Vout)µF for the PT7751, (96,000 4 Vout)µF for the PT7756, or 15,000µF, whichever is less.

Input Filter: An input inductor is optional for most applications. The input inductor must be sized to handle 9ADC with a typical value of 1µH. The input capacitance

must be rated for a minimum of 8.0 Arms of ripple current when operated at maximum output current and maximum output voltage. Contact an applications engi-

neer for input capacitor selection for applications at other output voltages and output currents.

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com

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与PT7747相关器件

型号	品牌	获取价格	描述	数据表
PT7747A	TI	获取价格	1-OUTPUT DC-DC BOOSTER MODULE
PT7747C	TI	获取价格	暂无描述
PT7747N	TI	获取价格	1-OUTPUT DC-DC BOOSTER MODULE
PT7748	TI	获取价格	17 AMP “CURRENT BOOSTER” FOR PT7720 SERIES
PT7748C	TI	获取价格	SWITCHING REGULATOR, SMA27
PT7748N	TI	获取价格	SWITCHING REGULATOR, SMA27
PT7749	TI	获取价格	18 AMP “CURRENT BOOSTER” FOR PT7700 SERIES
PT7749A	ETC	获取价格	Analog IC
PT7749C	ETC	获取价格	Analog IC
PT7749N	ETC	获取价格	Analog IC

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