PT7741

更新时间： 2024-11-01 12:22:31

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
3页	158K
描述
32 Amp âCurrent Boosterâ for PT7775/PT7779 Regulators

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PT7741 数据手册

PT7741—5V

32 Amp “Current Booster” for

PT7775/PT7779 Regulators

SLTS118

(Revised 8/31/2000)

Description

The PT7741 is a high-output 32

Amp “Current Booster” designed to

The booster adds a parallel output

stage that is driven directly by the

regulator. Both operate in perfect

sychronization for a low noise solution.

The PT7741 only operates with

the PT7775 and PT7775 regulators.

It is not a stand-alone product. Please

refer to the appropriate data sheet for

the performance specifications. The

current booster has the same package

options as the companion regulators.

operate with the PT7775 and

PT7779 regulators. Up to two

PT7741 boosters will operate in

parallel with one regulator, boosting

output current in increments of 32A.

Combinations of one regulator and

PT7741 current boosters can supply

enough power for virtually any mul-

tiple mega-processor application.

Ordering Information

Pin-Out Information

PT7741❏

Pin Function

14 GND

15 GND

16 GND

17 GND

18 GND

19 GND

20 V_out

Pin Function

Features

(For dimensions and PC Board layout,

Do not connect

• 32A Current Boost

• Tracks Vo of either a

PT7775 or PT7779

• High Efficiency

• Input Voltage Range:

4.5V to 5.5V

• Synchronized with Regulator

• 27-pin SIP Package

• Run up to 2 in Parallel (96A)

see Package Styles 1020 and 1030.)

Do not connect

V_in

PT Series Suffix

(PT1234X)

Case/Pin

Configuration

21 V_out

V_in

22 V_out

V_in

Vertical Through-Hole

Horizontal Through-Hole

Horizontal Surface Mount

10 V_in

23 V_out

24 V_out

11 V_in

25 V_out

12 Do not connect

13 GND

26 Do not connect

27 Master Sync In

Standard Application

P R O G R A M M I N G P I N S

VID0

VID1

VID2

VID3

VID4

REMOTE SENSE (+)

VID4

VID0

SNS(+)

V_OUT

L 1

7-11 _Vin

20-25

V_IN

PT7775/9

1 µH

Synch

Out

STBY

GND

SNS(-)

LOAD

13-19

C_IN

C_OUT

G N D

STBY*

REMOTE SENSE (–)

Synch

L 1

7-11 _Vin

20-25

PT7741

1 µH

GND

13-19

C_IN

C_OUT

External Capacitors: When used with a PT7779, the PT7741 requires a minimum ouput capacitance of 330µF. The maximum allowable output capacitance is

30,000µF. The PT7741 also requires a minimum input capacitance of 2400µF, which must be rated for a minimum of 2.0Arms of ripple current. For transient

or dynamic load applications, additional capacitance may be required. For further information, see the accompanying application note on capacitor selection for this

product.

Input Filter: An input filter inductor is optional for most applications. The input inductor must be sized to handle 32ADC with a typical value of 1µH.

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

12 3

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与PT7741相关器件

型号	品牌	获取价格	描述	数据表
PT7741A	TI	获取价格	32 Amp âCurrent Boosterâ for PT7775/PT777
PT7741C	ETC	获取价格	Analog IC
PT7741N	TI	获取价格	32 Amp âCurrent Boosterâ for PT7775/PT777
PT7742	TI	获取价格	20 Amp Current Booster for PT7708 Integrated Switching Regulator
PT7742-3.3V	TI	获取价格	Current Booster
PT7742800	TI	获取价格	20 Amp Current Booster for PT7708 Integrated Switching Regulator
PT7742810	TI	获取价格	20 Amp Current Booster for PT7708 Integrated Switching Regulator
PT7742A	TI	获取价格	1-OUTPUT DC-DC BOOSTER MODULE, SIP-27
PT7742C	TI	获取价格	1-OUTPUT DC-DC BOOSTER MODULE, SIP-27
PT7742N	TI	获取价格	1-OUTPUT DC-DC BOOSTER MODULE, SIP-27

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