PT7742

更新时间： 2024-01-06 03:12:16

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
4页	92K
描述
20 Amp Current Booster for PT7708 Integrated Switching Regulator

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技术参数
数据手册

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PT7742 技术参数

是否无铅：	含铅	生命周期：	Obsolete
零件包装代码：	MODULE	包装说明：	,
针数：	27	Reach Compliance Code：	compliant
ECCN代码：	EAR99	风险等级：	5.84
模拟集成电路 - 其他类型：	DC-DC BOOSTER MODULE	最大输入电压：	3.6 V
最小输入电压：	3.1 V	标称输入电压：	3.3 V
JESD-30 代码：	R-XSMA-T27	功能数量：	1
输出次数：	1	端子数量：	27
封装主体材料：	UNSPECIFIED	封装形状：	RECTANGULAR
封装形式：	MICROELECTRONIC ASSEMBLY	认证状态：	Not Qualified
表面贴装：	NO	端子形式：	THROUGH-HOLE
端子位置：	SINGLE	微调/可调输出：	NO
Base Number Matches：	1

PT7742 数据手册

PT7742—3.3V

20 Amp “Current Booster” for PT7708

Integrated Switching Regulator

SLTS085

(Revised 6/30/2000)

Description

The PT7742 is a 20 Amp “Current

Booster” for the PT7708 housed in the

same 27-pin SIP package.

Multiple PT7742 boosters will

operate in parallel with one PT7708

product, boosting output current in

increments of 20A. Combinations of a

PT7708 regulator and PT7742 current

boosters can supply power for virtually

any multiple mega-processor applica-

tion.

parallel output stage that is driven di-

rectly by the regulator. This allows

the system to run in perfect synchron-

ization to provide a low noise solution.

The PT7742 only operates in com-

bination with a PT7708 series regulator,

and is not a stand-alone product. Please

refer to the PT7708 data sheet for the

performance specifications.

The booster uses the same 27-pin

case and has the same package options

as its companion regulator.

A PT7742 current booster adds a

Pin-Out Information

Ordering Information

PT7742J

Pin Function

14 GND

15 GND

16 GND

17 GND

18 GND

19 GND

20 V_out

(For dimensions and PC Board layout, see

Package Styles 800 and 810.)

Do not connect

V_in

Features

• 20A Current Boost

• Tracks Vo of a PT7708

• High Efficiency

• Input Voltage Range:

3.1V to 3.6V

PT Series Suffix

(PT1234X)

Case/Pin

Configuration

Vertical Through-Hole

V_in

21 V_out

• Synchronized with PT7708

• 27-pin SIP Package

• Connect up to 2 in Parallel for

60 Amps

Horizontal Through-Hole

V_in

22 V_out

Horizontal Surface Mount

10 V_in

23 V_out

11 V_in

24 V_out

12 Do not connect

13 GND

25 V_out

26 Do not connect

27 Master Sync In

Standard Application

PROGRAMMING PINS

REMOTE SENSE (+)

VID0

VID1

VID2

VID3

VID0

SNS(+)

V_OUT

7-11

20-25

Vin

V_IN

PT7708

1 H

Synch

Out

STBY

GND

SNS(-)

LOAD

13-19 12

C_IN

C_OUT

GND

STBY*

REMOTE SENSE

( )

Synch

7-11

20-25

Vin

PT7742

1 H

GND

13-19

C_IN

C_OUT

External Capacitors: The PT7742 requires a minimum ouput capacitance of 330µF for proper operation. The PT7742 also requires an input capacitance of

1500µF, which must be rated for a minimum of 1.4Arms of ripple current. For transient or dynamic load applications additional capacitance may be required.

For more information refer to the application note regarding capacitor selection for this product.

Input Filter: An input filter inductor is optional for most applications. The inductor must be sized to handle 20ADC with a typical value of 1µH.

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

12 3 4

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与PT7742相关器件

型号	品牌	获取价格	描述	数据表
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
PT7743	TI	获取价格	20-A Low-Voltage Programmable Integrated Switching Regulator
PT7743A	TI	获取价格	20-A Low-Voltage Programmable Integrated Switching Regulator
PT7743C	TI	获取价格	20-A Low-Voltage Programmable Integrated Switching Regulator
PT7743N	TI	获取价格	20-A Low-Voltage Programmable Integrated Switching Regulator

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