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PT7742A

更新时间： 2024-11-01 20:08:31
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
4页 90K
描述
1-OUTPUT DC-DC BOOSTER MODULE, SIP-27

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PT7742A 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：27Reach 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

PT7742A 数据手册

 浏览型号PT7742A的Datasheet PDF文件第2页浏览型号PT7742A的Datasheet PDF文件第3页浏览型号PT7742A的Datasheet PDF文件第4页 
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  
Pin Function  
14 GND  
15 GND  
16 GND  
17 GND  
18 GND  
19 GND  
20 Vout  
(For dimensions and PC Board layout, see  
Package Styles 800 and 810.)  
1
2
3
4
5
6
7
8
9
Do not connect  
Do not connect  
Do not connect  
Do not connect  
Do not connect  
Do not connect  
Vin  
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  
N
A
C
Vin  
21 Vout  
• Synchronized with PT7708  
• 27-pin SIP Package  
• Connect up to 2 in Parallel for  
60 Amps  
Horizontal Through-Hole  
Vin  
22 Vout  
Horizontal Surface Mount  
10 Vin  
23 Vout  
11 Vin  
24 Vout  
12 Do not connect  
13 GND  
25 Vout  
26 Do not connect  
27 Master Sync In  
Standard Application  
PROGRAMMING PINS  
REMOTE SENSE (+)  
VID0  
VID1  
VID2  
VID3  
4
VID3  
3
-
2
VID0  
1
26  
SNS(+)  
VOUT  
L1  
7-11  
20-25  
Vo  
Vin  
VIN  
PT7708  
1 H  
Synch  
Out  
STBY  
5
GND  
SNS(-)  
+
+
LOAD  
27  
13-19 12  
CIN  
COUT  
GND  
GND  
STBY*  
REMOTE SENSE  
( )  
27  
Synch  
In  
L1  
7-11  
20-25  
Vo  
Vin  
PT7742  
1 H  
GND  
+
+
13-19  
CIN  
COUT  
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  
1234

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