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PT6943N PDF预览

PT6943N

更新时间: 2024-11-11 23:29:39
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
9页 192K
描述
SMPS Controller

PT6943N 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:MODULE
包装说明:, SIP27针数:27
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
最大输入电压:5.5 V最小输入电压:4.5 V
标称输入电压:5 VJESD-30 代码:R-XSMA-T27
功能数量:1端子数量:27
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:6 A封装主体材料:UNSPECIFIED
封装等效代码:SIP27封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:NO切换器配置:SINGLE
最大切换频率:400 kHz技术:HYBRID
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子位置:SINGLE处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

PT6943N 数据手册

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PT6940 Series  
6-A Dual Output 5-V/3.3-V Input  
Integrated Switching Regulator  
SLTS155B  
Revised (4/8/2002)  
Features  
Remote Sensing (Vo1 & Vo2)  
Soft-Start  
High Efficiency Dual Output  
(See Ordering Information)  
Short-Circuit Protection  
(coordinated shutdown)  
Ideal Power Source for DSPs  
5V/3.3V Input  
27-pin Space-Saving Package  
Solderable Copper Case  
6A Rated (Both Outputs)  
Internal Power-up Sequencing  
Single On/Off Control  
Independent Adjust/Trim  
Pin-Out Information  
Ordering Information  
Description  
PT 6941o = +3.3/2.5 Volts  
PT 6942o = +3.3/1.8 Volts  
PT 6943o = +3.3/1.5 Volts  
PT 6944o = +3.3/1.2 Volts  
PT 6946o = +2.5/1.8 Volts  
PT 6947o = +2.5/1.5 Volts  
PT 6948o = +2.5/1.2 Volts  
Pin Function  
The PT6940 Excalibur™ power modules  
are a series of high-efficiency dual-output  
regulators, housed in a solderable space-  
saving package. The dual output is ideal  
for DSP applications that require a second  
voltage source for a processor core.  
Both outputs from the PT6940 regulator  
modules are rated to deliver a full 6A load  
current simultaneously, and are internally  
sequenced to comply with the power-up  
requirements of popular DSP ICs.  
Each output can be independently  
adjusted with a single external resistor, and  
incorporates an output sense to compensate  
for voltage drop between the regulator and  
load. A short-circuit load fault at either  
output will result in the coordinated  
shutdown of both voltages.  
Pin Function  
1
2
STBY* †  
Vo1 Adjust  
Vo1 Sense  
Vo1  
15  
16  
1 7  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
Vin  
Vin  
3
GND  
GND  
GND  
GND  
GND  
GND  
Vo2  
4
5
Vo1  
6
Vo1  
† -Denotes models that will also operate off  
3.3V input bus.  
7
GND  
GND  
GND  
GND  
GND  
GND  
Vin  
8
9
PT Series Suffix  
(PT1234x)  
10  
11  
12  
13  
14  
Vo2  
Case/Pin  
Configuration  
Order  
Suffix  
Package  
Vo2  
Code  
Vo2 Sense  
Vo2 Adjust  
Vertical  
Horizontal  
SMD  
N
A
C
(ENE)  
(ENF)  
(ENG)  
Vin  
(Reference the applicable package code drawing  
for the dimensions and PC layout)  
† STBY* pin: Open = Outputs enabled  
Ground = Outputs disabled  
Standard Application  
Vo1 Sense  
Vo2 Sense  
STBY*  
1
3
26  
Vo1  
4–6  
VIN  
13–16  
PT6940  
Vo2  
23–25  
7–12  
17–22  
+
+
+
CIN  
Co1  
Co2  
L
O
A
D
L
O
A
D
330µF  
330µF  
330µF  
Cin  
= Req’d 330µF * electrolytic  
Co1/Co2 = Req’d 330µF * electrolytic  
GND  
GND  
*300µF for Oscon® or low ESR tantalum  
(see application notes)  
For technical support and more information, see inside back cover or visit www.ti.com  

PT6943N 替代型号

型号 品牌 替代类型 描述 数据表
PT6941N TI

完全替代

SMPS Controller
PT7715N TI

类似代替

20A SWITCHING REGULATOR, 400kHz SWITCHING FREQ-MAX, MSMA27
PT6942N TI

类似代替

SMPS Controller

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