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PT79ST253V PDF预览

PT79ST253V

更新时间: 2024-11-19 19:37:23
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
3页 59K
描述
2A SWITCHING REGULATOR, 700kHz SWITCHING FREQ-MAX, VERTICAL MOUNT PACKAGE-3

PT79ST253V 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:,针数:3
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.92
模拟集成电路 - 其他类型:SWITCHING REGULATOR最大输入电压:-20 V
最小输入电压:-8 V标称输入电压:-10 V
湿度敏感等级:1功能数量:1
最高工作温度:65 °C最低工作温度:
最大输出电流:2 A峰值回流温度(摄氏度):215
认证状态:Not Qualified切换器配置:SINGLE
最大切换频率:700 kHz温度等级:COMMERCIAL
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

PT79ST253V 数据手册

 浏览型号PT79ST253V的Datasheet PDF文件第2页浏览型号PT79ST253V的Datasheet PDF文件第3页 
For assistance or to order, call (800) 531-5782  
P T7 9 S T2 S e r i e s  
SLTS079  
(Revised 5/31/2000)  
2.0 AMP NEGATIVE STEP-DOWN  
INTEGRATED SWITCHING REGULATOR  
High Efficiency  
The PT79ST2 Series are  
line and load regulation with  
Self-Contained Inductor  
Short Circuit Protection  
Over-Temperature Protection  
Negative 3-terminal Integrated  
Switching Regulators (ISR).  
These ISRs have a maximum  
output current of –2.0 Amps and  
an output voltage that is laser  
trimmed. They have excellent  
internal short circuit and over-  
temperature protection. With  
high conversion efficiency,  
these ISRs can power a diver-  
sity of circuits used in a wide  
variety of industrial applica-  
tions.  
Ordering Information  
Standard Application  
Pin-Out Information  
PT 79ST 2  
XX  
Y
Pin Function  
COM  
COM  
1
2
3
GND  
–Vin  
+
Output Voltage  
Package Suffix  
C 1  
C 2  
C 3  
1
–Vout  
53 = –5.13 Volts  
V = Vertical Mount  
V
in  
V
out  
2
3
PT79ST2  
(For dimensions and PC board  
layout, see Package Style 500)  
C1 = Optional ceramic (1µF)  
C2 = Required Electrolytic (100µF)  
C3 = Optional ceramic (1–5µF)  
Specifications  
PT79ST2 SERIES  
Typ  
Characteristics  
(T = 25°C unless noted)  
a
Symbols  
Io  
Conditions  
Min  
–0.1*  
Max  
Units  
A
Output Current  
Over Vin range  
–2.0  
Short Circuit Current  
Input Voltage Range  
Isc  
Vin =Vo–3V  
–3.5  
Apk  
V
Vin  
–0.1 Io –2.0 Amp, Vo= –5.13V  
–8  
–20  
Output Voltage Tolerance  
Vo  
Over Vin range, Io= –2.0 Amp  
Ta= 0°C to shutdown  
1.0  
3.0  
%Vo  
Line Regulation  
Load Regulation  
Vo Ripple/Noise  
Regline  
Regload  
Vn  
Over Vin range  
40  
30  
70  
75  
50  
mV  
–0.1 Io –2.0 Amp  
Vin= –8V, Io= –2.0 A,Vo= –5.13V  
mV  
mVpp  
Transient Response  
(with req’d output capacitor)  
ttr  
50% load change  
Vo=over/undershoot  
100  
5
µSec  
%Vo  
Efficiency  
η
Vin= –10V, Io= –2.0 A,Vo= –5.13V  
Over Vin range, Io = –2.0A  
85  
%
Switching Frequency  
ƒo  
Ta  
600  
650  
700  
kHz  
Recommended Operating  
Temperature Range  
Free Air Convection, (40-60LFM)  
Over Vin and Io ranges  
0
+65  
°C  
Thermal Resistance  
Storage Temperature  
Mechanical Shock  
θja  
Ts  
Free Air Convection, (40-60LFM)  
-40  
45  
°C/W  
°C  
+125  
Per Mil-STD-883D, Method 2002.3  
500  
G’s  
Mechanical Vibration  
Per Mil-STD-883D,Method 2007.2,  
20-2000 Hz, soldered in a PC board  
5
G’s  
Weight  
7.0  
Grams  
* ISR will operate down to no load with reduced specifications.  
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.ti.com/powertrends  

PT79ST253V 替代型号

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