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78ST233VC PDF预览

78ST233VC

更新时间: 2024-01-25 19:37:42
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器放大器
页数 文件大小 规格书
4页 216K
描述
2 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR

78ST233VC 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:ROHS COMPLIANTReach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
最大输入电压:15 V最小输入电压:7 V
JESD-30 代码:R-XSMA-T3功能数量:1
端子数量:3最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:2 A
封装主体材料:UNSPECIFIED封装等效代码:SIP3,.2
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:BUCK最大切换频率:1050 kHz
技术:HYBRID温度等级:INDUSTRIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
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

78ST233VC 数据手册

 浏览型号78ST233VC的Datasheet PDF文件第2页浏览型号78ST233VC的Datasheet PDF文件第3页浏览型号78ST233VC的Datasheet PDF文件第4页 
For assistance or to order, call (800) 531-5782  
7 8 S T 2 0 0 S e r i e s  
2 AMP POSITIVE STEP-DOWN  
INTEGRATED SWITCHING REGULATOR  
Revised 6/30/98  
The 78ST200 is a series of wide  
High Efficiency > 82%  
input voltage, 3 terminal Integrated  
Switching Regulators (ISRs). Employ-  
ing a ceramic substrate, these ISRs  
have a maximum output current of 2A.  
The output voltage is laser trimmed  
for high accuracy.  
Wide Input Range  
Self-Contained Inductor  
Short-Circuit Protection  
Over-Temperature Protection  
Fast Transient Response  
The 78ST200 series regulators  
have internal short-circuit and over-  
temperature protection and may be  
used in a wide variety of applications.  
Pin-Out Information  
Ordering Information  
78ST2  
C
XX  
Y
Pin No. Function  
1
2
3
V
in  
Standard Application  
GND  
Vout  
Output Voltage  
Package Suffix  
V = Vertical Mount  
S = Surface Mount  
H = Horizontal  
Mount  
33 = 3.3 Volts  
35 = 3.45 Volts  
05 = 5.0 Volts  
Vin  
Vout  
GND  
1
3
78ST200  
2
+
C1  
GND  
C2  
(For dimensions and PC board  
layout see Package Style 500.)  
C1 = Optional 1µF ceramic  
C2 = Required 100µF electrolytic  
Specifications  
78ST200 SERIES  
Characteristics  
(Ta = 25°C unless noted)  
Symbols  
Io  
Conditions  
Min  
Typ  
Max  
Units  
Output Current  
Over Vin range  
Io = 0.1 to 3.0A  
0.1*  
2.0  
A
Input Voltage Range  
Vin  
Vo < 3.5V  
Vo = 5.0V  
7
8
15  
20  
V
V
Output Voltage Tolerance  
Vo  
Over Vin range, Io = 2.0A  
Ta = 0°C to +60°C  
±1.0  
±2.0  
%Vo  
Line Regulation  
Load Regulation  
Ripple/Noise  
Regline  
Regload  
Vn  
Over Vin range  
±0.4  
±0.2  
1
±0.8  
±0.4  
%Vo  
%Vo  
%Vo  
0.1 Io 2.0A  
Vin = Vin min, Io = 2.0A  
Transient Response  
(with 100µF output cap)  
ttr  
50% load change  
Vo over/undershoot  
100  
5.0  
µSec  
%Vo  
Efficiency  
η
Vin = 9V, Io = 2.0A, Vo = 5V  
Over Vin and Io ranges  
82  
%
Switching Frequency  
ƒo  
0.95  
1.0  
1.05  
MHz  
Absolute Maximum  
Operating Temperature Range  
Ta  
-40  
+85  
°C  
Recommended Operating  
Temperature Range  
Ta  
Free Air Convection, (40-60LFM)  
Over Vin and Io ranges  
-40  
+85**  
°C  
Thermal Resistance  
Storage Temperature  
Mechanical Shock  
θja  
Ts  
Free Air Convection, (40-60LFM)  
38  
°C/W  
°C  
-40  
+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
7
G’s  
Weight  
Grams  
*
ISR will operate down to no load with reduced specifications.  
** See Thermal Derating chart.  
Note: The 78ST200 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.  
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com  

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