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PT5121N PDF预览

PT5121N

更新时间: 2024-11-09 20:36:15
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
4页 463K
描述
1A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, PSMA3, VERTICAL THROUGH HOLE-3

PT5121N 技术参数

生命周期:Obsolete零件包装代码:MODULE
包装说明:VERTICAL THROUGH HOLE-3针数:3
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
Is 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:38 V
最小输入电压:7 V标称输入电压:9 V
JESD-30 代码:R-PSMA-T3功能数量:1
端子数量:3最高工作温度:80 °C
最低工作温度:-20 °C最大输出电流:1 A
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP3
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
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:800 kHz技术:HYBRID
温度等级:COMMERCIAL EXTENDED端子形式:THROUGH-HOLE
端子位置:SINGLEBase Number Matches:1

PT5121N 数据手册

 浏览型号PT5121N的Datasheet PDF文件第2页浏览型号PT5121N的Datasheet PDF文件第3页浏览型号PT5121N的Datasheet PDF文件第4页 
For assistance or to order, call (800) 531-5782  
P T5 1 2 0 S e r i e s  
SLTS080  
(Revised 6/4/98)  
1 AMP LOW VOLTAGE INPUT  
INTEGRATED SWITCHING REGULATOR  
The PT5120 series is a low voltage in-  
LowVoltageInput(7V)  
85% Efficiency  
Internal Short-Circuit Protection  
Over-Temperature Protection  
Laser-Trimmed Output Voltage  
put (typically 7V) version of Power  
Trends’ easy-to-use, 1A positive step-  
down, 3-terminal Integrated Switching  
Regulators (ISRs). These ISRs are de-  
signed with premium low-threshold  
FETs for those power regulation appli-  
cations requiring very low input/output  
voltage differentials such as battery  
powered equipment.  
Pin-Out Information  
Ordering Information  
PT 5121! =+ 5 Volts  
PT 5123! =+ 3.3Volts  
PT Series Suffix  
Case/Pin  
Configuration  
(PT1234X)  
Pin  
Function  
Vin  
1
Vertical Through-Hole  
N
A
C
GND  
Vout  
2
Horizontal Through-Hole  
Horizontal Surface Mount  
Standard Application  
3
Vin  
Vout  
GND  
1
3
PT5120  
2
Pkg Style 100  
+
C1  
GND  
C2  
PT5120  
C1 = Optional 1µF ceramic  
C2 = Required 100µF electrolytic  
Specifications  
PT5120 SERIES  
Characteristics  
(T =25°C unless noted)  
Symbols  
Io  
Conditions  
Min  
0.1*  
Typ  
Max  
1.0  
Units  
a
Output Current  
Over Vin range  
Vin = Vin min  
0.1 Io 1.0 A  
A
Short Circuit Current  
Input Voltage Range  
Isc  
3.5  
Apk  
Vin  
Vo =  
Vo =  
3.3V7  
5V7  
26  
38  
V
V
Output Voltage Tolerance  
Vo  
Over Vin Range, Io = 1.0 A  
Ta = 0°C to +60°C  
1.5  
3.0  
%Vo  
Line Regulation  
Load Regulation  
Vo Ripple/Noise  
Regline  
Regload  
Vn  
Over Vin range  
0.5  
0.5  
2
1.0  
1.0  
%Vo  
%Vo  
%Vo  
0.1 Io 1.0 A  
Vin=Vin min, Io=1.0 A  
Transient Response  
with Co = 100µF  
ttr  
25% load change  
100  
5.0  
200  
µSec  
%Vo  
Vos  
Vo over/undershoot  
Efficiency  
η
Vin=9V, Io=0.5A, Vo=3.3V—  
Vin=9V, Io=0.5A, Vo=5V—  
82  
85  
%
%
Switching Frequency  
ƒo  
Ta  
Ta  
θja  
Ts  
Over Vin and Io ranges, Vo=  
Vo =  
3.3V575  
>5V500  
725  
650  
875  
800  
kHz  
°C  
Absolute Maximum  
-20  
+85  
Operating Temperature Range  
Recommended Operating  
Temperature Range  
Free Air Convection, Vo=  
3.3V-20  
5V-20  
+80**  
+80**  
°C  
(40-60LFM)  
Vo=  
Thermal Resistance  
Free Air Convection Vo =  
(40-60LFM) Vo =  
3.3V—  
5V—  
45  
50  
°C/W  
°C  
Storage Temperature  
Mechanical Shock  
-40  
+125  
Per Mil-STD-883D, Method 2002.3  
500  
G’s  
1 msec, Half Sine, mounted to a fixture  
Mechanical Vibration  
Per Mil-STD-883D, Method 2007.2  
20-2000 Hz, Soldered in a PC board  
5
G’s  
Weight  
4.5  
grams  
* ISR will operate down to no load with reduced specifications.  
**See Thermal Derating chart.  
Note: The PT5120 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.  
2
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.ti.com/powertrends  

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