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PT5041H

更新时间： 2024-01-18 12:53:00
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德州仪器 - TI 稳压器开关
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PT5041H 数据手册

 浏览型号PT5041H的Datasheet PDF文件第2页浏览型号PT5041H的Datasheet PDF文件第3页 
Application Notes  
Mechanical Outline  
For assistance or to order, call (800) 531-5782  
Product Selector Guide  
P T 5 0 4 0 S e r i e s  
1 AMP STEP-UP  
INTEGRATED SWITCHING REGULATOR  
Revised 6/30/98  
• Wide Input Voltage Range  
• 85% Efficiency  
• Internal Over-Temperature  
Protection  
• Laser-trimmed Output Voltage  
• Soft Start  
The Power Trends’ PT5040 Series  
is a 3-terminal Integrated Switching  
Regulator (ISR) designed for use with  
+5 volt systems that require an addi-  
tional regulated +8 to +20 volts with up  
to 1A of output current. These ISRs  
are packaged in the 3 pin SIP configu-  
ration.  
Pin-Out Information  
Ordering Information  
PT Series Suffix  
(PT1234X)  
Pin  
1
Function  
Vin  
PT5041o = +12 Volts  
PT5042o = +15 Volts  
PT5044o = +8 Volts  
PT5045o = +9 Volts  
PT5046o = +10 Volts  
PT5047o = +18 Volts  
PT5048o = +12.6 Volts  
PT5049o = +20 Volts  
Case/Pin  
Configuration  
N
A
C
Vertical Through-Hole  
Horizontal Through-Hole  
Horizontal Surface Mount  
GND  
Standard Application  
2
3
Vout  
1
3
V
(+)  
IN  
VOUT  
(+)  
PT5040  
2
C1  
C2  
C3  
Pkg Style 100  
COM  
COM  
C1 = Optional ceramic (1-5µF)  
C2 = Optional ceramic (1-5µF)  
C3 = Required Electrolytic (100µF)  
NOTE: Boost Topology ISRs are not Short-Circuit Protected.  
Specifications  
PT5040 SERIES  
Characteristics  
(Ta=25°C unless noted)  
Symbols  
Conditions  
Min  
Typ  
Max  
Units  
Output Current  
Io  
Over Vin range  
Vo=20V  
Vo=18V  
Vo=12V  
Vo=15V  
Vo=8V  
0.1*  
0.1*  
0.1*  
0.1*  
0.1*  
0.1*  
—
—
—
—
—
—
0.5  
A
A
A
A
A
A
0.6  
1.0  
0.75  
1.5  
Vo=9V  
1.25  
Current Limit**  
Inrush Current  
Icl  
Vin = +5V  
Vin = +5V @ max Io  
On start up  
—
1.5 Iomax  
2.5  
1
—
A
A
mSec  
Iir  
—
—
tir  
—
—
-
Input Voltage Range  
Vin  
Io = 0.1 to Iomax  
Over Vin Range  
4.75  
4.75  
—
—
(Vo 1V)  
V
V
PT5047/5049  
14  
Output Voltage Tolerance  
∆Vo  
Io = Imax, Ta= -20°C to shutdown  
Over Vin range  
—
—
—
—
±1.5  
±0.5  
±0.5  
±2  
±3.0  
±1.0  
±1.0  
±5  
%Vo  
%Vo  
%Vo  
%Vo  
Line Regulation  
Load Regulation  
Vo Ripple/Noise  
Transient Response  
Regline  
Regload  
Vn  
0.1 ≤ Io ≤ Iomax  
Vin= +5V, Io=Iomax  
ttr  
25% load change  
—
—
500  
3.0  
—
µSec  
%Vo  
Vos  
Vo over/undershoot  
5.0  
Efficiency  
η
Vin= +5V, Io=0.5A, Vo= +12V  
—
85  
—
%
Switching Frequency  
ƒo  
Over Vin and Io ranges  
Vo<15V  
Vo>15V  
500  
650  
650  
800  
800  
950  
kHz  
kHz  
Absolute Maximum  
Ta  
Ta  
θja  
Ts  
—
-20  
—
+85  
°C  
Operating Temperature Range  
Recommended Operating  
Temperature Range  
Free Air Convection, (40-60LFM) Vo<15V  
Over Vin and Io ranges  
-20  
-20  
—
—
70***  
55***  
°C  
°C  
Vo>15V  
Thermal Resistance  
Free Air Convection  
(40-60LFM)  
—
40  
—
°C/W  
Storage Temperature  
Mechanical Shock  
-40  
—
+125  
°C  
Per Mil-STD-883D, Method 2002.3  
1 msec, Half Sine, mounted to a fixture  
—
—
—
500  
5
—
—
—
G’s  
Mechanical Vibration  
Per Mil-STD-883D, Method 2007.2,  
20-2000 Hz, Soldered in a PC Board  
G’s  
Weight  
4.5  
grams  
* ISR will operate down to no load with reduced specifications.  
** Boost topology ISRs are not short circuit protected.  
*** See SOA Curves.  
44  
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com  
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