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SR781003W PDF预览

SR781003W

更新时间: 2024-10-02 00:53:59
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SR7810 SERIES

SR781003W 数据手册

 浏览型号SR781003W的Datasheet PDF文件第2页 
Series  
SR7810  
Low Cost, 1A Output  
Non-isolated POL  
Switching Regulators  
Electrical Specifications  
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.  
Output  
Parameter  
Output Voltage Accuracy  
Line Regulation  
Conditions  
Vin = Min to Max  
Min.  
Typ.  
±±2.  
±.2±  
±.2ꢁ  
±5  
Max.  
±ꢀ2.  
±.2ꢁ  
±.26  
ꢀ5  
Units  
%
%
%
mV P - P  
°C  
mA  
%/°C  
µF  
mA  
W
Key Features:  
Efficiency to 96%  
1A Output Current  
Compact SIP Case  
LM78xx Replacement  
Wide Input Range  
Short Circuit Protected  
Thermal Shutdown  
Low Noise  
Load Regulation  
Ripple & Noise (±. MHz)  
Thermal Shutdown  
Quiescent Current  
Temperature Coefficient  
Maximum Capacitive Load  
Output Current Limit  
Short Circuit Input Power  
Output Short Circuit  
General  
Iout = 1.% to 1..%  
See Note ±  
See Note ꢀ  
15.  
5
8
.2.±  
1,...  
±,...  
128  
See Note ꢁ  
.25  
Continuous (Autorecovery)  
Low Low Cost  
Parameter  
Conditions  
Min.  
Not Isolated  
±8.  
Typ.  
Max.  
Units  
Isolation Voltage  
Switching Frequency  
Environmental  
Parameter  
Operating Temperature Range  
Operating Temperature Range  
Storage Temperature Range  
Lead Temperature  
Cooling  
ꢀꢀ.  
ꢁ5.  
kHz  
Conditions  
Min.  
-ꢁ.  
Typ.  
+±5  
Max.  
+85  
+1..  
+1±5  
ꢀ..  
Units  
°C  
°C  
°C  
°C  
Ambient  
Case  
-55  
125 mm From Case For 1. Sec  
Free Air Convection  
RH, Non-condensing  
Humidity  
95  
%
Physical  
Case Size  
Case Material  
Weight  
.2ꢁ5 x .2ꢀ5 x .269 Inches (1125 x 92. x 1725. mm)  
Non-Conductive Black Plastic (UL-9ꢁV.)  
.21ꢀ Oz (ꢀ27g)  
Reliability Specifications  
Parameter  
Conditions  
Min.  
Typ.  
Max.  
Units  
MTBF  
MIL HDBK ±17F, ±5°C, Gnd Benign  
±2.  
MHours  
Typical Application Circuit  
Component Values  
Capacitors  
Model  
Number  
C1  
F/V)  
C2  
F/V)  
SR781.-.15W 1. /5.  
SR781.-.18W 1. /5.  
±± / 62ꢀ  
±± / 62ꢀ  
±± / 62ꢀ  
±± / 62ꢀ  
±± / 16  
1. / 16  
1. / 16  
1. / ±5  
1. / ±5  
MicroPower Direct  
±9± Page Street  
Suite D  
Stoughton, MA .±.7±  
USA  
SR781.-.±W  
SR781.-.ꢀW  
SR781.-.5W  
SR781.-.6W  
SR781.-.9W  
SR781.-1±W  
SR781.-15W  
1. /5.  
1. /5.  
1. /5.  
1. /5.  
1. /5.  
1. /5.  
1. /5.  
T: (781) ꢀꢁꢁ-8±±6  
F: (781) ꢀꢁꢁ-8ꢁ81  
E: sales@micropowerdirect2com  
W: www2micropowerdirect2com  
Notes:  
1. C1 is a low ESR ceramic capacitor used to minimize noise at the regulator.  
A tantalum or low ESR electrolytic capacitor may also be used.  
2. C1 & C2 are required and should be mounted as close to the regulator pins as possible.  
www.micropowerdirect.com  

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