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
(µF/V)
C2
(µF/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.
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