Series
SR7815
Low Cost, 1.5A 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.ꢀ
±ꢀ.5 ±ꢀ.75
±ꢀ.5
2ꢀ
Max.
±±.ꢀ
Units
%
%
%
mV P - P
°C
mA
%/°C
µF
mA
W
Key Features:
• Efficiency to 92%
• 1.5A Output Current
• Compact SIP Case
• LM78xx Replacement
• Wide Input Range
• Short Circuit Protected
• Thermal Shutdown
• Low Noise
Load Regulation
Ripple & Noise (2ꢀ MHz)
Thermal Shutdown
Quiescent Current
Temperature Coefficient
Maximum Capacitive Load
Output Current Limit
Short Circuit Input Power
Output Short Circuit
General
Iout = 1ꢀ% to 1ꢀꢀ%
±1.ꢀ
45
See Note 2
See Note ±
15ꢀ
5
1ꢀ
ꢀ.ꢀ2
1,ꢀꢀꢀ
5,ꢀꢀꢀ
ꢀ.5
1.8
Continuous (Autorecovery)
• Low Low Cost
Parameter
Conditions
Min.
Not Isolated
±ꢀꢀ
Typ.
Max.
Units
Isolation Voltage
Switching Frequency
Environmental
Parameter
Operating Temperature Range
Operating Temperature Range
Storage Temperature Range
Lead Temperature
Cooling
±4ꢀ
±8ꢀ
kHz
Conditions
Min.
-4ꢀ
Typ.
+25
Max.
+85
+1ꢀꢀ
+125
±ꢀꢀ
Units
°C
°C
°C
°C
Ambient
Case
-55
1.5 mm From Case For 1ꢀ Sec
Free Air Convection
RH, Non-condensing
Humidity
95
%
Physical
Case Size
Case Material
Weight
ꢀ.45 x ꢀ.±5 x ꢀ.69 Inches (11.5 x 9.ꢀ x 17.5ꢀ mm)
Non-Conductive Black Plastic (UL-94Vꢀ)
ꢀ.14 Oz (4.ꢀg)
Reliability Specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
MTBF
MIL HDBK 217F, 25°C, Gnd Benign
2.ꢀ
MHours
Typical Application Circuits
Component Values
Capacitors
Model
Number
C1, C3
C2, C4
(µF/V)
(µF/V)
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA ꢀ2ꢀ72
USA
SR7815-ꢀ12W
SR7815-ꢀ18W
SR7815-ꢀ2W
SR7815-ꢀ±W
SR7815-ꢀ5W
SR7815-ꢀ6W
1ꢀ /25
1ꢀ /25
1ꢀ /25
1ꢀ /25
1ꢀ /25
1ꢀ /25
22 / 6.±
22 / 6.±
22 / 6.±
22 / 6.±
22 / 16
22 / 16
T: (781) ±44-8226
F: (781) ±44-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
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