SR7820 Datasheet, PDF (1/2 Pages) MicroPower Direct, LLC – SR7820 SERIES

SR7820 ^Series
Low Cost, 2A Output
Non-isolated POL
Switching Regulators
Key Features:
• Efficiency to 92%
• 2A Output Current
• Compact SIP Case
• LM78xx Replacement
• Wide Input Range
• Short Circuit Protected
• Thermal Shutdown
• Low Noise
• Low Low Cost
Electrical Specifications
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Output
Parameter
Conditions
Min. Typ. Max. Units
Output Voltage Accuracy
±2.0 ±3.0
%
Line Regulation
Vin = Min to Max
±0.5 ±0.75
%
Load Regulation
Iout = 10% to 100%
±0.5 ±1.0
%
Ripple & Noise (20 MHz)
25 45 mV P - P
Thermal Shutdown
See Note 2
150
°C
Quiescent Current
See Note 3
5
10
mA
Temperature Coefficient
0.03
%/°C
Maximum Capacitive Load
1,000
µF
Output Current Limit
5,000
mA
Short Circuit Input Power
0.5 1.8
W
Output Short Circuit
Continuous (Autorecovery)
General
Parameter
Conditions
Min. Typ. Max. Units
Isolation Voltage
Not Isolated
Switching Frequency
280 330 450
kHz
Environmental
Parameter
Conditions
Min. Typ. Max. Units
Operating Temperature Range
Ambient -40 +25 +85
°C
Operating Temperature Range
Case
+100
°C
Storage Temperature Range
-55
+125
°C
Lead Temperature
1.5 mm From Case For 10 Sec
300
°C
Cooling
Free Air Convection
Humidity
RH, Non-condensing
95
%
Physical
Case Size
0.45 x 0.35 x 0.69 Inches (11.5 x 9.0 x 17.50 mm)
Case Material
Non-Conductive Black Plastic (UL-94V0)
Weight
0.13 Oz (3.7g)
Reliability Specifications
Parameter
Conditions
Min. Typ. Max. Units
MTBF
MIL HDBK 217F, 25°C, Gnd Benign 2.0
MHours
Typical Application Circuit
Component Values
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
T: [phone]
F: [phone]
E: [e-mail]
W: www.micropowerdirect.com
Model
Number
SR7820-015W
SR7820-018W
SR7820-02W
SR7820-03W
SR7820-05W
SR7820-06W
Capacitors
C1, C3
(µF/V)
C2, C4
(µF/V)
10 /25 22 / 6.3
10 /25 22 / 6.3
10 /25 22 / 6.3
10 /25 22 / 6.3
10 /25 22 / 16
10 /25 22 / 16
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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