Series
MSR7805W
Low Cost, Non-isolated
Wide Input, Single Output
POL Switching Regulators
Key Features:
Electrical Specifications
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
• Efficiency to 95%
Input
Parameter
• 0.5A Output Current
• EN 60950 Approved
• Short Circuit Protected
• Compact SIP Case
• LM78xx Replacement
• Wide Input Range
• Negative Output Capability
• -40ºC to +85ºC Operation
• Low Noise
Conditions
Positive Output
Capacitor Filter
Not Allowed, Could Damage the Unit
Min.
Typ.
Max.
Units
No-Load Input Current
Input Filter
0.2
1.5
mA
Reverse Polarity Input
Output
Parameter
Conditions
3.3 VOUT Model
Min.
Typ.
2.0
2.0
0.2
0.4
20
Max.
4.0
Units
Output Voltage Accuracy
%
All Other Models
Full Load, VIN = Min to Max
Nom Input, IOUT = 10% to 100%
See Note 2
3.0
Line Regulation
Load Regulation
Ripple & Noise (20 MHz)
Temperature Coefficient
Transient Recovery Time, See Note 3
Transient Response Deviation
Output Short Circuit
General
0.4
%
%
0.6
75
mV P - P
%/°C
mS
0.03
1.0
0.2
50
25% Load Step Change
250
mV
Continuous (Autorecovery)
Parameter
Conditions
Standard
Min.
Not Isolated
550
Typ.
Max.
Units
Isolation Voltage
Switching Frequency
EMI Characteristics
Parameter
850
kHz
Criteria
Level
Radiated Emissions, See Note 4
Conducted Emissions, See Note 4
ESD
EN 55022
EN 55022
B
B
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN61000-4-6
B
A
B
B
A
4 kV Contact
10V/m
1 kV
RS
EFT, See Note 5
Surge, See Note 5
CS
1 kV
3V rms
Environmental
Parameter
Conditions
Min.
Typ.
+25
Max.
Units
°C
Operating Temperature Range
Storage Temperature Range
Lead Temperature
Cooling
Ambient
-40
-55
+85
+125
260
°C
MicroPower Direct
292 Page Street
Suite D
1.5 mm From Case For 10 Sec
°C
Free Air Convection
RH, Non-condensing
Humidity
95
%
Stoughton, MA 02072
USA
Physical
Case Size
See Mechanical Diagram (Page 4)
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Case Material
Non-Conductive Black Plastic (UL-94V0)
0.063 Oz (1.8g)
Weight
Reliability Specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
MTBF
MIL HDBK 217F, 25°C, Gnd Benign
2.0
MHours
Safety Approvals
UL 60950, EN 60950
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