Series
MH300RW
Wide Input, 3W
Ultra-Miniature
DC/DC Converters
Electrical Specifications
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
Parameter
Conditions
Min.
Typ.
Max.
4.5
9.0
18.0
36.0
0.50
Units
VDC
W
Key Features:
• 3W Output Power
5 VDC Input
12 VDC Input
24 VDC Input
48 VDC Input
Input Start Voltage
• Miniature 0.55 x 0.55” Case
• Wide 2:1 Input Range
• EN 60950 Approval
• 1,500 VDC Isolation
• >3.45 MHour MTBF
• -40°C to +80°C Operation
• 28 Standard Models
Short Circuit Input Power
Input Filter
Internal Capacitor
Output
Parameter
Conditions
Min.
Typ.
Max.
1.5
2.0
0.2
1.0
Units
%
%
%
%
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
Dual Output, Balanced Loads
VIN = MIN to MAX
IOUT = 0% to 100%
See Note 2
Load Regulation
Cross Regulation
Ripple & Noise (20 MHz)
Temperature Coefficient
Transient Recovery Time
Transient Response Deviation
Overload Protection
Output Short Circuit
General
5.0
See Note 3
70
mV P - P
%/°C
µSec
%
0.01
250
3.0
0.02
500
5.0
See Note 4
See Note 5
170
%
Continuous (Autorecovery)
Parameter
Conditions
Min.
Typ.
Max.
Units
60 Seconds 1,500
1 Second 1,800
500 VDC 1,000
100 kHz, 1.0V
100
Isolation Voltage
VDC
Isolation Resistance
Isolation Capacitance
Switching Frequency
EMI Characteristics
Parameter
M
pF
kHz
100
Standard
Criterea
Level
Radiated Emissions
Conducted Emissions
EN 55022
EN 55022
Class A
Class A
8 kV Air
6 kV Contact
10V/m
2 kV
1 kV
10 Vrms
3A/M
ESD
EN 61000-4-2
A
RS
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 61000-4-8
A
A
A
A
A
EFT, See Note 6
Surge, See Note 6
CS
PFMF
Environmental
Parameter
Conditions
Min.
-40
Typ.
Max.
+80
+95
Units
°C
Ambient
Case
Operating Temperature Range
Storage Temperature Range
Cooling
Humidity
-50
+125
°C
Free Air Convection
RH, Non-condensing
95
%
Physical
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
Case Size
See Mechanical Diagram (Page 2)
Non-Conductive Black Plastic (UL-94V0)
0.14 Oz (3.9g)
Case Material
Weight
Reliability Specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
MHours
MTBF
MIL HDBK 217F, 25°C, Gnd Benign 3.45
UL 60950, EN 60950
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Safety Standards
Absolute Maximum Ratings
Parameter
Conditions
Min.
Typ.
Max.
12.0
25.0
50.0
100.0
260
Units
VDC
°C
5 VDC Input
12 VDC Input
24 VDC Input
48 VDC Input
Input Voltage Surge (1 Sec)
Lead Temperature
1.5 mm From Case For 10 Sec
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
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