Communication Line – MAH42 Series
2 0 - 3 0 W 4 : 1 S I N G L E O U T P U T D C / D C C O N V E R T E R
Specifications
INPUT
Voltage range
24V
48V
9-36VDC
18-75VDC
8.8V
8.0V
17V
Under voltage lockout
24Vin power up
24Vin power down
48Vin power up
48Vin power down
16V
Positive logic remote ON/OFF (se note 3 & 4).
Input filter
Pi type.
OUTPUT
Voltage accuracy
Transient response
1.5ꢀ maꢁ.
75-100ꢀ step load change.
Error band: 5ꢀ Vout nominal.
Reovery time: <300us.
Eꢁternal adj. range, ꢀVo 10.
Ripple and noise 20MHz BW 3.3V & 5V:
20mV rms maꢁ, 75mV pk-pk maꢁ.
12 & 15V:
20mV rms maꢁ, 100mV pk-pk maꢁ
(measured with 0.1µF MLCC).
Features
•ꢀ Highꢀefficiencyꢀupꢀtoꢀ91%
•ꢀ Fixedꢀ300KHzꢀswitchingꢀfrequency
•ꢀ 4:1ꢀinputꢀrange
Temperature coefficient 0.02ꢀ/ꢂC maꢁ.
1
Line regulation
0.5ꢀ maꢁ.
0.5ꢀ maꢁ.
Over voltage protection 3.3V 3.9VDC typ
5V 6.2VDC typ
2
Load regulation
•ꢀ Regulatedꢀoutputs
•ꢀ Continuousꢀshortꢀcircuitꢀprotection
•ꢀ Six-sidedꢀmetalꢀcase
12V 15VDC typ
15V 18VDC typ
(Zener or TVS clamp).
110-150ꢀ, ꢀ nominal output.
•ꢀ 2”ꢀxꢀ1.6”ꢀsize
Output current limit
Short circuit protection Continuous (hiccup mode).
•ꢀ Industryꢀstandardꢀpin-out
•ꢀ RoHSꢀcompliant
ENVIRONMENTAL
Operating temperature –40ꢂC to +85ꢂC.
Derating above 60ꢂC
Case temperature
Cooling
Linearly to zero power at 100ꢂC.
+100ꢂC maꢁ.
Natural convection.
Storage temperature
Thermal shutdown
–55ꢂC to +125ꢂC.
Case temperature 110ꢂC typ.
GENERAL
Efficiency
Derating Curve
See table.
Isolation voltage
Isolation resistance
Switching frequency
1500VDC min input/output.
10 ohms, min.
24Vin 300KHz typ.
48Vin 250KHz typ.
Black coated copper with non-conductive base.
50.8 ꢁ 40.6 ꢁ 10.2 mm.
120%
8
-40
60
100%
80%
60%
40%
Metal case material
Dimensions
Natural Convection
Note:
20%
0%
1) Measured from high line to low line.
2) Measured from full load to 10% load.
100
-40
-20
0
20
40
60
80
100
3) Logic compatibility CMOS Open Collector TTL, ref to -Vin.
Module ON >+3.5VDC to 75VDC or Open Circuit. Module OFF <1.2VDC.
4) Suffix “N” to the model number with negative logic remote ON/OFF.
Module ON <1.2VDC. Module OFF >3.5VDC to 75VDC or Open Circuit.
5) Maximum case temperature under any operating condition should not be exceeded 100°C.
Ambient Temperature (C°)
20110818
C O M M U N I C A T I O N L I N E
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