50 & 80W Dual:
+5.0V/+10V; +5.0V/+12V; +5.0V/+15V
Input Voltage Range:
10-20V, 18-36V, 36-75V & 10-36V, 18-75V
FEATURES:
▪
All outputs are regulated
▪
High reliability planar xmer design
▪
Ultra low ripple & noise
▪
No external capacitor required
▪
High power density
▪
High effieiencies to 90%
▪
Fully isolated to 1500Vdc
▪
1.5” x 2.1” x 0.45” form factor
▪
-55 to +100°C operation available
Ordering Guide
Output
Model
MH50D1205+10
MH50D2405+10
MH50D4805+10
MH50D24W05+10
MH50D48W05+10
MH50D1205+12
MH50D2405+12
MH50D4805+12
MH50D24W05+12
MH50D48W05+12
MH50D1205+15
MH50D2405+15
MH50D4805+15
MH50D24W05+15
MH50D48W05+15
MH80D1205+10
MH80D2405+10
MH80D4805+10
MH80D24W05+10
MH80D48W05+10
MH80D1205+12
MH80T2405+12
MH80D4805+12
MH80D24W05+12
MH80D48W05+12
MH80D1205+15
MH80D2405+15
MH80D4805+15
MH80D24W05+15
MH80D48W05+15
1
2
Input
Regulation
3
Line
Load
Noise
Vin
12
Range
9-20
18-36
36-75
9-36
18-75
9-20
18-36
36-75
9-36
18-75
9-20
18-36
36-75
9-36
18-75
9-20
18-36
36-75
9-36
18-75
9-20
18-36
36-75
9-36
18-75
9-20
18-36
36-75
9-36
18-75
Power
(Watt)
1
Vout
(Volts)
Iout
(A, max)
mVp-p
2
Ripple
Iin
(mA)
4
Eff.
(%)
4
min.
85
87
85
87
85
86
88
87
88
87
87
88
87
88
87
85
87
85
87
85
86
88
87
88
87
87
88
87
88
87
Options
typ.
87
89
87
89
87
88
90
89
90
89
89
90
89
90
89
87
89
87
89
87
88
90
89
90
89
89
90
89
90
89
C, MC, TS, DR
60
40
40
60
40
60
40
40
60
40
60
40
40
60
40
60
40
40
60
40
60
40
40
60
40
60
40
40
60
40
+5.0
+10
+5.0
+2.5
20
15
25
25
24
48
24
48
12
24
48
24
48
12
24
48
24
±0.2
±0.5
48
12
24
48
24
48
12
24
48
24
48
12
24
48
24
48
50
+5.0
+12
+5.0
+2.1
20
40
25
45
+5.0
+15
+5.0
+1.7
20
60
25
65
+5.0
+10
+10
+3.0
40
25
45
30
80
+5.0
+12
+10
+2.5
40
70
45
75
+5.0
+15
+10
+2.0
40
100
45
105
Total max. output power.
Max +V1/+V2, -V3 ripple and noise; measured without external capacitor, 20MHz B.W.
3
Balanced Loads on ±Vout.
4
Max no load input current.
5
Nominal line voltage and full load.
ACON, INC.
www.aconinc.com
MHD
p. 1 of 23
Dec 29, 2011
50 & 80W Dual:
+5.0V/+10V; +5.0V/+12V; +5.0V/+15V
Input Voltage Range:
10-20V, 18-36V, 36-75V & 10-36V, 18-75V
BLOCK DIAGRAM
Indefinite
Short-Circuit
Protection
Over-Voltage
Protection
Over-Load
Protection
Opto Isolation
Error
Amplifier
(+)Vin 4
7 (+)V2*
(-)Vin 3
Over-Temp.
Protection
Undervoltage
Lockout
Controller
PWM
Current
Mode
* V1, V2 are individually regulated by
two synchronized interleaved controllers.
6 N.C.
9 Com
8 (+)V1*
Enable 1
Enable
Control
Opto Isolation
Error
Amplifier
10 V1 trim
INPUT SPECIFICATIONS:
Model No./Parameter
MHxxD1205-xx
(Vin = 10 - 20V)
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Input Voltage Continuous
Input Trasient Withstand (100mSec)
Input Over Voltage Protection
Output ON (Input Ramping Up)
Output OFF (Input Ramping Down)
Input Voltage Continuous
Input Trasient Withstand (100mSec)
Input Over Voltage Protection
Output ON (Input Ramping Up)
Output OFF (Input Ramping Down)
Input Voltage Continuous
Input Trasient Withstand (100mSec)
Input Over Voltage Protection
Output ON (Input Ramping Up)
Output OFF (Input Ramping Down)
Input Voltage Continuous
Input Trasient Withstand (100mSec)
Input Over Voltage Protection
Output ON (Input Ramping Up)
Output OFF (Input Ramping Down)
Input Voltage Continuous
Input Trasient Withstand (100mSec)
Input Over Voltage Protection
Output ON (Input Ramping Up)
Output OFF (Input Ramping Down)
Disabled
Source or Sink current
ON Control
OFF Control
Condition/Description
Min
10
Nom
12
21
Max
20
30
Units
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
mA
mA
VDC
VDC
9.4
9.2
18
24
37
MHxxD2405-xx
(Vin = 24 - 36V)
9.8
9.4
36
50
18
17.6
75
100
36
35.6
36
50
9.8
9.4
75
100
18
17.6
10
1.0
+18
+1.8
17.8
17.2
36
48
76
MHxxD4805-xx
(Vin = 36 - 75V)
35.6
35
10
24
37
MHxxD24W05-xx
(Vin = 10 - 36V)
9.4
9.2
18
48
76
MHxxD48W05-xx
(Vin = 18 - 75V)
Input Current
Enable (On/Off)
1
Control
1
17.8
17.2
8
+2.4
0
Enable Pin Floating = ON Control
ACON, INC.
www.aconinc.com
MHD
p. 2 of 23
Dec 29, 2011
50W:
OUTPUT SPECIFICATIONS:
Parameter
Output Voltage
Output Current
+5V
+10V
+5V
+10V
+5V
+10V
+5V
+10V
+5V
+10V
+5V
+10V
+5V
+10V
+5.0V/+10V Output
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Condition/Description
Input Voltage = Nom, Output Current = Max
Baseplate Temperature =< +90°C
(Total Output Power 50W max.)
Trim Up (Trim resistor to trim & Com pin)
Trim Down (Trim resistor to trim & +V1 pin)
Trim Up (Trim resistor to trim & Com pin)
Trim Down (Trim resistor to trim & +V2 pin)
Vin = Min to Max, Iout = Max
Vin = Nom, Iout = Min to Max
Ripple
Spike (20MHz B.W.)
Ripple
Spike (20MHz B.W.)
Peak Deviation
Settling Time
Peak Deviation
Settling Time
Feedback Loop Voltage Clamp
Hiccup Mode Indefinite, Auto Recovery
Resitive Load
12
15
10
15
±50
100
±60
100
+6.5
+13
20
Min
+4.95
+9.90
0
0
+4.5
+9.0
Nom
+5.00
+10.0
Max
+5.05
+10.10
+5.0
+2.5
+5.5
+11.0
±0.2
±0.2
±0.5
±0.5
20
25
15
25
±70
150
±90
150
Units
VDC
VDC
A
A
V
V
V
V
%
%
%
%
mVp-p
mVp-p
mVp-p
mVp-p
mV
µSec
mV
µSec
VDC
VDC
mSec
Output Trim
Line Regulation
Load Regulation
Ripple & Noise
(No External Capacitor)
Transient Response
(75-100% step Load)
Over Voltage Protection
+5V
+10V
Short Circuit Protection
Start-Up
30
Output Ripple & Noise
(Measured with no external capacitor, 20MHz B.W.)
+5.0V
ACON, INC.
www.aconinc.com
+10V
MHD
p. 3 of 23
Dec 29, 2011
50W:
Output Load Transient
(75% to 100% Step Load change)
+5.0V/+10V Output
+5.0V
+10V
Start-Up
(Resistive, Full Load)
+5.0V
+10V
ACON, INC.
www.aconinc.com
MHD
p. 4 of 23
Dec 29, 2011
50W:
Efficiency Curves
95
90
85
+5.0V/+10V Output
(Measured @ Baseplate Temp < 50°C)
95
90
85
Efficiency (%)
75
70
65
60
55
50
0
1.0
2.0
3.0
Efficiency (%)
Vin = 12V
Vin = 24V
Vin = 48V
4.0
5.0
80
80
75
70
65
60
55
50
0
0.5
1.0
1.5
Vin = 12V
Vin = 24V
Vin = 48V
2.0
2.5
+5.0V
Load Current (A)
+10V
Load Current (A)
Output Voltage Trim
Trim-Up Resistance (KΩ)
5.5
5.4
115
52
32
21
15.3
11
8.2
6.0
4.3
2.9
11.0
10.8
256
112
Trim-Up Resistance (KΩ)
66
44
31
22.3
16
11.5
8.0
5.1
Output Voltage (V)
Output Voltage (V)
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
115
52
29.5
19.2
12.9
8.8
5.8
3.5
1.85
0.5
10.6
10.4
10.2
10.0
9.8
9.6
9.4
9.2
9.0
202
95
56
36
24
16
10.2
5.9
2.5
0
Trim-Down Resistance (KΩ)
Trim-Down Resistance (KΩ)
5.0V Trim
10V Trim
ACON, INC.
www.aconinc.com
MHD
p. 5 of 23
Dec 29, 2011
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