Input Voltage Range:
10-20V, 18-36V, 36-75V & 10-36V, 18-75V
50W, 120W Dual Output:
±12V; ±15V
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
▪
1.9” x 3.0” x 0.5” form factor
▪
-55 to +100°C operation available
Ordering Guide:
Output
Model
GH50D1212
GH50D2412
GH50D4812
GH50D24W12
GH50D48W12
GH120D1212
GH120D2412
GH120D4812
GH120D24W12
GH120D48W12
GH50D1215
GH50D2415
GH50D4815
GH50D24W15
GH50D48W15
GH120D1215
GH120D2415
GH120D4815
GH120D24W15
GH120D48W15
1
2
Input
Regulation
3
Line
Load
Noise
Vin
12
Range
9-20
18-36
36-75
9-36
18-75
10-20
18-36
36-75
10-36
18-75
9-20
18-36
36-75
9-36
18-75
10-20
18-36
36-75
10-36
18-75
Vout
(Volts)
Iout
(A, max)
Power
(Watt)
1
mVp-p
2
Ripple
Iin
(mA)
4
Eff.
(%)
5
min.
86
87
87
87
87
85
87
87
87
87
86
88
88
88
88
87
89
89
89
89
Options
typ.
88
89
89
89
89
87
89
89
89
89
88
90
90
90
90
89
91
91
91
91
MC, TS, DR
40
30
20
30
20
80
60
50
60
50
40
30
20
30
20
80
60
50
60
50
+2.5
-2.1
±12
+6.0
-5.0
50
60
60
65
65
24
48
24
48
12
24
48
24
±0.2
±0.5
48
12
24
48
24
48
12
24
48
24
48
120
85
85
85
85
+2.0
-1.7
±15
+5.0
-4.0
50
70
30
80
35
120
100
100
100
100
Total max. output wattage
Max. output ripple & noise, measured without external capacitor, 20MHz B.W.
3
-V2(50W) output load regulation
±2.0%.
4
No load input current.
5
Nominal line voltage and full load.
ACON, INC.
www.aconinc.com
GHD
p. 1 of 18
Dec. 12, 2011
Input Voltage Range:
10-20V, 18-36V, 36-75V & 10-36V, 18-75V
50W, 120W Dual Output:
±12V; ±15V
BLOCK DIAGRAM: 50W
(+)Vin 1
Over-Voltage
Protection
Over-Load
Protection
Regulator
Dropout
Low
6
(+)V1
1
5
Com
4
(-)V2
2
Over-Temp.
Protection
Undervoltage
Lockout
Current
Mode
1
2
(-)Vin 3
Regulated with feedback loop
Regulated with low dropou regulator.
Enable 2
Enable
Control
Controller
PWM
Error
Amplifier
Opto
Isolation
BLOCK DIAGRAM: 120W
Opto Isolation
(+)Vin 1
Indefinite
Short-Circuit
Protection
Over-Voltage
Protection
Over-Load
Protection
Error
Amplifier
6 (+)V1
(-)Vin 3
Interleaved
Current
Mode
Controller
Over-Temp.
Protection
Undervoltage
Lockout
PWM
5 Com
Enable 2
Enable
Control
Opto Isolation
4 (-)V2
Error
Amplifier
ACON, INC.
www.aconinc.com
GHD
p. 2 of 18
Dec. 12, 2011
Input Voltage Range:
10-20V, 18-36V, 36-75V & 10-36V, 18-75V
50W, 120W Dual Output:
±12V; ±15V
INPUT SPECIFICATIONS
Model No./Parameter
GHxxD12xx
(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
POSITIVE Enable Logic
POSITIVE Control
1
NEGATIVE Control
Source or Sink current
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
VDC
VDC
mA
9.4
9.2
18
24
37
GHxxD24xx
(Vin = 18 - 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
+18
+1.8
1.0
17.8
17.2
36
48
76
GHxxD48xx
(Vin = 36 - 75V)
35.6
35
10
24
37
GHxxD24Wxx
(Vin = 10 - 36V)
9.4
9.2
18
48
76
GHxxD48Wxx
(Vin = 18 - 75V)
Input Current
Enable (On/Off)
Control
1
17.8
17.2
8
+2.4
0
Floating = POSITIVE Control
ACON, INC.
www.aconinc.com
GHD
p. 3 of 18
Dec. 12, 2011
50W:
OUTPUT SPECIFICATIONS:
Parameter
Output Voltage
Output Current
Line Regulation
Load Regulation
1
±12V Output
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
-12V
+12V
+12V
Condition/Description
Input Voltage = Nom
Output Current = Balanced Loads, Max
Baseplate Temperature =< +90°C
Input Voltage = Min to Max
Output Current = Balanced Loads, Max
Input Voltage = Nom, Current = Min to Max
Please see regulation curves on p.6
Ripple
Spike (20MHz B.W.)
Ripple
Spike (20MHz B.W.)
Peak Deviation
Settling Time
Feedback Loop Voltage Clamp
Hiccup Mode Indefinite, Auto Recovery
Resistive Load
+11.88
-11.76
0
0
Min
+12.0
-12.0
Nom
Ripple & Noise
Transient Response
(75% - 100% step Load)
Over Voltage Protection
Short Circuit Protection
Start-Up
1
40
45
40
45
±120
100
+15
1.0
+12.12
-12.24
+3.0
-2.5
±0.2
±0.5
±0.5
±2.0
60
65
60
65
±150
120
Max
VDC
VDC
A
A
%
%
%
%
mVp-p
mVp-p
mVp-p
mVp-p
mV
µSec
VDC
mSec
Units
1.5
(+)12V min. load required for (-)12V regulation, please see regulation curves on page 6.
Output Ripple & Noise
(Measured with no external capacitor, 20MHz B.W.)
+12V
ACON, INC.
www.aconinc.com
-12V
GHD
p. 4 of 18
Dec. 12, 2011
50W:
Output Load Transient
(75% to 100% Step Load change)
±12V Output
+12V
Start-Up
(Resistive, Full Load)
+12V
-12V
ACON, INC.
www.aconinc.com
GHD
p. 5 of 18
Dec. 12, 2011
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