50W Triple:
3.3V/±10V,
±12V, ±15V;
5.0V/±10V,
±12V, ±15V
Input Voltage Range:
9-20V, 18-36V, 36-75V & 9-36V, 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
DH50T12033-10
DH50T24033-10
DH50T48033-10
DH50T24W033-10
DH50T48W033-10
DH50T12033-12
DH50T24033-12
DH50T48033-12
DH50T24W033-12
DH50T48W033-12
DH50T12033-15
DH50T24033-15
DH50T48033-15
DH50T24W033-15
DH50T48W033-15
DH50T1205-10
DH50T2405-10
DH50T4805-10
DH50T24W05-10
DH50T48W05-10
DH50T1205-12
DH50T2405-12
DH50T4805-12
DH50T24W05-12
DH50T48W05-12
DH50T1205-15
DH50T2405-15
DH50T4805-15
DH50T24W05-15
DH50T48W05-15
1
2
Input
mVp-p
2
Regulation
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
Vout
(Volts)
Iout
(A, max)
Power
(Watt)
1
Ripple
Iin
(mA)
3
Eff.
(%)
4
min.
85
86
85
86
85
86
87
86
87
86
87
88
87
88
87
85
86
85
86
85
86
87
86
87
86
87
88
87
88
87
Options
typ.
87
88
87
88
87
88
89
88
89
88
89
90
89
90
89
87
88
87
88
87
88
89
88
89
88
89
90
89
90
89
C, MC
70
60
50
60
50
70
60
50
60
50
70
60
50
60
50
70
60
50
60
50
70
60
50
60
50
70
60
50
60
50
3.3
+10
-10
9.0
+1.5
-1.5
50
60
40
55
65
45
24
48
24
48
12
3.3
+12
-12
9.0
+1.25
-1.25
50
50
65
50
55
75
55
24
±0.2
±0.5
48
24
48
12
3.3
+15
-15
9.0
+1.0
-1.0
50
70
50
55
80
55
24
48
24
48
12
5.0
+10
-10
6.0
+1.5
-1.5
40
60
40
45
65
45
24
48
24
48
12
5.0
+12
-12
6.0
+1.25
-1.25
50
40
65
50
45
75
55
24
±0.2
±0.5
48
24
48
12
5.0
+15
-15
6.0
+1.0
-1.0
40
70
50
45
80
55
24
48
24
48
Total max. output power.
Max. +V1/+V2,-V3 ripple and noise; measured without external capacitor, 20MHz B.W.
3
No load input current.
4
Nominal line voltage and full load.
ACON, INC.
www.aconinc.com
DHT
p. 1 of 29
Dec 27, 2011
50W Triple:
3.3V/±10V,
±12V, ±15V;
5.0V/±10V,
±12V, ±15V
BLOCK DIAGRAM:
Indefinite
Short-Circuit
Protection
Over-Voltage
Protection
Over-Load
Protection
Opto Isolation
Error
Amplifier
Regulator
Dropout
Low
Input Voltage Range:
9-20V, 18-36V, 36-75V & 9-36V, 18-75V
(+)Vin 3
4 (+)V2
5 Com
6 (-)V3
7 (+)V1
(-)Vin 2
Interleaved
Controller
Over-Temp.
Protection
Undervoltage
Lockout
PWM
1. V1 & V2 are individually regulated
2. V3 is regulated with low drop reg.
Enable 1
Enable
Control
*V1 is isolated from +V2/-V3
8 (-)V1
9 V1 trim
Opto Isolation
Error
Amplifier
INPUT SPECIFICATIONS:
Model No./Parameter
DH50T12033-xx
DH50T1205-xx
(Vin = 9 - 20V)
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Input Voltage Range (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
9
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
8.8
8.2
18
24
37
DH50T24033-xx
DH50T2405-xx
(Vin = 18 - 36V)
9.0
8.8
36
50
18
17.6
75
100
36
35.6
36
50
9.0
8.8
75
100
18
17.6
10
+18
+1.8
1.0
17.8
17.2
36
48
77
DH50T48033-xx
DH50T4805-xx
(Vin = 36 - 75V)
35.6
35
9
24
37
DH50T24W033-xx
DH50T24W05-xx
(Vin = 9 - 36V)
8.8
8.2
18
48
77
DH50T48W033-xx
DH50T48W05-xx
(Vin = 18 - 75V)
Input Current
Enable (On/Off)
Control
1
17.8
17.2
8
+2.4
0
Enable Pin Floating = POSITIVE Control.
ACON, INC.
www.aconinc.com
DHT
p. 2 of 29
Dec 27, 2011
3.3V,
±10V
Output
OUTPUT SPECIFICATIONS:
Parameter
Output Voltage
3.3V
+10V
-10V
3.3V
+10V
-10V
3.3V
3.3V
+10V
-10V
3.3V
+10V
-10V
3.3V
Ripple & Noise
3
+10V
-10V
Transient Response:
75-100-75% step Load
Over Voltage Protection
3.3V
+10V
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Vin = Nom, Iout = Min to Max
Vin
1
= Nom, Iout
2
= Min to Max
Balanced Loads on
±10V
1
2
Condition/Description
Output Current
Output Trim
Line Regulation
Baseplate Temperature =< +90°C
(Total Output Power 50W max.)
Trim Up (Trim resistor to trim & (-)3.3V pin)
Trim Down (Trim resistor to trim & (+)3.3V pin)
Vin = Min to Max, Iout = Max
Vin = Nom, Iout = Min to Max
Please See Cross Regulation Curves on P. 6
Ripple
Spike(20MHz B.W.)
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
Resistive Load
3.20
+9.90
-9.90
0
0
0
3.25
Min
3.30
+10.0
-10.0
+1.5
Nom
3.40
+10.10
-10.10
9.0
+2.0
-1.5
3.60
±0.2
±0.2
±0.5
±0.5
±0.5
±2.0
50
55
60
65
40
45
±70
150
±70
120
Max
Load Regulation
3.3V
+10V
Short Circuit Protection
Start-Up
30
30
40
45
25
40
±50
100
±50
100
4.3
+13
20
VDC
VDC
VDC
A
A
A
V
V
%
%
%
%
%
%
mVp-p
mVp-p
mVp-p
mVp-p
mVp-p
mVp-p
mV
µSec
mV
µSec
VDC
VDC
mSec
Units
25
Input Voltage.
Output Current.
3
Measured without Extenal Capacitor.
1
2
ACON, INC.
www.aconinc.com
DHT
p. 3 of 29
Dec 27, 2011
3.3V/±10V Output
Output Ripple & Noise
(Measured with no external capacitor, 20MHz B.W.)
Start-Up
(Resistive, Full Load)
3.3V
3.3V
+10V
+10V
-10V
ACON, INC.
www.aconinc.com
-10V
DHT
p. 4 of 29
Dec 27, 2011
3.3V/±10V Output
Output Load Transient
(75% to 100% Step Load change)
3.3V
+10V
Efficiency Curves
95
90
85
(Measured @ Baseplate Temp < 50°C)
95
90
85
80
Efficiency (%)
Efficiency (%)
80
75
70
65
60
55
50
0
1.8
3.6
5.4
75
70
65
60
Vin = 12V
Vin = 24V
Vin = 48V
7.2
9.0
55
50
0
±0.3
±0.6
±0.9
Vin = 12V
Vin = 24V
Vin = 48V
±1.2
±1.5
3.3V
Load Current (A)
±10V
Load Current (A)
ACON, INC.
www.aconinc.com
DHT
p. 5 of 29
Dec 27, 2011
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