50W Dual Isolated:
3.3V/5V,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
DH50D12033-05
DH50D24033-05
DH50D48033-05
DH50D12033-10
DH50D24033-10
DH50D48033-10
DH50D24W033-10
DH50D48W033-10
DH50D12033-12
DH50D24033-12
DH50D48033-12
DH50D24W033-12
DH50D48W033-12
DH50D12033-15
DH50D24033-15
DH50D48033-15
DH50D24W033-15
DH50D48W033-15
DH50D1205-10
DH50D2405-10
DH50D4805-10
DH50D24W05-10
DH50D48W05-10
DH50D1205-12
DH50D2405-12
DH50D4805-12
DH50D24W05-12
DH50D48W05-12
DH50D1205-15
DH50D2405-15
DH50D4805-15
DH50D24W05-15
DH50D48W05-15
1
2
Input
mVp-p
3
Regulation
Line
Load
Noise
Vin
12
24
48
12
24
48
24
48
12
24
48
24
48
12
24
48
±0.2
±0.5
24
48
12
24
48
24
48
12
24
48
24
48
12
24
48
24
48
Range
9-20
18-36
36-75
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
9-20
18-36
36-75
9-36
18-75
Vout
(Volts)
1
Iout
(A, max)
8.0
6.0
Power
(Watt)
2
Ripple
Iin
(mA)
4
Eff.
(%)
5
min.
86
88
86
85
87
86
87
86
86
88
88
88
88
86
89
88
89
88
85
87
86
87
86
86
88
88
88
88
86
89
88
89
88
Options
typ.
88
90
88
86
88
87
88
87
87
89
89
89
89
87
90
89
90
89
87
89
88
89
88
88
90
90
90
90
88
91
90
91
90
C, MC
3.3
5.0
50
60
55
65
150
120
80
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
9.0
3.0
50
80
55
85
3.3
12
9.0
2.5
50
80
55
85
3.3
12
9.0
2.0
50
50
100
55
110
5.0
10
6.0
3.0
35
80
40
85
5.0
12
6.0
2.5
35
80
40
85
5.0
12
6.0
2.0
35
100
40
110
Outputs are isolated from each other and are independently regulated.
Total max. output wattage
3
Max. V1/V2 output ripple & noise, measured without external capacitor, 20MHz B.W.
4
No load input current.
5
Nominal line voltage and full load.
ACON, INC.
www.aconinc.com
DHD
p. 1 of 26
Dec. 27, 2011
50W Dual Isolated:
3.3V/5V,10V,
12V, 15V;
5.0V/10V,
12V, 15V
BLOCK DIAGRAM:
Indefinite
Short-Circuit
Protection
Over-Voltage
Protection
Over-Load
Protection
Opto Isolation
Error
Amplifier
Input Voltage Range:
9-20V, 18-36V, 36-75V & 9-36V, 18-75V
6 V2 Trim
4 (+)V2
5 (-)V2
(+)Vin 3
(-)Vin 2
Interleaved
Current
Mode
Controller
Over-Temp.
Protection
Undervoltage
Lockout
PWM
*V1 & V2 are individually regulated
and are isolated from each other.
7 (+)V1
8 (-)V1
Opto Isolation
Error
Amplifier
Enable 1
Enable
Control
9 V1 trim
INPUT SPECIFICATIONS:
Model No./Parameter
DH50D12xx-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
DH50D24xx-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
DH50D48xx-xx
(Vin = 36 - 75V)
35.6
35
9
24
37
DH50D24Wxx-xx
(Vin = 9 - 36V)
8.8
8.2
18
48
77
DH50D48Wxx-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
DHD
p. 2 of 26
Dec. 27, 2011
3.3V/5.0V Output
OUTPUT SPECIFICATIONS:
Parameter
Output Voltage
Output Current
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Condition/Description
Vin
1
= Nom, Iout
2
= Max
Baseplate Temperature =< +90°C
(Total Output Power 50W mac.)
Trim Up (Trim resistor to trim & -V1 pin)
Trim Down (Trim resistor to trim & +V1 pin)
Trim Up (Trim resistor to trim & -V2 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
Resistive Load
30
30
40
40
±50
100
±70
100
4.3
6.5
22
3.20
4.95
0
0
3.25
4.5
Min
Nom
3.30
5.00
Max
3.40
5.05
9.0
6.0
3.60
5.5
±0.2
±0.2
±0.5
±0.5
50
55
60
65
±70
150
±90
120
Output Trim
Line Regulation
Load Regulation
Ripple & Noise
3
Transient Response
(75 - 100% step Load)
Over Voltage Protection
3.3V
5.0V
Short Circuit Protection
Start-Up
VDC
VDC
A
A
V
V
V
V
%
%
%
%
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
Output Ripple & Noise
(Measured with no external capacitor, 20MHz B.W.)
3.3V
ACON, INC.
www.aconinc.com
5.0V
DHD
p. 3 of 26
Dec 27, 2011
3.3V/5.0V Output
Output Load Transient
(75% to 100% Step Load change)
3.3V
5.0V
Efficiency Curves
95
90
85
80
(Measured @ Baseplate Temp < 50°C)
95
90
85
80
Efficiency (%)
Efficiency (%)
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
1.2
2.4
3.6
Vin = 12V
Vin = 24V
Vin = 48V
4.8
6.0
3.3V
Load Current (A)
5.0V
Load Current (A)
ACON, INC.
www.aconinc.com
DHD
p. 4 of 26
Dec 27, 2011
3.3V/5.0V Output
Start-Up
(Resistive, Full Load)
3.3V
5.0V
Output Voltage Trim
Trim-Up Resistance (KΩ)
3.7
22
5.2
0.78
0
5.5
5.4
115
52
Trim-Up Resistance (KΩ)
32
21
15.3
11
8.2
6.0
4.3
2.9
Output Voltage (V)
Output Voltage (V)
10.2
4.2
1.2
0
3.6
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
3.5
3.4
3.3
3.2
4.5
115
52
29.5
19.2
12.9
8.8
5.8
3.5
1.85
0.5
Trim-Down Resistance (KΩ)
Trim-Down Resistance (KΩ)
3.3V Trim
5.0V Trim
ACON, INC.
www.aconinc.com
DHD
p. 5 of 26
Dec 27, 2011
京公网安备 11010802033920号
EEWORLD
