HBS50 DC-DC Series Data Sheet
50-Watt Half-Brick
EFFICIENCY %
Description
HBS dc-dc converters provide up to 50 watts of output
power in an industry-standard, half-brick footprint. The
HBS units feature excellent efficiency, Class A conducted
noise specs, and fixed switching frequency. The HBS,
using open-frame packaging, along with planar magnetics
provides maximum useable power with minimal thermal
constraints. The HBS Series is especially suited to
telecom, networking, and industrial applications.
Features
• RoHS lead solder exemption compliant
• Industry-standard half-brick
• Open-frame packaging
• 100 °C base plate operation
• Water washable
• “True-trim” option
• 1500 V isolation
• Positive or negative logic
Efficiency vs. Load (24V Input)
95
90
85
80
75
70
65
60
HBS050YG-A
HBS050YH-A
HBS050YJ-A
Technical Specifications
Input
Voltage Range
24 VDC nominal
48 VDC nominal
Reflected Ripple
Input Reverse Voltage Protection
18 - 36 VDC
34 - 75 VDC
25 mA
Shunt Diode
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
95
Output
Setpoint Accuracy
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Remote Sense Headroom
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Short Circuit / Overcurrent Protection
Current Limit Threshold Range, % of Iout Rated
OVP Trip Range
OVP
±1%
±0.2% Vout
±0.2% Vout
0.5 VDC
10%, Iout Rated
25% Iout
4% Vout
500
μs
±10%
Hiccup
110 - 140%
115 - 140% Vout Nom.
Hiccup
90
85
80
75
70
65
60
10
20
30
40
50
60
70
80
90
100
LOAD %
HBS050ZG-A
HBS050ZH-A
HBS050Z10.5-A
General
Turn-On Time
Remote Shutdown
Remote Shutdown Reference
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Thermal Shutdown Range
Vibration, 3 Axes, 5 Min Each
MTBF† (Bellcore TR-NWT-000332)
Safety
Weight (approx.)
10 ms
Positive or Negative Logic
Vin Negative
500 kHz
1500 VDC
1050 VDC
500 VDC
0.2%/°C
-40 to +100 °C
-40 to +125 °C
105 to 115 °C
5 g, 10 - 55 Hz
2.1 x 106 hrs
UL, cUL
2.5 oz
Notes
†
MTBF predictions may vary slightly from model to model.
Specifications typically at 25 °C, normal line, and full load, unless otherwise
stated.
Soldering Conditions: I/O pins, 260 °C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please consult
factory for specific model information.
Units are water-washable and fully compatible with commercial spray or
immersion post wave-solder washing equipment.
REV. FEB 10, 2006
Page 1 of 3
www.power-one.com
HBS50 DC-DC Series Data Sheet
50-Watt Half-Brick
Model Selection
MODEL
INPUT VOLTAGE
(VOLTS)
INPUT VOLTAGE
RANGE (VOLTS)
MAXIMUM INPUT
CURRENT (AMPS)*
OUTPUT
VOLTAGE (VOLTS)
RATED OUTPUT
CURRENT (AMPS)
RIPPLE & NOISE
pk-pk (mV)
TYPICAL
EFFICIENCY**
HBS050YE-A
HBS033YE-A
HBS050YG-A
HBS050YH-A
HBS050YJ-A
HBS050ZE-A
HBS050ZG-A
HBS050ZH-A
HBS050ZJ-A
NOTES:
24
24
24
24
24
48
48
48
48
18-36
18-36
18-36
18-36
18-36
34-75
34-75
34-75
34-75
3.50
2.30
3.60
3.50
3.50
1.32
1.80
1.75
1.75
3.3
3.3
5
12
15
3.3
5
12
15
15
10
10
4.2
3.3
15
10
4.2
3.3
100
100
100
150
150
100
100
150
150
80%
80%
84%
85%
86%
80%
82%
85%
87%
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
Model numbers highlighted in yellow or shaded are not recommended for new designs.
Mechanical Drawing
2.28"
(57.9mm)
MOUNTING INSERTS
M3X.5 THROUGH 4PL
0.18"
(4.6mm)
1
5
1.400"(35.6mm)
DIA 0.080"
(2.0mm)
2PL
2
2.40"
(61.0mm)
3
BOTTOM VIEW
(PIN SIDE)
6
7
8
1.000"(25.4mm)
0.700"(17.8mm)
0.400"(10.2mm)
4
9
0
DIA 0.040"
(1.0mm)
7PL
-0.50"(-12.7mm)
1.900"
(48.3mm)
0
-0.19"
(-4.8mm)
0.025" REF.
(0.6mm)
0.50"
(12.7mm)
SIDE VIEW
Thermal Impedance
Natural Convection
6.6 °C/W
100 LFM
5.7 °C/W
200 LFM
4.2 °C/W
300 LFM
3.1 °C/W
400 LFM
2.6 °C/W
Note:
Thermal impedance data is
dependent on many environmental
factors. The exact thermal
performance should be validated
for specific application.
Pin
1
2
3
4
5
6
7
8
9
Function
-Vin
Case
On/Off
+Vin
-Vout
-Sense
Trim
+Sense
+Vout
Inches:
.XX ± 0.020
.XXX ± 0.010
Pin:
± 0.002
HBS
Tolerances
(Millimeters)
.X ± 0.5
.XX ± 0.25
± 0.05
(Dimensions as listed unless
otherwise specified.)
REV. FEB 10, 2006
Page 2 of 3
www.power-one.com
OPTIONS
Ordering Information
Suffix Code Identification:
Series Applicability:
Features & Options
Remote ON/OFF
Trim
Pin Length
HAS, HBD, HBS, HES, QBS, QES, TES, TQD
Descriptions
Positive Logic
Negative Logic
Standard Power-One (Negative)
Industry-standard (Positive)
Suffix Code
None
N
None
T
0.18” (4.6mm), standard model length None
0.145” (3.68mm)
7
0.110” (2.8mm)
8
Customer-specific models
S#
Special Options
NOTE: Contact factory for availability of specific options.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical components
in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective
divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.
REV. FEB 10, 2006
Page 3 of 3
www.power-one.com
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