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
• Industry-standard half-brick
• Open-frame packaging
• 100°C baseplate operation
• Water washable
• “True-trim” option
• 1500V isolation
• Positive or negative logic
Efficiency vs. Load (24V Input)
95
90
85
80
75
70
65
HBS050YG-A
HBS050YH-A
HBS050YJ-A
Technical Specifications
Input
Voltage Range
24 VDC nominal
48 VDC nominal
Reflected Ripple
Input Reverse Voltage Protection
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
Notes
†
MTBF predictions may vary slightly from model to model.
60
10
20
30
40
50
60
70
80
90
100
LOAD %
18 - 36 VDC
34 - 75 VDC
25 mA
Shunt Diode
95
90
Efficiency vs. Load (48V Input)
±1%
±0.2% Vout
±0.2% Vout
0.5 VDC
10%, Iout Rated
25% Iout
4% Vout
500 ms
±10%
Hiccup
110 - 140%
115 - 140% Vout Nom.
Hiccup
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
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. SEP 10, 2003
Page 1 of 3
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
HBS033ZE-A
HBS050ZG-A
HBS050ZH-A
HBS050ZJ-A
NOTES:
24
24
24
24
24
48
48
48
48
48
18-36
18-36
18-36
18-36
18-36
34-75
34-75
34-75
34-75
34-75
3.50
2.30
3.60
3.50
3.50
1.32
1.22
1.80
1.75
1.75
3.3
3.3
5
12
15
3.3
3.3
5
12
15
15
10
10
4.2
3.3
15
10
10
4.2
3.3
100
100
100
150
150
100
100
100
150
150
80%
80%
84%
85%
86%
80%
80%
82%
85%
87%
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
Mechanical Drawing
2.28"
(57.9mm)
0.18"
(4.6mm)
MOUNTING INSERTS
M3X.5 THROUGH 4PL
5
6
1.400"(35.6mm)
1.000"(25.4mm)
0.700"(17.8mm)
0.400"(10.2mm)
0
-0.50"(-12.7mm)
DIA 0.040"
(1.0mm)
7PL
DIA 0.080"
(2.0mm)
2PL
1
2
2.40"
(61.0mm)
3
4
BOTTOM VIEW
8
9
1.900"
(48.3mm)
0
-0.19"
(-4.8mm)
0.025" REF.
(0.6mm)
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
0.50"
(12.7mm)
Tolerances
(Millimeters)
.X ± 0.5
.XX ± 0.25
7
± 0.05
(Dimensions as listed unless
otherwise specified.)
REV. SEP 10, 2003
Page 2 of 3
OPTIONS
This page is offered as a reference. Consult factory for actual availability of options. When ordering
equipment options, use the following suffix information. Select preferred option(s) and add the suffix to the
model number. Ordering option examples are located below the options table.
OPTION
Negative Logic
Lucent-Compatible Trim
Trim
Enable
Trim and Enable
SUFFIX
N
T
1
2
3
APPLICABLE SERIES
HAS, HBD, HBS, HES, HLS, HLD, LES,
QBS, QES, QLS, TES, TQD
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
REMARKS
TTL "Low" Turns Module ON
TTL "High" Turns Module OFF
Pin Length and Heatsink Options
0.110" (2.8mm) Pin Length
0.150" (3.8mm) Pin Length
0.24" (6.1mm) Horizontal Heatsink
0.24" (6.1mm) Vertical Heatsink
0.45" (11.4mm) Horizontal Heatsink
0.45" (11.4mm) Vertical Heatsink
0.95" (24.1mm) Horizontal Heatsink
0.95" (24.1mm) Vertical Heatsink
8
9
1H
1V
2H
2V
3H
3V
All Leaded Models
All Leaded Models
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
Standard Pin Length is 0.180" (4.6mm)
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Example Options:
HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent-compatible trim, and 0.95” vertical heatsink.
LES015YJ-3N = LES015YJ with optional trim and enable, negative logic.
QBS066ZG-AT8 = QBS066ZG-A with Lucent-compatible trim and 0.110” pin length.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not 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. SEP 10, 2003
Page 3 of 3
