BIAS 1/2 Watt Power Supply
BPH 0.5 Series Data Sheet
Single (Vo) or Dual (Vo & Vr) output
BPH 0.5-08-00, -08-33, -08-50
BPH 0.5-14-00, -14-33, -14-50
The BPH is a revolutionary, micro-sized, drop-in switching power supply
module. It contains patented technology with unique features that
provide solutions for a wide range of applications, including low power
wireless and many other intelligent control devices.
The patented SMPS
topology is totally different from any other:
It's Quiet:
Switching is synchronized and occurs only 10% of the time, so
there is very little EMI / EMC interference with other circuits. This means no
extra filtering or shielding is needed, helping to achieve longer transmission
range with more reliable data communication in low power wireless
applications.
Features
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Actual Size
It's Powerful:
No power de-rating across the full wide temperature range.
No current limit design margin needed when selecting a module. Charge
large super caps faster than any regular SMPS with twice the power rating.
Bias Power AC/DC power supplies are available with two
It's Green:
High efficiency with ultra low standby power and very little self
generated heat make it ideal for intelligent devices such as smart-sensors,
The characteristics of the main (Vo) and auxiliary (Vr) outputs
smart-meters, smart-lighting, smart-grid, M2M or IoT , and any other control
are different and each has application-specific benefits which
can provide high value to the system designer:
applications.
different types of outputs to fit your applications…
Complies with CSA CAN3-C235-83
NO DE-RATING
across entire temperature
range (-30 to +70°C )
Universal Input (100-375 VAC, 50/60Hz)
Small Size—0.55in
3
[9.0cm
3
]
Low no-load input power <30mW
Constant power mode, not current limit
3000 VAC Isolation
EN 55022, Class B; FCC Part 15, Class B
Meets UL/CSA and EN Product Safety (ITE)
Operating Specifications
(@120VAC / 60 Hz / 25°C unless otherwise specified)
Electrical
Input Voltage Range
Input Surge Withstand
Output Power (Pmax)
Efficiency
Output Vo (Peak @100% load)
Line / Load Regulation Vo (Peak)
Temperature Regulation Vo (Peak)
Ripple Vo (@120 Hz)
(@ 100 kHz)
Output Vr, 3.3 volt (+/- 5%)
Output Vr, 5.0 volt (+/- 5%)
No-load Consumption
Isolation
Earth Leakage @ 120 VAC
Short Circuit Protection
Reliability @ 25° C, MIL HDBK-217F
Thermal
Operating Temperature
Operating Relative Humidity
Storage Temperature
Mechanical
Package Size
(L x W x H)
Safety
Safety Compliance
EMI Emissions
-30 to +70° C
0 – 95%, non-condensing
-40 to +105° C
1.10 x 0.92 x 0.55 inches
[27.94 x 23.24 x 13.97 mm]
UL/EN 60950-1 2
nd
Edition (CB Report Available)
Not intended for computer room use.
EN 55022, Class B, FCC Part 15, Class B
> 500 Khr MTBF
100 - 375 VAC (50/60Hz)
420V, < 30 sec
0.5 W (60Hz)
0.43 W (50Hz)
70% nom.
+/- 10% across operational voltage range
+/- 1% Po < Pmax
+/- 2% Po < Pmax
1.00 V p:p
0.25 V p:p
For Vo = 8V, Ir out 53mA max, Io+Ir ≤ 63mA*
For Vo = 14V, Ir out 23mA max, Io+Ir ≤ 36mA*
For Vo = 8V, Ir out 63mA max, Io+Ir ≤ 63mA*
For Vo = 14V, Ir out 28mA max, Io+Ir ≤ 36mA*
30 mW typical @ Vin=120 VAC
3000 VAC (meets UL / CSA & EN Product Safety)
< 10 uA
Continuous, Pin ≤ 0.6 w @ Vin = 120 VAC
Vo is a voltage-regulated output which has a constant power
mode instead of a conventional current limit. This output is
best suited as a source for isolated DC utility power, which may
be used directly or post-regulated with either a linear regulator
or a DC/DC converter.
Vo is self protecting, cannot be over-
loaded and can be shorted indefinitely.
So unlike design-your-
own, or partially complete modules where significant design
margin is required to stay far away from current limit,
there is
no need to oversize a Bias Power supply.
The graceful transi-
tion from voltage regulation to constant power along with the
wide range of product ratings allows the designer to select a
supply tightly matched to the design load.
Vr is also a voltage-regulated output and is thermally protected
from overload. It has very low output ripple capable of driving
elements which require a low-noise, tightly-regulated supply.
In addition, Vr is supplied internally by Vo. This means that any
capacitance added to Vo can increase the hold-up time of Vr as
well.
*Note: maximum currents specified for constant voltage range
only. See V-I curve on page 2 for Vo in constant power range.
www.biaspower.com
BPH 0.5 Series Data Sheet, Page
1 of 2
Revised 2/12/2014
Specifications subject to change
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