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| 型號(hào)： | 12D12.850NT |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大小： | 146K |
| 代理商： | 12D12.850NT |
A
20 Watt NT Dual Series DC/DC Converters
2401 Stanwell Drive Concord, California 94520 Ph: 925/687-4411 or 800/542-3355 Fax: 925/687-3333 www.calex.com Email: sales@calex.com
3
eco: 010403-2
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BOTTOM VIEW
SIDE VIEW
Applications Information
The 20 Watt NT Dual series like all CALEX converters carries
the full 5 year CALEX no hassle warranty. We can offer a five
year warranty where others can’t because with CALEX it’s
rarely needed.
General Information
The 20 Watt NT Dual series is mindful of battery operation for
industrial, medical control and remote data collection
applications. The remote ON/OFF pin places the converter in
a very low power mode that draws typically less than 3 mA
from the input source.
Full overload protection is provided by independent pulse-
by-pulse current limiting and an over-temperature shutdown
circuit. These protection features assure you that our 20 Watt
Dual will provide you with zero failure rate operation.
A fully five sided shielding, sealed, water washable case is
standard along with specified operation over the full commercial
temperature range of -40 to +90°C.
Mechanical tolerances unless otherwise noted:
X.XX dimensions: ±0.020 inches
X.XXX dimensions: ±0.005 inches
NOTES
*
All parameters measured at Tc=25°C, nominal input
voltage and full rated load unless otherwise noted.
Refer to the CALEX Application Notes for the definition
of terms, measurement circuits and other information.
(1)
Noise is measured per CALEX Application Notes. Measurement
bandwidth is 0-20 MHz for peak-peak measurements, 10 kHz
to 1 MHz for RMS measurements. Output noise is measured
with a 0.01F ceramic in parallel with a 1F tantalum located
1" away from the converter to simulate your boards standard
decoupling. Input reflected ripple is measured into a 1 H
source impedance.
(2)
To determine the correct fuse size, see CALEX Application
Notes.
(3)
The Case is tied to the -Input pin.
(5)
Short term stability is specified after a 30 minute warmup at full
load, constant line and recording the drift over a 24 hour period.
(6)
The transient response is specified as the time required to settle
from a 50 to 75 % step load change on one output (rise time of
step = 2 Sec) to a 1% error band.
(7)
Dynamic response is the peak overshoot during a transient as
defined in note 6 above.
(8)
The input ripple rejection is specified for DC to 120 Hz ripple with
a modulation amplitude of 1% of Vin.
(10) The functional temperature range is intended to give an additional
data point for use in evaluating this power supply. At the
low functional temperature the power supply will function with no
side effects,
however
sustained
operation
at
the
high
functional temperature will reduce expected operational life.
The data sheet specifications are not guaranteed over the
functional temperature range.
(11) The case thermal impedance is specified as the case temperature
rise over ambient per package watt dissipated.
(12) Load regulation is defined as the voltage change on either output
as the loads on both outputs are changed from 25% to 100% full
load at the same time.
(13) Cross regulation is defined as the change in one output when the
other output is changed from 25% to 100% full load.
(14) Specifications subject to change without notice.
*
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Note: On nominal 48Vin models UL recognition only applies up to 60 VDC
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