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參數資料
| 型號： | DFA20E12S |
| 英文描述： | LED 7-SEG .56 3-DIGIT YELLOW CA |
| 中文描述： | 單輸出 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 1193K |
| 代理商： | DFA20E12S |
1
FEATURES
Remote ON/OFF and TRIM
Overcurrent Protection and Thermal Shutdown
Efficiencies to 83%
700V Isolation, Up to 1544V on 48V Converters
Power Density up to 11 Watts per Cubic Inch
Five-Side Shielded Case
Extended Range Input (2:1)
DFA20 SERIES
SINGLE OUTPUT
1
BOTTOM VIEW
2.02
(51.31)
SIDE VIEW
0
0
0
0.000
0.100
(2.54)
(
0.040 (1.02) DIA
6 PLACES
0
2.02
(51.31)
(
2
3
7
6
5
1
0
(0.700
(7.62)
(0.400
(0.300
0.51
(13.0)
(
(
NOTES
(1)
All parameters measured at Tc = 25°C, nominal input voltage and full rated load unless otherwise noted.
Refer to the Technical Reference Section for the definition of terms, measurement circuits and other
information.
The Case is tied to the -Input, Pin 2.
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 beyond the case operating range.
The case thermal impedance is specified as the case temperature rise over ambient per package watt
dissipated.
(2)
(3)
(4)
Mechanical tolerances unless otherwise noted:
X.XX dimensions: ±0.020 inches
X.XXX dimensions: ±0.005 inches
DESCRIPTION
The compact DFA20 Series provides power densities up to 11 watts
per cubic inch (0.67 watts per cm
3
). Ideal for battery operated
industrial, medical control and remote data collection systems, this
converter has fully filtered inputs and outputs. Complete overload
protection with independent pulse-by-pulse current limiting and an
overtemperature shutdown ensures reliable system operation. The
output of the converter is electrically isolated, thereby allowing the
output to be configured as a positive or negative output voltage.
Rev. 04/2000
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