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參數(shù)資料
| 型號： | DCH2812S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DC/DC CONVERTERS 5, 12, OR 28 VOLT INPUT |
| 中文描述： | DC / DC轉換5，12，或28伏的輸入 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 79K |
| 代理商： | DCH2812S |
B4-31
DCH SERIES
3 WATT
F
EATURES
–55°C to 100°C
4 to 6.5, 9 to 15, or
20 to 32 VDC input
Fully isolated
Output regulated from
input side
100 kHz typical switching
frequency
Topology –
Push-Pull DC/DC Converter
Up to 75% efficiency
No minimum load
Output capacitor suggested
MODELS
VDC O
UTPUT
DESCRIPTION
The DCH Series offers isolated, unregulated DC/DC converters
with up to 3 watts of output power in a low profile (0.350 max.) metal
package. Single and dual output models are available with input
voltages of 5, 12, or 28 VDC. DCH Series converters operate over
a –55°C to +100°C temperature range.
DCH Series converters use a non-saturating core circuit operating
at a frequency of approximately 100 kHz, which reduces reflected
input ripple and minimizes EMI/RFI problems. For applications
requiring MIL-STD-461C, CEO3, reflected input ripple levels, refer
to Section B5 or contact your Interpoint representative for matching
EMI filters.
Figure 1 shows a standard connection scheme for a dual output
model. Users may also elect to use a dual output device to provide
a single output at double the rated output voltage. The double
voltage connection is achieved by leaving the normal output
common pin (Pin 15) unconnected and using either the positive or
negative Vout pin for the output common connection.
On all DCH Series models, a tantalum capacitor with a minimum
value of 22 μF and an appropriate voltage rating should be
connected between the output common and the output line(s) to
minimize output ripple.
SINGLES
5
12
28
DUALS
±12
±15
±28
DC/DC C
ONVERTERS
5, 12,
OR
28 V
OLT
I
NPUT
Output Current vs Output Voltage
DCH2805S
F
IGURE
3
NOutput
28 V
Load
Load
+
+
Input
Positive
Positive
Output Common
Efficiency
DCH2805S
F
IGURE
2
Efficiency
DCH1215D
F
IGURE
4
Output Current vs Output Voltage
DCH1215D
F
IGURE
5
Size (max.): 0.975 x 0.800 x 0.350 inches (24.77 x 20.32 x 8.89 mm)
See section B8, case A3, for dimensions.
Weight:
20 grams typical
Screening:
Standard or ES. See Section C2 for screening options,
see Section A5 for ordering information.
F
IGURE
1:
D
UAL
DCH C
ONVERTER
WITH
E
XTERNAL
C
APACITORS
Typical Performance Curves: 25°C Tc ,nominal Vin
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DCH2812S/ES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC/DC CONVERTERS 5, 12, OR 28 VOLT INPUT |
| DCH2815D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC/DC CONVERTERS 5, 12, OR 28 VOLT INPUT |
| DCH2815D/ES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC/DC CONVERTERS 5, 12, OR 28 VOLT INPUT |
| DCH2850S | 制造商:INTERPOINT 功能描述: |
| DCH3 | 制造商:EMERSON-NETWORKPOWER 制造商全稱:Emerson Network Power 功能描述:Switching wallmount power supply |
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