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參數(shù)資料
| 型號(hào)： | MSM283R3S |
| 廠商： | CRANE ELECTRONICS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | DC/DC CONVERTERS 28 VOLT INPUT |
| 中文描述： | 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 51.10 X 51.10 MM, 7.90 MM HEIGHT, SMT-10 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 323K |
| 代理商： | MSM283R3S |
1
MSM SERIES
5 WATT
F
EATURES
–55°C to +125°C operation
16 to 40 VDC input
Surface mountable
Will withstand solder reflow
Transient protection up to 80V/120 ms,
meets MIL-STD-704A requirements
Inhibit function
Fully isolated
Ultra-wide bandwidth magnetic feedback
Up to 82% efficiency
Indefinite short circuit protection
Undervoltage shutdown below 10 Vin
DESCRIPTION
The MSM Series of DC/DC converters delivers up to 5 watts in a
surface mountable package. The use of commercially available
discrete components, printed wiring board construction, and surface
mount technology keep costs low. Mature design technology and
severe derating maintain high-reliability, providing full power opera-
tion over the full military temperature range of –55 to +125°C.
Output voltages of 3.3, 5, 5.2, 12, 15, ±12, or ±15 operate from an
input range of 16 to 40 VDC. Operation below 16 volts is possible at
reduced power while still maintaining output regulation. The
converters are rated for input transients up to 80 V for up to 120
milliseconds which meets the requirements for MIL-STD-704A.
C
ONVERTER
D
ESIGN
The converters incorporate a flyback topology with a constant
frequency to minimize EMI and noise. The pulse-width-modulator is
constructed of discrete devices to allow to the use of mature tech-
nologies and assure operation over the full temperature range. A
proprietary magnetic isolator, designed with feed-forward and load
correction, provides nearly instantaneous output control for good
output regulation.
I
NHIBIT
F
UNCTION
MSM Series converters provide a TTL open collector-compatible
inhibit feature that can be used to disable internal switching and
inhibit the unit’s output. Inhibiting in this manner results in low
standby current, and no generation of switching noise.
The converter is inhibited when the TTL compatible low (
≤
0.8 V) is
applied to the inhibit pin. The unit is enabled when the pin, which is
internally connected to a pull-up resistor, is left unconnected or is
connected to an open collector gate. The open circuit output voltage
associated with the inhibit pin is 9 to 11 V. In the inhibit mode, a
maximum of 0.5 mA must be sunk from the inhibit pin.
P
ROTECTION
F
EATURES
Undervoltage lockout prevents the MSM Series converters from
operating below approximately 10 VDC input. This circuitry can
prevent system shutdown problems in starting “constant power”
devices at low input voltages. All models include a soft-start function
to prevent large current draw and minimize overshoot under all load
and line conditions. The MSM Series of converters also provide
short circuit and overload protection. Short circuit internal dissipation
is lower than the internal dissipation which occurs during full load
conditions.
S
URFACE
M
OUNTABLE
P
ACKAGING
The MSM Series of DC/DC converters can be surface mounted or
hand-soldered. Maximum reflow temperature for surface mounting
the MSM converter is 230°C for a maximum of 30 seconds. SN60,
62, or 63 are the recommended types of solder. Hand soldering
should not exceed 300°C for 10 seconds per pin.
DC/DC C
ONVERTERS
28 V
OLT
I
NPUT
Size (max.):
Weight:
2.01 x 2.01 x 0.312 inches (51.1 x 51.1 x 7.9 mm)
20 grams maximum
MODELS
VDC O
UTPUT
SINGLES
3.3
5
12
15
DUALS
±12
±15
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相關(guān)代理商/技術(shù)參數(shù) |
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| MSM2SGGF0 | 制造商:Hubbell Premise Wiring 功能描述: |
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