SMSA2805S データシートの表示（PDF） - Crane Aerospace and Electronics.
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SMSA2805S Datasheet PDF : 14 Pages
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Crane Aerospace & Electronics Power Solutions
SMSA Single and Dual DC/DC Converters
28 Volt input – 5 Watt - Pending Revision F Release
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
single output models
PARAMETER
CONDITIONS
OUTPUT VOLTAGE
TC = -55°C TO +125°C
OUTPUT CURRENT
TC = -55°C TO +125°C
Vin = 16 to 40 VDC
OUTPUT POWER
TC = -55°C TO +125°C
Vin = 16 to 40 VDC
OUTPUT RIPPLE
10 kHz - 2 MHz
LINE REGULATION
VIN = 16 TO 40 VDC
TC = -55°C TO +125°C
LOAD REGULATION
NO LOAD TO FULL
TC = -55°C TO +125°C
INPUT VOLTAGE
CONTINUOUS
NO LOAD TO FULL
TC = -55°C TO +125°C
TRANSIENT1 50 ms
INPUT CURRENT
INPUT RIPPLE
CURRENT
EFFICIENCY
LOAD FAULT1, 2
STEP LOAD
RESPONSE
STEP LINE
RESPONSE1, 3
START-UP3
NO LOAD
FULL LOAD
INHIBITED
10 kHz - 10 MHz
TC = -55°C TO +125°C
SHORT CIRCUIT
POWER DISSIPATION
RECOVERY
50% - 100% - 50%
TRANSIENT
RECOVERY1, 3
TRANSIENT
16 - 40 VDC
40 - 16 VDC
RECOVERY
16 - 40 VDC
40 - 16 VDC
DELAY
OVERSHOOT1
smsa2812s smsa2815s
MIN TYP MAX
MIN TYP MAX
11.88 12.00 12.12 14.85 15.00 15.15
— — 417 — — 333
—
—
5—
—
5
— 125 500 — 150 600
— 10 50 — 10 50
— 10 50 — 10 50
16 28 40 16 28 40
0
—
50 0
— 35 60 —
— 235 — —
—
3
5—
— 50 200 —
— 60 300 —
69 74 — —
—
50
35 60
235 —
3
5
50 200
60 300
74
—
— 1.2 1.9 — 1.2 1.8
—
1
10 —
1
10
— 300 750 — 400 1000
— 400 1000 — 400 1000
— 200 800 — 200 500
— 250 600 — 250 500
— 700 1300 — 500 1300
— 700 1300 — 500 1300
— 10 75 — 10 75
— 0 500 — 0 500
UNITS
VDC
mA
W
mV p-p
mV
mV
VDC
V
mA
mA p-p
%
W
ms
mV pk
µs
mV pk
µs
ms
mV pk
Notes
1. Guaranteed by design, not tested.
2. Indefinite short circuit protection not guaranteed above 125°C
(case).
3. Recovery time is measured from application of the transient to
point at which Vout is within 1% of Vout at final value.
www.interpoint.com
Page 7 of 14
Rev F - 20090318 - Pending Revision F Release
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