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.
dual output models
PARAMETER
CONDITIONS
OUTPUT VOLTAGE
OUTPUT CURRENT2
OUTPUT POWER2
+ VOUT
- VOUT
TC = -55°C TO +125°C
Vin = 16 to 40 VDC
TC = -55°C TO +125°C
Vin = 16 to 40 VDC
OUTPUT RIPPLE
10 kHz - 2 MHz
LINE REGULATION
LOAD REGULATION
CROSS REGULATION3
INPUT VOLTAGE
VIN = 16 TO 40 VDC
TC = -55°C TO +125°C
+ VOUT
- VOUT
NO LOAD TO FULL
TC = -55°C TO +125°C
+ VOUT
- VOUT
+PO = 30–70%, -PO = 70–30%
-PO = 30–70%, +PO = 70–30%
CONTINUOUS
NO LOAD TO FULL
TRANSIENT1 50 ms
INPUT CURRENT
INPUT RIPPLE
CURRENT
EFFICIENCY
LOAD FAULT1, 4
STEP LOAD
RESPONSE
STEP LINE
RESPONSE1, 5
START-UP
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, 5
TRANSIENT
16 - 40 VDC
40 - 16 VDC
RECOVERY
16 - 40 VDC
40 - 16 VDC
DELAY
OVERSHOOT1
smsa2805D smsa2812D smsa2815D
MIN TYP MAX
MIN TYP MAX
MIN TYP MAX
4.95 5.00 5.05 11.88 12.00 12.12 14.85 15.00 15.15
4.9 5.0 5.1 11.76 12.00 12.24 14.70 15.00 15.30
— ±500 800 — ±208 333 — ±167 267
—
—
5—
—
5—
—
5
— — 300 — 80 300 — 120 300
— 20 100 — 20 100 — 10 50
— 40 200 — 40 200 — 40 180
— 10 120 — 10 120 — 10 50
— 100 400 — 100 400 — 50 200
—
5
8—
3.7
6—
3
6
16 28 40 16 28 40 16 28 40
—
—
50 —
—
50 —
—
50
— 30 50 — 40 63 — 38 60
— 248 — — 235 — — 235 —
—
3
5—
3
5—
3
5
— 50 200 — 50 200 — 50 200
— 60 300 — 60 300 — 60 300
65 70 — 67 73 — 68 73 —
— 1.3 2.1 — 1.3 1.7 — 1.3 1.6
— — 50 —
1
30 —
1
30
— ±200 ±550 — ±200 ±550 — ±200 ±600
— 200 500 — 200 500 — 200 500
— ±200 ±500 — ±200 ±500 — ±600 ±1500
— ±200 ±500 — ±200 ±500 — ±600 ±1500
— 300 750 — 300 750 — 500 1200
— 800 2000 — 800 2000 — 500 1200
— 10 30 — 10 30 — 10 25
— 0 500 — 0 500 — 0 500
UNITS
VDC
mA
W
mV p-p
mV
%
VDC
V
mA
mA p-p
%
W
ms
mV pk
µs
mV pk
µs
ms
mV pk
Notes
1. Guaranteed but not tested.
2. Up to 4 watts (80% of full power) is available from either output providing the oppo-
site output is carrying 20% of total power.
3. Shows regulation effect on the minus output during the defined cross loading condi-
tions, with 80% and 20% referring to the total output power of the converter. See
Figures 15 and 16.
4. Indefinite short circuit protection not guaranteed above 125°C (case).
5.
Recovery time
is within 1% of
is measured from application
Vout at final value.
of
the
transient
to
point
at
which
Vout
www.interpoint.com
Page 8 of 14
Rev F - 20090318 - Pending Revision F Release
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