SMHF282R5S Datasheet, PDF (7/15 Pages) Interpoint Corporation Company – Fully qualified to Class H or K -55°C to +125°C operation 16 to 40 VDC input

Crane Aerospace & Electronics Power Solutions
SMHF Single and Dual DC/DC Converters
28 Volt input – 15 Watt
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
single output models
PARAMETER
CONDITIONS
OUTPUT VOLTAGE
TC = 25°C
OUTPUT CURRENT
Vin = 16 to 40 VDC
OUTPUT POWER
Vin = 16 to 40 VDC
OUTPUT RIPPLE
10 kHz - 2 MHz
TC = -55°C TO +125°C
LINE REGULATION
VIN = 16 TO 40 VDC
LOAD REGULATION
NO LOAD TO FULL
INPUT VOLTAGE
NO LOAD TO FULL
CONTINUOUS
TRANSIENT 120 ms¹
INPUT CURRENT
INPUT RIPPLE
CURRENT
EFFICIENCY
LOAD FAULT²
STEP LOAD
RESPONSE
STEP LINE
RESPONSE¹
START-UP
0 TO 28 VDC
CApACITIVE LOAD
NO LOAD
INHIBITED
10 kHz - 10 MHz
TC = -55°C TO +125°C
TC = 25°C
SHORT CIRCUIT
POWER DISSIPATION
RECOVERY^{1, 3}
50% - 100% - 50%
TRANSIENT⁴
RECOVERY³
16 - 40 -16 VDC
TRANSIENT⁴
RECOVERY³
DELAY
OVERSHOOT^{1, 4}
TC = 25°C
smhf2812s smhf2815s
MINTYP MAX MINTYP MAX
11.88 12.00 12.12 14.85 15.00 15.15
— — 1.25 — — 1.00
0
—
15 0
—
15
— 60 150 — 60 175
— 50 200 — 100 260
— 5 100 — 5 100
— 20 50 — 20 50
16 28 40 16 28 40
0
—
50 0
—
50
— 25 55 — 25 62
—
5
12 —
5
12
— 35 80 — 35 80
— — 120 — — 120
76 79 — 78 80 —
—
3.5
8—
3.5
8
— 7.5 30 — 7.5 30
-700 150 700 -800 200 800
— 150 1000 — 600 1200
-800 550 800 -800 550 800
— 0.8 1.2 — 0.8 1.2
— 10 25 — 10 25
— 200 1200 — 200 1500
— — 100 — — 100
UNITS
VDC
A
W
mV p-p
mV
mV
VDC
V
mA
mA p-p
%
W
ms
mV pk
µs
mV pk
ms
ms
mV pk
µF
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 the point at which Vout is within regulation.
4. Step transition time >10µs.
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Page 7 of 15
Rev D - 20070404