SMHF282R5S Datasheet, PDF (8/15 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.
DUAL output models
PARAMETER
CONDITIONS
OUTPUT VOLTAGE
OUTPUT CURRENT²
OUTPUT POWER²
+ V_OUT
- V_OUT
Vin = 16 to 40 VDC
Vin = 16 to 40 VDC
OUTPUT RIPPLE
± V_OUT
LINE REGULATION
V_IN = 16 TO 40 VDC
LOAD REGULATION
NO load TO FulL
CROSS REGULATION³
INPUT VOLTAGE
10 kHz - 2 MHz
TC = -55°C TO +125°C
BALANCED LOAD
BALANCED LOAD
+ V_OUT
- V_OUT
+ V_OUT
- V_OUT
EFFECT ON - V_OUT
CONTINUOUS
NO LOAD TO FULL
TRANSIENT 50 ms¹
INPUT CURRENT
INPUT RIPPLE
CURRENT
EFFICIENCY
LOAD FAULT⁴
STEP LOAD
RESPONSE⁶
BALANCED LOADS
NO LOAD
INHIBITED
10 kHz - 10 MHz
TC = -55°C TO +125°C
SHORT CIRCUIT
POWER DISSIPATION
RECOVERY^{1, 5}
50%TR-A1N0S0I%EN- _T570%
RECOVERY⁵
+ V_OUT
- V_OUT
SRTEESPPOLINNSEE₁
± V_OUT
START-UP
0 TO 40 V
CAPACITIVE LOAD
16 - 40 -16 VDC TRANSIENT⁷
RECOVERY⁵
DELAY
OVERSHOOT^{1, 7}
TC = 25°C
SMHF2805D SMHF2812D SMHF2815D
MINTYP MAX MINTYP MAX MINTYP MAX
4.95 5.00 5.05 11.88 12.00 12.12 14.85 15.00 15.15
4.92 5.00 5.08 11.82 12.00 12.18 14.78 15.00 15.23
— ±1.2 1.68 — ±0.625 0.875 — ±0.5 0.7
—
—
12 —
—
15 —
—
15
— 60 160 — 70 175 — 70 175
— 100 240 — 100 275 — 100 275
—
5
50 —
5
50 —
5
50
— — 100 — — 100 — — 100
— 20 50 — 20 50 — 20 50
— — 150 — — 150 — — 150
—
6
7.5 —
3
6—
3
6
16 28 40 16 28 40 16 28 40
—
—
50 —
—
50 —
—
50
— 20 50 — 25 50 — 25 50
—
6
12 —
5
12 —
5
12
— 30 80 — 40 80 — 40 80
— 60 120 — 55 120 — 55 120
75 77 — 76 81 — 76 82 —
—
3
6—
3
6—
3
6
— 7.5 30 — 7.5 50 — 7.5 50
-600 200 600 -600 300 600 -600 300 600
-600 150 600 -600 100 600 -600 100 600
— 150 500 — 200 500 — 200 600
-800 600 800 -750 550 750 -750 550 750
— 0.8 1.2 — 0.8 1.2 — 0.8 1.2
— 12 30 — 12 25 — 12 25
0 100 500 0 200 500 0 200 500
—
—
47 —
—
10 —
—
10
UNITS
VDC
A
W
mV p-p
mV
mV
%
VDC
V
mA
mA p-p
%
W
ms
mV pk
mV pk
µs
mV pk
ms
ms
mV pk
µF
Notes
1. Guaranteed by design, not tested.
2. Up to 70% of the total output power is available from either output providing the
opposite output is simultaneously carrying 30% of the total output power.Each
output must carry a minimum of 30% of the total output
power in order to maintain regulation on the negative output.
3. Effect on –Vout for the following conditions, percentages are of total power:
+Po = 50% to 10% and –Po= 50%, +Po = 50% and –Po= 50% to 10%
and from +Po = 70%/–Po= 30% to +Po = 30%/–Po= 70%
all conditions are referenced to the balanced loads condition: 50%/50%
4. Indefinite short circuit protection not guaranteed above 125°C (case)
5. Recovery time is measured from application of the transient to point at
which Vout is within regulation.
6. Response of either output with the opposite output held at half of the total output
power.
7. Step transition time >10µs.
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Rev D - 20070404