Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC/DC Converters
28 VOLT INPUT – 15 WATT
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
SINGLE OUTPUT MODELS
MHF+2812S
MHF+2815S
MHF+2828S
PARAMETER
CONDITION
MIN TYP MAX
MIN TYP MAX
MIN TYP MAX
UNITS
VDC
A
OUTPUT VOLTAGE
11.88 12.00 12.12
14.85 15.00 15.15
27.72 28.00 28.28
OUTPUT CURRENT
OUTPUT POWER
V
V
= 16 to 40 VDC
= 16 to 40 VDC
0
0
—
—
1.25
15
0
0
—
—
1.00
15
0
0
—
—
0.54
15
IN
IN
W
OUTPUT RIPPLE
VOLTAGE
LINE REGULATION
LOAD REGULATION
INPUT VOLTAGE
NO LOAD TO FULL
10 kHz - 2 MHz
—
—
—
—
16
—
30
50
5
20
28
—
80
120
50
—
—
—
—
16
—
30
50
5
20
28
—
80
120
50
—
—
—
—
16
—
60
120
mV p-p
Tc = –55°C to +125°C
Vin = 16 to 40 VDC
NO LOAD TO FULL
CONTINUOUS
100 180
50
50
28
—
150
150
40
mV
mV
VDC
V
50
50
40
50
40
50
TRANSIENT 50 ms
50
INPUT CURRENT
NO LOAD
FULL LOAD
—
—
—
—
—
78
25
50
—
—
—
—
—
78
25
62
—
—
—
—
—
82
25
60
680 752
670 752
640 760
mA
INHIBITED
5
12
80
120
—
5
12
80
120
—
5
12
80
120
—
INPUT RIPPLE
CURRENT
10 kHz - 10 MHz
Tc = –55°C to +125°C
35
—
79
35
—
80
35
—
84
mA pp
%
EFFICIENCY
LOAD FAULT
1
SHORT CIRCUIT
POWER DISSIPATION
—
—
3.5
7.5
6
30
—
—
3.5
7.5
6
30
—
—
3.5
7.5
6
30
W
ms
2
RECOVERY
STEP LOAD RESP.
STEP LINE RESP.
START-UP
50% – 100% – 50%
TRANSIENT
–500 150 500
150 300
–600 200 600
150 300
–800 600 800
200 400
mV pk
μs
2
RECOVERY
—
—
—
16 – 40 – 40 VDC
3
2
TRANSIENT
–800 550 800
–800 550 800
–1200 1100 1200
mV pk
ms
ms
RECOVERY
—
0
0.8
10
1.2
25
—
0
0.8
10
1.2
25
—
0
0.8
10
1.2
25
DELAY
OVERSHOOT
4
0
200 1200
0
200 1500
0
200 280
mV pk
Notes
1. Indefinite short circuit protection not guaranteed above 125°C
(case)
3. Input step transition time >10 μs.
4. Input step transition time <100 μs.
2. Recovery time is measured from application of the transient to point
at which Vout is within regulation.
www.craneae.com
Page 9 of 20
Rev K - 20060613
CRANE [ Crane Aerospace & Electronics. ]
