
B2-21
MFLHP SERIES
100 WATT
DC/DC C
ONVERTERS
Electrical Characteristics: –55°C to +100°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
DUAL OUTPUT MODELS
PARAMETER
OUTPUT VOLTAGE
Tc = 25°C
OUTPUT CURRENT
1
V
IN
= 19 TO 40 VDC
OUTPUT POWER
V
IN
= 19 TO 40 VDC
OUTPUT RIPPLE
VOLTAGE
MFLHP2805D
MIN
TYP
4.95
5.00
4.92
5.00
0
0
0
0
MFLHP2812D
MIN
TYP
11.88 12.00
11.82 12.00
0
0
0
0
MFLHP2815D
MIN
TYP
CONDITIONS
MAX
5.05
5.08
11.2
16.0
56
80
MAX
12.12 14.85 15.00
12.18
14.77 15.00
5.3
0
7.5
0
63
0
90
0
MAX
15.15
15.23
4.67
6.67
70
100
UNITS
+V
OUT
–V
OUT
VDC
EACH OUTPUT
TOTAL
EACH OUTPUT
TOTAL
10 kHz - 2 MHz
—
—
—
—
—
—
—
—
—
—
—
—
A
W
+V
OUT
–V
OUT
+V
OUT
–V
OUT
+V
OUT
–V
OUT
—
—
—
—
—
—
—
—
19
0
—
—
—
—
25
25
0
25
0
25
6
3
28
—
50
3.6
9
35
125
125
50
100
50
100
8
6
40
80
120
—
—
—
—
—
—
—
—
19
0
—
—
—
—
50
50
0
25
10
50
2
2
28
—
50
3.8
9
35
150
150
50
100
100
200
4
4
40
80
100
—
—
—
—
—
—
—
—
19
0
—
—
—
—
50
50
0
25
10
50
2
2
28
—
550
4.2
9
35
200
200
50
100
100
200
4
4
40
80
100
mV p-p
LINE REGULATION
V
IN
= 19 TO 40 VDC
LOAD REGULATION
NO LOAD TO FULL
CROSS REGULATION
Tc = 25°C
INPUT VOLTAGE
NO LOAD TO FULL
INPUT CURRENT
Tc = 25°C
mV
mV
SEE NOTE 2
SEE NOTE 3
CONTINUOUS
TRANSIENT
4
50 ms
NO LOAD
FULL LOAD
INHIBITED - INH1
INHIBITED - INH2
%
VDC
V
mA
A
14
70
14
70
14
70
mA
INPUT RIPPLE
CURRENT
EFFICIENCY 25°C Tc
LOAD FAULT
5
Tc = 25°C
10 kHz - 10 MHz
BALANCED LOAD
POWER DISSIPATION
SHORT CIRCUIT
RECOVERY
50 %–100%– 50% LOAD
TRANSIENT
RECOVERY
6
19 – 40 – 16 V
IN
TRANSIENT
7
RECOVERY
6
DELAY
OVERSHOOT
—
77
15
80
50
—
—
83
15
86
50
—
—
84
15
87
50
—
mA p-p
%
—
—
15
1.5
20
4.0
—
—
15
1.5
20
4.0
—
—
15
1.5
20
4.0
W
ms
STEP LOAD
RESPONSE ± V
OUT
—
—
350
1.5
450
3.0
—
—
450
1.5
700
3.0
—
—
450
1.5
700
3.0
mV pk
ms
STEP LINE
RESPONSE ± V
OUT
—
—
—
—
250
200
3.5
0
400
300
6
25
—
—
—
—
250
200
3.5
0
400
300
6
50
—
—
—
—
250
200
3.5
0
400
300
6
50
mV pk
μs
ms
mV p
START–UP
Notes
1. Up to 70% of the total output power is available from either output providing
the opposite output is simultaneously carrying 30% of the total power.
2. Effect on the negative output under the following conditions:
+P
30% to 70%; –P
70% to 30%
3. Effect on the negative output under the following conditions:
+P
out
50%; –P
out
10% to 50%
4. Unit will shut down above approximately 45V but will be undamaged and
will restart when voltage drops into normal range.
5. Indefinite short circuit protection not guaranteed above 100°C case.
6. Recovery time is measured from application of the transient to point at
which Vout is within 1% of final value.
7. Transition time
≥
10 μs.