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MHP270 SERIES
65 WATT
DC/DC C
ONVERTERS
Electrical Characteristics: 25°C Tc, 270 VDC Vin, 100% load, free run, unless otherwise specified.
DUAL OUTPUT MODELS
1
PARAMETER
OUTPUT VOLTAGE
MHP27005D
MIN
TYP
4.95
5.00
4.95
5.00
MHP27012D
MIN
TYP
11.88 12.00
11.88 12.00
MHP27015D
MIN
TYP
CONDITIONS
MAX
5.05
5.05
MAX
12.12 14.85 15.00
12.12
14.85 15.00
MAX
15.15
15.15
UNITS
+V
OUT
–V
OUT
VDC
OUTPUT CURRENT
2
OUTPUT POWER
2
V
IN
= 160 TO 400 VDC
V
IN
= 160 TO 400 VDC
10 kHz - 2 MHz
0
±5
8.0
0
±2.5
4.0
0
±2.16
3.46
A
0
—
50
0
—
60
0
—
65
W
OUTPUT RIPPLE
VOLTAGE
± V
OUT
—
50
100
—
50
125
—
50
125
mV p-p
LINE REGULATION
V
IN
= 160 TO 400 VDC
± V
OUT
—
—
100
—
—
120
—
—
150
mV
LOAD REGULATION
3
NO LOAD TO FULL
± V
OUT
—
—
100
—
—
120
—
—
150
mV
CROSS REGULATION
4
EFFECT ON –V
OUT
CONTINUOUS
TRANSIENT
5
50 ms
NO LOAD
INHIBITED - INH1
INHIBITED - INH2
—
—
1000
—
—
800
—
—
750
mV
INPUT VOLTAGE
160
270
400
160
270
400
160
270
400
VDC
0
—
—
—
—
—
—
—
450
20
10
15
0
—
—
—
—
—
—
—
450
20
10
15
0
—
—
—
—
—
—
—
450
20
8
15
V
INPUT CURRENT
mA
mA
INPUT RIPPLE
CURRENT
10 kHz - 10 MHz
—
—
45
—
—
45
—
—
45
mA p-p
EFFICIENCY
LOAD FAULT
6
BALANCED LOAD
POWER DISSIPATION
SHORT CIRCUIT
V
OUT
50 %–100% LOAD
7
TRANSIENT
RECOVERY
8
74
—
—
81
—
—
82
—
—
%
—
—
—
—
8
—
—
—
—
7.5
±1.0
—
—
—
—
19
±1.5
W
V
±2.0
STEP LOAD
RESPONSE ± V
OUT
—
—
300
—
—
900
—
—
900
mV pk
—
—
500
—
—
500
—
—
500
μs
Notes
1. Share operation not characterized for dual outputs.
2. Up to 80% of the total output power (current) is available from either output
providing the opposite output is carrying 20% of the power (current) in use.
3. Assumes balanced loads on the outputs.
4. Effect on the negative output from 50%/50% loads to 70%/30% or 70%/30%
loads.
5. Unit will shut down above approximately 425V but will be undamaged
and will restart when voltage drops into normal range.
6. Indefinite short circuit protection not guaranteed above 125°C case.
7. Second output at 50%
8. Recovery time is measured from application of the transient to point at
which Vout is within 1% of final value.
RL
1
2
3
4
5
6
REMOTE SENSE CONNECTION
12
11
10
9
8
7
–
+
270 V
–
+
Inhibit
Sync In
Positive Input
Input Common
INH2
INH1
Sync Out
Sync In
Share
N/C
Pos. Sense
Sense Return
Output Common
Positive Output
F
IGURE
1: S
ENSE
C
ONNECTIONS
SINGLE OUTPUT MODELS CONNECTION DIAGRAM - SENSE
3