MHV2805D CRANE [Crane Aerospace & Electronics.], MHV2805D Datasheet - Page 4

• Manufacturer Part Number: MHV2805D
• Description: MHV Single, Dual and Triple DC/DC Converters
• Manufacturer: CRANE [Crane Aerospace & Electronics.]

www.craneae.com
Notes
If calculated result is a negative value, the desired output voltage is outside the allowed trim range.
Calculated values of R
When trimming up, do not exceed the maximum output power.
When trimming down, do not exceed the maximum output current.
Trim down: R
Trim up:
MHV Single, Dual and Triple DC/DC Converters
T
are ±15%.
A
B
Formula Values by Model
R
V
o
T
T
3.3V
28V
3.7
10
= desired output voltage
(kΩ) =
(kΩ) =
Calculated Trim
3.7
5V
10
(
(
V
V
o nominal
o –
(V
12V
14
30
2.5A
V
o
o nominal
1
5
– 2.5)
TRIM – SINGLE OUTPUT MODELS ONLY
28 VOLT INPUT – 15 WATT
28V
Positive Input
Input Common
18.2
– V
15V
30
F
F
*The case ground connection should be as low an impedance as possible to minimize EMI.
Direct contact of baseplate to chassis ground provides the lowest impedance.
IGURE
IGURE
0
)
)
EMI FILTER
or FMH-461
FMC-461
–B
A – B
Rev D- 20060710
5: EMI F
4: T
Page 4 of 14
Output Common
3
Positive Output
YPICAL
10
1
9
2
ILTER
Positive Input
Inhibit (pin 8 on triple
Input Common
Sync In
Chassis Ground
C
2
4
ONNECTIONS
C
output models)
ONNECTION
Crane Aerospace & Electronics Power Solutions
Case*
MHV
MHV283R3S
MHV2805S
MHV2812S
MHV2815S
M
10 Input Common
ODEL
1
F
IGURE
Positive Input
Quick Reference Trim Table
OUTPUT
SINGLE
MHV
110
n/a
0.3
6: MHV S
18
8
MHV
6, 7, 8
3
106
36
20
19
21
R
% V
TRIM
COMMON
TRIM (
OUTPUT
OUT
102
128
122
INGLE
116
81
+V
O
R
(R
N
T
T
OMINAL
177
255
5
4
95
) k ohms
23
TRIM DOWN
4
O
TRIM UP
UTPUT
104
90
n/a
67
5
T
n/a
n/a
80
28
11
RIM