HEHB
High -Efficiency Half Brick
60 to 200 W Power
The HEHB family of Dc-Dc converters is designed for next-generation boards.
High-efficiency and industry-standard pinout simplify their use in telecommunications, data
processing and other high-performance applications.
Features:
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Output power: up to 200 W
High efficiency: up to 91%
Power density up to 91 W/in
3
Current density up to 12 A/in
2
Industry standard pinout and footprint
Adjustable output voltage
with industry standard trim equation
Designed to meet applicable NEBS standards
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General Specifications:
Input voltage range: 36 to 75 Vdc, 48 Vdc nominal
Fixed switching frequency: 250 kHz
Remote sense
Primary remote On/Off
Wide operating temperature range: -40°C to +100°C
Input to output isolation: 2000 V, 10 MΩ
Safety/Regulatory Certified:
cULus, CSA, CSA/US, TUV, KEMA (CB Scheme)
M
ODEL
S
UMMARY AND ORDERING CODE
Model Number
HEHB-70A-48V-1.5V
HEHB-70A-48V-1.2V
HEHB-65A-48V-1.8V
HEHB-60A-48V-2.5V
HEHB-50A-48V-3.3V
HEHB-40A-48V-5.0V
HEHB-40A-48V-3.3V
HEHB-40A-48V-2.5V
HEHB-40A-48V-1.8V
HEHB-30A-48V-5.0V
HEHB-30A-48V-3.3V
P
max
105 W
84 W
117 W
150 W
165 W
200 W
132 W
100 W
72 W
150 W
100 W
Iout
70 A
70 A
65 A
60 A
50 A
40 A
40 A
40 A
40 A
30 A
30 A
Vout
1.5 V
1.2 V
1.8 V
2.5 V
3.3 V
5.0 V
3.3 V
2.5 V
1.8 V
5.0 V
3.3 V
O
RDERING
E
XAMPLE FOR
M
AGNETEK
HEHB H
ALF
B
RICKS
Products
Family Code
HEHB
Rated
Output Current
Input
Voltage
Output
Voltage
Option1-
Remote On/Off Logic
Option 2-
Mechanical
Option 3-
PIN Length
Default→0.15”
1→0.25”
2→0.11”
30 A
48 V
5V
Default→Negative Logic
Default→Open Fram
40 A
3.3 V
P→Positive Logic
PL→Cold Plate
50 A
2.5 V
60 A
1.8 V
65 A
1.5 V
70 A
1.2 V
Example: HEHB-40 A-48 V-3.3 V-P-PL: Standard half brick with Positive Logic and Cold Plate options.
Contact Factory for availability of specific model configurations.
104
HEHB
High -Efficiency Half Brick
60 to 200 W Power
Mechanical drawings
DIMENSIONS ARE IN INCHES AND (MILLIMETERS)
TOLERANCE: x.xx in.
±0.02
in. (0.5 mm)
PINS 1-4, 6-8 are 0.04 in. (1.02 mm) dia.with 0.08 in. (2.03mm) dia. standoff shoulders
OPEN-FRAME VERSION
2.30
(58.42)
M3x0.5 (4x)
(THREAD LENGHT 8mm
FROM METAL PLATE)
METAL-PLATE VERSION
2.30
(58.42)
0.20
(5.08)
0.20
(5.08)
0.20
(5.08)
1.90
(48.26)
R0.08
(R2)
0.20
(5.08)
1.90
(48.26)
R0.08
(R2)
0.40
0.30
(10.16) (7.62)
0.40
0.30
(10.16) (7.62)
1
0.40
0.30
0.30
0.40
0.30
(10.16) (7.62) (7.62) (10.16) (7.62)
9
1
9
2.40
(60.96)
0.60
(15.24)
2.00
(50.80)
2.40
(60.96)
2.00
(50.80)
0.60
(15.24)
2
8
7
2
8
7
0.40
(10.16)
3
0.40
(10.16)
6
3
6
4
5
4
5
BOTTOM VIEW
ø0.04 (6x)
(ø1 (6x))
ø0.08 (2x)
(ø2 (2x))
BOTTOM VIEW
ø0.04 (6x)
(ø1 (6x))
ø0.08 (2x)
(ø2 (2x))
0.15
(3.81)
0.40
(10.16)
SIDE VIEW
SIDE VIEW
0.48
(12.3)
0.15
(3.81)
METAL PLATE
Pin
1
2
3
4
5
6
7
8
V i s i t
Nomenclature
Vin(-)
On/Off
Vin(+)
Vout(+)
S(+)
Trim
S(-)
Vout(-)
o u r
w e b s i t e
f o r
t h e
Description
Return terminal for the input bus
Primary remote enable/disable terminal, TTL compatible
Positive terminal for the input bus
Positive output terminal
Positive remote sense terminal
Remote output voltage trim terminal
Negative remote sense terminal
Dc Return terminal
m o s t
c u r r e n t
t e c h n i c a l
d a t a
0.40
0.30
0.30
0.40
0.30
(10.16) (7.62) (7.62) (10.16) (7.62)
105
Microcontroller MCU
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