Embedded Power for
Business-Critical Continuity
AEH08U48
53V @ 7.55 A
Total Power:
400 Watts
Input Voltage: 48 V
# of Outputs: Single
Rev. 05.25.11_164
AEH08U48
1 of 2
Electrical Specifications
Input
Input ra nge
Efficiency
38 V to 60 V
94% @ 53Vo (at nominal conditions)
7.55 A max
0.2% Vo, (max)
100 mV (max)
150 mV (max)
Auto-restart
Output
Special Features
Output current
Line regulation
Load regulation
Noise/ripple
1
Over current limit
• High power converter
• High efficiency (94% Typical)
• Industry standard package
Half Brick 2.30” x 2.40”x
0.50”
• High capacitive load limit on
start-up
• Industry standard features:
Input UVLO, Output Enable,
Adjust, Differential Remote
Sense; OCP, OVP, OTP
• Reinforced Insulation
• EU directive 2002/95/EC
compliant for RoHS
Over temperature protection 125 °C average PCB temperature (autorecovery)
Switching frequency
400 kHz
Control
Enable
Isolation Voltage
Input to Output
TTL compatible (positive or negative enable logic)
2250Vdc max
Environmental Specifications
Operating ambient temperature range
Storage temperature
MTBF
-5 °C to +55 °C ambient
-55 °C to +125 °C
1.5 MHrs @ 40 °C
Safety
UL, cUL 60950-1
TUV
EN60950-1
Embedded Power for
Business-Critical Continuity
Ordering Information
Input
Voltage
Output Voltage
Output Current
Efficiency
2
Model Number
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Rev. 05.25.11_164
AEH08U48
2 of 2
38 - 60 V
53.0 V
7.55 A
94% Typ
AEH08U48(N)-(6)(A)(L)
Options:
(N) : “N” = designates Negative Logic Enable (default is Positive Enable with no suffix “N” required)
(6) : “-6” = 3.7mm nominal pin length (default is 5mm nominal pin length with no suffix “-6” required)
(L) : “L” = RoHS Compliant (RoHS 6)
without “L” = RoHS Compliant with Lead (Pb) in solder exemption (RoHS 5)
(A) : “A” = M2.5 screw clearance mounting holes non-threaded
(default is M3.0x0.5 threaded with no suffix “A” required)
Europe (UK)
Pin Assignments
Single Output
1. +Vin
2. Enable
3. Case Ground
4. -Vin
5. -Vout
6. -Sense
7. Trim
8. +Sense
9. +Vout
Mechanical Drawing
AEH08U48 Series
2.30 [58.4]
0.20 [5.1]
0.50 [12.7]
0.145 [3.68]
(TOL.±0.010[0. 254])
0.080Ø [2.0Ø] (2X)
Vin(+)
Vout(+)
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Asia (HK)
0.20 [5.1]
0.040Ø [1.0Ø] (7X)
2.40 [61.0]
2.00 [50.8]
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
For global contact, visit:
Vin(-)
Vout(-)
www.Emerson.com/EmbeddedPower
M3 X0.5 MOUNTING HOLE
4 PLACES (see options)
Notes:
1. Measured at 20 MHz bandwidth with external
0.1 mF ceramic capacitor in parallel with 2X
100 mF E-cap / 63 V rated placed across +Vout
and -Vout; 100 mF e-cap or equivalent placed
across +Vin and -Vin.
2. Efficiency measurements are typical values
taken at 48 V input, nominal output, full load
and T
A
= 25 °C.
3. All specifications are typical at nominal line, full
load and T
A
= 25 °C unless otherwise noted.
4. All specifications subject to change without
notice.
5. Mechanical drawings are for reference only.
Dimensions are in inches [millimeters].
Pin placement tolerance ± 0.005 [0.127].
Mechanical Tolerance ± 0.02 [0.5].
6. Technical Reference Notes should be consulted
for detailed information when available.
7. Warranty 2 years.
PIN SIDE DOWN
Mounting Hole Options
-6AL
Default
techsupport.embeddedpower
@emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
M2.5 clearance hole, non-threaded
M3.0 x 0.5 threaded
Emerson Network Power.
The global leader in enabling
business-critical continuity.
0.20 [5.1]
1.90 [48.2]
AC Power
Connectivity
0.50 [12.7]
0.50 [12.7]
0.90 [22.9]
1.50 [38.1]
1.90 [48.3]
E3
E6
E7
E2
E8
E4
E5
DC Power
1.20 [30.5]
1.50 [38.1]
1.90 [48.2]
0.90 [22.9]
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