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UHE-12/2500-Q12NRL2

Description
Analog Circuit,
File Size179KB,13 Pages
ManufacturerDATEL Inc.
Download Datasheet Parametric View All

UHE-12/2500-Q12NRL2 Overview

Analog Circuit,

UHE-12/2500-Q12NRL2 Parametric

Parameter NameAttribute value
Objectid103769014
package instruction,
Reach Compliance Codeunknown
YTEOL0
NEW
Wide-Input-Range
"Q" Models
®
®
INNOVATION and EXCELLENCE
Single Output
UHE Models
Isolated, High Efficiency, 1.6" x 2"
2-10 Amp, 12-30 Watt DC/DC's
Features
The most I
OUT
/P
OUT
in this format
Lower priced than bricks
Small 1.6" x 2" x 0.4" plastic package
with standard 2" x 2" pinout
Output configurations:
1.2/1.5/1.8/2.5V
OUT
@ 10 Amps
3.3/5V
OUT
@ 25 Watts
5/12/15V
OUT
@ 30 Watts
Five input ranges from 9-75 Volts
Efficiencies as high as 91.5%
Stable no-load operation
Optional Sense pins for low V
OUT
Thermal shutdown, I/O protected
1500 Vdc I/O BASIC Insulation
UL/EN60950 certified; CE marked
Housed in smaller, 1.6" x 2" x 0.40" (41 x 51 x 10.2mm) packages carrying the
standard 2" x 2" pinout, DATEL's new UHE Series DC/DC Converters deliver more
current/power (up to 10A/30W) than currently available from either package size.
The UHE 12-30W Series of high-efficiency, isolated DC/DC's provide output power
ranging from 10 Amps @ 1.2V to 2 Amps @ 15V. Offering both 2:1 and 4:1 input
voltage ranges, UHE's meet V
IN
requirements from 9 to 75 Volts.
Taking full advantage of the synchronous-rectifier, forward topology, UHE's boast
outstanding efficiency (some models exceed 91%) enabling full-power operation to
ambient temperatures as high as +60°C, without air flow. Assembled using fully
automated, SMT-on-pcb techniques, UHE's provide stable no-load operation, excel-
lent line (±0.1%) and load (±0.15%) regulation, quick step response (200µsec), and
low output ripple/noise (50-100mVp-p). Additionally, the UHE's unique output design
eliminates one of the topology's few shortcomings–output reverse conduction.
All devices feature full I/O fault protection including: input overvoltage and under-
voltage shutdown, precise output overvoltage protection (a rarity on low-voltage
outputs), output current limiting, short-circuit protection, and thermal shutdown.
All UHE models incorporate a V
OUT
Trim function and an On/Off Control pin
(positive or negative polarity). Low-voltage models (1.2V to 5V) offer optional sense
pins facilitating either remote load regulation or current sharing for true N+1 redun-
dancy. All models are certified to the BASIC insulation requirements of UL/EN60950,
and 48V
IN
(75V max.) models carry the CE mark.
+INPUT
(1)
+OUTPUT
(6)
SWITCH
CONTROL
+SENSE
(5)
THERMAL
SHUTDOWN
OPTO
ISOLATION
OVERVOLTAGE
COMPARATOR
–OUTPUT
(7)
–INPUT
(2)
–SENSE
(8)
PWM
CONTROLLER
UVLO & OVLO
COMPARATORS
ON/OFF
CONTROL
(4)
OPTO
ISOLATION
REFERENCE &
ERROR AMP
V
OUT
TRIM
(9)
Optional comparator feedback. Contact DATEL.
Sense pins are optional on 1.2-5V
OUT
models ("R" suffix).
Figure 1. Simplified Schematic
DATEL, Inc., Mansfield, MA 02048 (USA)
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356
Email: sales@datel.com
Internet: www.datel.com
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