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USQ-1.2/40-D48N Datasheet

  • USQ-1.2/40-D48N

  • DC to DC Converter

  • 15頁(yè)

  • ETC

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廬
廬
INNOVATION and EXCELLENCE
Single Output
USQ 40A Models
High-Current, Quarter-Brick
40 Amp, DC/DC Converters
Features
To 40 Amperes Output Current
Low-pro鏗乴e, industry standard
quarter-brick package and pinout;
1.45" x 2.28" x 0.40"
24V and 48V nominal inputs
Output Voltages: 1.2/1.5/1.8/2.5/3.3V
Outstanding ef鏗乧iency: 89%
Full synchronous-recti鏗乪r topology
110mVp-p noise
Fast transient response (200碌sec to 1%)
Impressive 鹵0.05% line/load regulation
Fully isolated, 1500Vdc guaranteed
Fully I/O protected; Thermal shutdown
Remote On/Off control
Output trim and sense functions
UL1950/EN60950 approvals, HALT
tested, EMI compliant
An unrivaled combination of power, size, long-term reliability and affordable cost
de鏗乶es DATEL鈥檚 new 40 Ampere output series Quarter-Bricks. By exploiting a fully
synchronous forward topology and the newest available components, the USQ 40A
model converters achieve an 89% ef鏗乧iency. The extremely high ef鏗乧iency enables
these units to reliably deliver up to 40 Amps of output power from a low-height
pro鏗乴e, industry-standard 鈥渜uarter-brick鈥?format package (1.45" x 2.28" x 0.40") with
aluminum baseplate and open-to-air鏗俹w shell. The USQ 40A models are a pin-
compatible, high-current, companion product family to DATEL鈥檚 USQ 30A and 20A
families, and the ULQ Series 10A and 15A family of quarter bricks.
Additional features include output noise of 110 millivolts, 鹵0.05% line/load regu-
lation maximum, and quick transient response (200碌sec to 鹵1%). Device functionality
includes remote on/off control (positive or negative polarity), and output trim (+10%,
鈥?0%), sense function, and nominal input ranges of 24V (18-36V) and 48V (36-75V).
In order to safeguard both the power converter and its load, USQ 40A models,
offers the most extensive I/O protection including input undervoltage lockout, and
reverse-polarity protection, as well as output overvoltage protection, current limiting,
short-circuit protection (鈥渉iccup鈥?technique), and thermal shutdown (and optional
input overvoltage lockout).
The USQ 40A Series are designed to meet the BASIC insulation requirements of
UL1950 and EN60950. The 鈥淒48鈥?models carry the CE mark. Safety certi鏗乧ations, as
well as EMC compliance testing and quali鏗乧ation testing (including HALT), have been
successfully completed. Contact DATEL for the latest information.
+SENSE
(7)
+V
OUT
(8)
+V
IN
(3)
SWITCH
CONTROL
鈥揤
OUT
(4)
鈥揤
IN
(1)
鈥揝ENSE
(5)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
V
OUT
TRIM
(6)
INPUT UNDERVOLTAGE, INPUT
OVERVOLTAGE, AND OUTPUT
OVERVOLTAGE COMPARATORS
REMOTE
ON/OFF
CONTROL*
(2)
* Can be ordered with positive (standard) or negative (optional) polarity.
Figure 1. Simpli鏗乪d Schematic
DATEL, Inc., Mans鏗乪ld, MA 02048 (USA) 路 Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 路 Email: sales@datel.com 路 Internet: www.datel.com

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