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| 型号： | ULQ-2/25-D24P |
| 厂商： | CD TECHNOLOGIES INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | 1.450 X 2.300 INCH, 0.350 INCH HEIGHT, QUARTER BRICK PACKAGE-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 566K |
| 代理商： | ULQ-2/25-D24P |
A SUBSIDIARY OF C&D TECHNOLOGIES
Single Output
ULQ Models
Features
Figure 1. Simplied Schematic
■
DATEL, Inc., Manseld, MA 02048 (USA) Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: sales@datel.com Internet: www.datel.com
Standard quarter-brick package/pinout
in through-hole or SMT version
Low cost; Low prole, 0.35" (8.9mm)
24V and 48V nominal inputs
Output current: 8 to 25 Amps
Output voltages: 1.2/1.5/1.8/2/2.5/3.3/5/12V
Interleaved synchronous-rectier topology
Ultra high efciency
No output reverse conduction
Outstanding thermal performance
On/off control, trim & sense functions
Fully isolated, 2250Vdc (BASIC)
Output overvoltage protection
Fully I/O protected;Thermal shutdown
UL/EN/IEC60950 safety approvals
Qual/HALT/EMI tested
–VIN
(1)
+VIN
(3)
OPTO
ISOLATION
PWM
CONTROLLER
REFERENCE &
ERROR AMP
INPUT UNDERVOLTAGE, INPUT
OVERVOLTAGE, AND OUTPUT
OVERVOLTAGE COMPARATORS
* Can be ordered with positive (standard) or negative (optional) polarity.
REMOTE
ON/OFF
CONTROL*
(2)
+SENSE
(7)
–SENSE
(5)
+VOUT
(8)
VOUT
TRIM
(6)
–VOUT
(4)
SWITCH
CONTROL
Low-Prole, Quarter-Brick
8-25 Amp Isolated DC/DC Converters
For applications requiring improved electrical and thermal perfomance at
reduced cost DATEL's new ULQ Series "Quarter-Brick" DC/DC Converters suit
perfectly. They measure just 1.45 x 2.30 x 0.35 inches (36.8 x 58.4 x 8.9mm) and t
the industry-standard footprint. You can also "pick-and-place" the ULQ-SMT version
optimizing your automated SMT process.
From an 18-36V or 36-75V input, ULQ's deliver outputs of 1.2, 1.5, 1.8, or 2V
fully rated at 15 or 25A, 2.5 or 3.3V at 15 or 20A, 5V at 15A and 12V at 8-10A. They
employ an interleaved, synchronous-rectier topology that exploits 100% of their duty
cycle. They simultaneously achieve ultra-high efciency (to 91%), tight line/load regu-
lation (±0.125/0.25%), low noise (25-70mVp-p), and quick step response (200sec).
A state of the art, single-board, open-frame design with reduced component
count, high efciency, low-on-resistance FET's, and planar magnetics embedded in
heavy-copper pc boards all contribute to impressive thermal derating.
The ULQ's feature set includes high isolation (2250Vdc), input pi lters, input
undervoltage shutdown, output overvoltage protection, current limiting, short-circuit
protection and thermal shutdown. The standard footprint carries on/off control (posi-
tive or negative polarity), output trim (+10/–20%) and output sense functions.
All ULQ quarter-bricks are designed to meet the BASIC-insulation requirements
of UL/EN/IEC60950 and they will carry the CE mark. Safety certications, EMC
compliance testing and qualication testing (including HALT) are currently in prog-
ress. Contact DATEL for latest updates.
Typical Unit
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