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參數資料
| 型號： | LQN-5/45-D12MH |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/9頁 |
| 文件大小： | 574K |
| 代理商： | LQN-5/45-D12MH |
Single Output
LQN D12 Models
Features
Non Isolated, 12VIN, 0.8-5VOUT
45-50 Amp, -Brick DC/DC Converters
Figure 1. Simplied Schematic
INNOVATION and EXCELLENCE
■
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
The LQN D12 Series of non-isolated quarter bricks are ideal building blocks for
emerging, on-board power-distribution schemes in which isolated 12V buses deliver
power to any number of non-isolated, step-down buck regulators. LQN D12 DC/DC's
accept a 12V input (10.2V to 13.8V input range) and convert it, with the highest
efciency in the smallest space, to a 0.8, 1, 1.2, 1.5, 1.8, 2, 2.5, 3.3 or 5 Volt output
fully rated at 45-50 Amps.
LQN D12's are ideal POLPP's (point-of-use/load power processors) and they
typically require no external components. They occupy the standard quarter brick
board space (1.45" x 2.3") and come in either through-hole packages or surface-
mount packages with a prole of only 0.4" (0.5" including heatsink).
The LQN's best-in-class power density is achieved with a fully synchronous,
xed-frequency, 3-phase buck topology that delivers extremely high efciency (95%
for 5VOUT models), low noise (20mVp-p typ.), tight line/load regulation (±0.25%
max.), quick step response (70sec), stable no-load operation, and no output
reverse conduction.
The fully functional LQN's feature input over/undervoltage lockout, output over-
voltage and overcurrent detection, continuous short-circuit protection, overtempera-
ture protection, an output-voltage trim function, a remote on/off control pin, a sense
pin and a current share function (optional). High efciency enables the LQN D12's to
deliver rated output currents of 50 Amps at high ambient temperatures and minimal
air ow.
If your new system boards call for multiple supply voltages, check out the
economics of on-board 12V distributed power. If you don't need to pay for multiple
isolation barriers, DATEL's non-isolated LQN D12 brick's will save you money.
3-phase buck regulators for new
distributed 12V power architectures
12V input (10.2-13.8V range)
0.8/1/1.2/1.5/1.8/2/2.5/3.3/5VOUT@45-50A
Non-isolated, xed-frequency,
synchronous-rectier topology
-brick size, through hole or SMT
Current share/N+1 redundancy
±1% setpoint accuracy
Efciencies to 94% @ 45 Amps
Noise as low as 20mVp-p
Stable no-load operation
On/Off control, trim & sense functions
Output Overvoltage Protection
Input Over/Undervoltage lockout
Thermal shutdown
Designed to meet UL/EN/IEC60950
EMC compliant
Only one phase of three shown.
PRELIMINARY
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