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參數資料
| 型號： | LSM-2/10-D12 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SMT-6 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 660K |
| 代理商： | LSM-2/10-D12 |
+INPUT
(2)
COMMON
(3)
PWM
CONTROLLER
CURRENT
SENSE
REFERENCE &
ERROR AMP
VCC
ON/OFF
CONTROL
(1)
VOUT
TRIM
(5)
+OUTPUT
(4)
+SENSE
(6)
COMMON
(3)
Single Output
LSM-10A D12 Models
Features
Non-Isolated, 12VIN, 0.8-5VOUT
10 Amp DC/DC’s in SMT Packages
Figure 1. Simplied Schematic
LSM Series D12 SMT's (surface-mount packages) 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. LSM D12 DC/DC's
accept a 12V input (10.8V to 13.2V 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 10 Amps.
LSM D12's are ideal point-of-use/load power processors. They typically require
no external components. Their surface-mount packages occupy a mere 1.3" x 0.53"
(33.0 x 13.5mm), and are only 0.34 inches (8.6mm) high.
The LSM's best-in-class power density is achieved with a fully synchronous,
xed-frequency, buck topology that also delivers: high efciency (96% for 5VOUT
models), low noise (50mVp-p typ.), tight line/load regulation (±0.1%/±0.25% max.),
quick step response (100sec), stable no-load operation, and no output reverse
conduction.
The fully functional LSM’s feature output overcurrent detection, continuous
short-circuit protection, over-temperature protection, a remote on/off control pin
(pull low to disable), an output-voltage trim function, and a sense pin. High
efciency enables the LSM D12's to deliver rated output currents of 10 Amps at
ambient temperatures to +65°C with 100 lfm air ow.
If your new system boards call for three or more 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 LSM D12 SMT's will save you money.
■
Step-down buck regulators for new
distributed 12V power architectures
12V input (10.8-13.2V range)
0.8/1/1.2/1.5/1.8/2/2.5/3.3/5VOUT @10A
Non-isolated, xed-frequency,
synchronous-rectier topology
Tape and reel SMT package
±1.25% setpoint accuracy
Efciencies to 96% @ 10 Amps
Noise as low as 50mVp-p
Stable no-load operation
Remote on/off control
Sense pin and output voltage trim
No derating to +65°C with 100 lfm
UL/IEC/EN60950 certied
EMC compliant
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
A SUBSIDIARY OF C&D TECHNOLOGIES
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