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参数资料
| 型号： | LSM-1/10-D5-C |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 10 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, SMT-6 |
| 文件页数： | 1/13页 |
| 文件大小： | 460K |
| 代理商： | LSM-1/10-D5-C |
+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)
Features
Figure 1. Simplied Schematic
DATEL's LSM D5 Series for SMT (surface-mount) are non-isolated DC/
DC converters that accept a 5V input (4.5V to 5.5V input range) and deliver
0.8V, 1V, 1.2V, 1.5V, 1.8V, 2V, 2.5V, or 3.3V outputs at 10 Amps. LSM D5
SMT's are designed to take on-board 5V power and convert it, with the
highest efciency in the smallest space, to any lower voltage required by
today's current-hungry DSP's, ASIC's and CPLD's.
The LSM D5's miniature size makes them ideal for true point-of-use/
load power processing. They occupy a mere 0.7 square inches (4.5 cm2)
and are only 0.34 inches (8.64 mm) high. The SMT package is designed
for pick and place including lead free reow soldering, and they typically
require no additional external components.
The LSM's best-in-class power density is achieved with a fully syn-
chronous, xed-frequency (300kHz), buck topology that also delivers: high
efciency (95% for 3.3VOUT models), low noise (30mVp-p typ.), tight line/
load regulation (±0.1%/±0.25% max.), quick step response (100μsec),
stable no-load operation, and no output reverse conduction.
The fully functional LSM's feature output overcurrent detection, con-
tinuous short-circuit and over-temperature protection, an output-voltage
trim function, a remote on/off control pin (pull low to disable), and a sense
pin. High efciency enables the LSM D5's to deliver rated output currents
of 10 Amps at ambient temperatures to +71°C with no air ow (natural
convection).
If your low-voltage, high-current requirements have made the use
of inefcient linear regulators impractical, take a look at one of DATEL's
easy-to-use, low-cost LSM SMT's (or equivalent LSN SIP's). All devices
are UL/IEC/EN60950 certied and EMC compliant. UL, CB, HALT and
EMC reports are available upon request.
Step-down buck regulators with
industry-standard SMT footprint
5V input (4.5-5.5V range)
0.8/1/1.2/1.5/1.8/2/2.5/3.3VOUT @10A
Non-isolated, xed-frequency,
synchronous-rectier topology
Tape and reel SMT package
±1% setpoint accuracy
Efciencies to 95% @ 10 Amps
Noise as low as 30mVp-p
Stable no-load operation
Remote on/off control
Sense pin and output voltage trim
Thermal shutdown
No derating to +71°C, natural convection
UL/IEC/EN60950 certied
EMC compliant
Typical topology is shown
Typical Unit
LSM-10A D5 Models
Single Output, Non-Isolated, 5VIN, 0.8-3.3VOUT, 10A, DC/DC's in SMT Packages
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_LSM10A-D5.B01 Page 1 of 13
NOT RECOMMENDED
FOR NEW DESIGNS
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