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參數資料
| 型號： | LSN-1.25/10-D3H |
| 廠商： | MURATA POWER SOLUTIONS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SIP-11/10 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 1033K |
| 代理商： | LSN-1.25/10-D3H |
+INPUT
(7,8)
COMMON
(6)
PWM
CONTROLLER
CURRENT
SENSE
REFERENCE &
ERROR AMP
VOLTAGE
BOOST
VCC
ON/OFF
CONTROL
(11)
TRIM
(10)
+OUTPUT
(1,2,4)
470F
47.1F
44F
330F
10.5
+SENSE
(3)
COMMON
(5)
Features
Figure 1. Simplified Schematic
The miniature size of LSN D3's makes them ideal for true point-of-use power
processing. Vertical-mount packages occupy a mere 0.7 square inches (440 sq.
mm), and they are available in industry-standard and Tyco-compatible pinout.
Horizontal-mount packages ("H" suffix) are only 0.34 inches (8.6mm) high.
The LSN's best-in-class power density is achieved with a fully synchronous,
fixed-frequency (300kHz), buck topology that also delivers: high efficiency (94% for
2.5VOUT models), low noise (10mVp-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 LSN’s feature output overcurrent detection, continuous short-
circuit protection, an output-voltage trim function, a remote on/off control pin
(pull high to disable), thermal shutdown, and a sense pin. High efficiency enables the
LSN D3's to deliver rated output currents of 10 Amps at ambient temperatures to
+71°C with no air flow (natural convection).
If your low-voltage, high-current requirements have made the use of inefficient
linear regulators impractical, take a look at one of DATEL’s easy-to-use, low-cost
LSN SIP’s. All devices are UL/IEC/EN60950 certified and EMC compliant. UL, CB,
HALT and EMC reports are available upon request.
■
For devices with the sense-pin removed ("B" suffix),
the feedback path is through the +Output pin and not
the +Sense pin.
Industry-standard SIP pinout
Shorter (2.0" vs. 2.5") package length
3.0-3.6V input range
1/1.2/1.25/1.5/1.8/2/2.5V outputs @ 10A
Non-isolated, fully synchronous,
300kHz, buck topology
Outstanding performance:
±1% setpoint accuracy
Efficiencies to 94% @ 10 Amps
Noise as low as 10mVp-p
Stable no-load operation
Trimmable output voltage
Remote on/off and sense pins
Thermal Shutdown
No derating to +71°C, natural convection
UL/IEC/EN60950 certified
EMC compliant
Typical topology is shown
Typical Units
DATEL’s new LSN D3 Series SIP’s (single-in-line packages) are
non-isolated DC/DC converters that accept a 3.3V input (3.0V to 3.6V
input range) and deliver 1V, 1.2V, 1.25V, 1.5V, 1.8V, 2V or 2.5V out-
puts at 10 Amps. LSN D3 SIP’s are designed to take on-board 3.3V
power and convert it, with the highest efficiency in the smallest space,
to any lower voltage required by today’s current-hungry DSP’s, ASIC’s
and CPLD’s.
LSN-10A D3 Models
Single Output, Non-Isolated, 3.3VIN, 1-2.5VOUT, 10A, DC/DC's in SIP 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_LSN10A-D3.B02 Page 1 of 14
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