LSN10A-D5 Datasheet, PDF (1/15 Pages) Murata Manufacturing Co., Ltd. – Non-Isolated, 5VIN, 1-3.8VOUT 10 Amp DC/DC In SIP Package

Single Output LSN-10A Models
Non-Isolated, 5VIN, 1-3.8VOUT
10 Amp DC/DC In SIP Package
FEATURES
Industry-standard SIP pinout
Shorter (2.0" vs. 2.5") package length
4.5-5.5V input range
1/1.2/1.5/1.8/2/2.5/3.3/3.8VOUT @ 10A
Non-isolated, fully synchronous,
300kHz, buck topology
Outstanding performance:
v ±1% setpoint accuracy
v Efficiencies to 95% @ 10 Amps
v Noise as low as 10mVp-p
v Stable no-load operation
v Trimmable output voltage
Remote on/off and sense pins
Thermal shutdown
No derating to +71°C, natural convection
UL/IEC/EN60950-1 certified
EMC compliant
Ḥ
For full details go to
www.murata-ps.com/rohs
Typical units
PRODUCT OVERVIEW
Murata Power Solutions' new LSN D5 Series SIP’s
(single-in-line packages) are non-isolated DC/DC
converters that accept a 5V input (4.5V to 5.5V
input range) and deliver 1V, 1.2V, 1.5V, 1.8V, 2V,
2.5, 3.3 or 3.8V outputs at 10 Amps. LSN D5 SIP’s
take on-board 5V 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.
The miniature size of LSN D5's makes them
ideal for true point-of-use power processing. Ver-
tical-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 (to 95%), low noise (10mVp-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 LSN’s feature output over-
current detection, continuous short-circuit protec-
tion, an output-voltage trim function, a remote on/
off control pin (pull high to disable), thermal shut-
down, and a sense pin. High efficiency enables
the LSN D5'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
make the use of inefficient linear regulators
impractical, take a look at one of C&D’s easy-to-
use, low-cost LSN SIP’s. All devices are UL/IEC/
EN60950-1 certified and EMC compliant. UL, CB,
HALT and EMC reports are available upon request.
Selected models are RoHS compliant.
+INPUT
(7,8)
220μF 44μF
COMMON
(6)
CURRENT
SENSE
10.57
47.1μF 470μF
(100.1μF) (330μF)


+OUTPUT
(1,2,4)
+SENSE ^~
(3)
COMMON
(5)
ON/OFF
CONTROL
(11)
VCC
PWM
CONTROLLER
REFERENCE &
ERROR AMP
~For devices with the sense-pin removed ("B" suffix), the feedback
path is through the +Output pin and not the +Sense pin.
Values in parenthesis for 3.3V models only.
Figure 1. Simplified Schematic
TRIM
(10)
Typical topology is shown.
www.murata-ps.com
Technical enquiries email: [e-mail], tel: [phone]
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