Product Brief
LXDC Series
µDCDC Converters
Features
Low EMI noise and small footprint due to
inductor-
embedded ferrite substrate
High e ciency using synchronous rectifier technology and
PFM/PWM auto-select function (forced mode available on
some models)
Input voltage range: 2.3–5.5V & 4–14V (55F series)
Load currents available are 600mA, 1A, 1.5A and 3A
Fixed output voltage & adjustable voltage type
(see product line-up table on page two)
Switching frequency: 3MHz to 6MHz
Operating temperature range: -40 to +85°C (105ºC for 2XQ)
Product images not to scale.
Applications
Any device currently using discrete DC/DC circuits where
Structure
Capacitor
DC/DC
IC
downsizing and space savings are required
Cellular phones, PDAs, mobile internet devices
Digital cameras, ebooks, tablets, W-LAN, BT
Portable game consoles, music players, etc.
Base station, 12V AC/DC adaptor input devices
Application Circuit
2UR series
2HL/2HN series
Multilayer process to create
a ferrite substrate with 3-
dimensional circuits and
embedded power inductor
Vin
I/O via holes through the
ferrite substrate act as
ferrite beads and reduce
conductive noise.
IC
Cin
Power Inductor
Vout
Cout
Note: See page two for circuits speci c to each series.
Downsizing Advantage
Discrete Solution
2HL or 2HN
Series (0.6A)
2UR Series (0.6A)
2XQ Series (1.5A)
44A Series (0.7A) -Boost
55K Series (3A)
55F Series (14V input, 1.5A)
2HL
2HN
2UR
2XQ
44A
55K
55F
Footprint
35–60mm
2
(including two
external capaci ors)
t
10mm
2
6-10mm
2
16–28mm
2
© 2014 March Murata Americas • www.murataamericas.com/uDCDC