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PDF LXDC2HL10G-301 Data sheet ( Hoja de datos )

Número de pieza LXDC2HL10G-301
Descripción Micro DC-DC converter
Fabricantes Murata 
Logotipo Murata Logotipo



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No Preview Available ! LXDC2HL10G-301 Hoja de datos, Descripción, Manual

LXDC2HL-G Series
Micro DC-DC converter
1. Features
Low EMI noise and small footprint (5mm2) using inductor-embedded ferrite substrate
PFM/PWM automatic mode switching function
Smooth mode transient between PFM mode and PWM mode
with low-ripple-voltage PFM mode
2% DC voltage accuracy over full load current range
Wide input voltage range : 2.3~5.5V
Fixed output voltage : 0.8V – 2. 5V (factory setting)
Internal soft start, overcurrent protection
2. Description
The LXDC2HL series is a low power step-down DCDC converter, which is suitable for a space-limited or a
noise-sensitive application. The device utilizes an inductor-embedded ferrite substrate, and the substrate
eliminates radiated EMI noise and conduction noise efficiently.
By just putting input/output capacitors, it can be used as a LDO replacement. Its low noise feature and easy to
assembly feature assures reliable power supply quality.
The device works in PFM mode at light load and it extends the battery life. At heavy load, its control mode
changes to PMW mode automatically and it keeps high efficiency using synchronous rectifying technology.
The device keeps good output voltage accuracy even in PFM mode. It keeps 2% DC voltage accuracy over full
current range, and shows very smooth mode transient between PFM mode and PWM mode.
3. Typical Application Circuit
Enable
VBAT
LLXXDDCC2H2LH-LG
EN
Vin Vout
GND
Vout
10uF
1
July. 2015

1 page




LXDC2HL10G-301 pdf
LXDC2HL-G Series
Micro DC-DC converter
Over current
protection
OCP
LXDC2HL10G-301
350 700 1350
LXDC2HL11G-306
300 700 1350
LXDC2HL12G-302
300 700 1350
LXDC2HL13G-441
300 700 1350
LXDC2HL15G-303
250 700 1350
LXDC2HL18G-304
250 700 1350
LXDC2HL25G-341
250 700 1350
If the over current event continues less than Tlatch, auto-recovery.
If the over current event continues more than Tlatch, latch-up.
Restart by toggling EN voltage or Vin voltage
mA
Tlatch
Latch-up mask time
@Vout=0.8×Vnom
20
Start-up time
Ton
0.25
(*1) External capacitors (Cout:10uF) shall be placed near the module in order to proper operation.
(*2)The above characteristics are tested using the test circuit on section 8.
usec
msec
5
July. 2015

5 Page





LXDC2HL10G-301 arduino
LXDC2HL-G Series
Micro DC-DC converter
Typical Measurement Data (reference purpose only) (Ta=25)
Efficiency
Vin=3.7V,Vout=1.0V
100
95
90
85
80
75
70
65
60
1
10 100
Iout [mA]
Vin=3.7V,Vout=1.2V
1000
100
95
90
85
80
75
70
65
60
1
10 100
Iout [mA]
1000
Vin=3.7V,Vout=1.5V
Vin=3.7V,Vout=1.8V
100
95
90
85
80
75
70
65
60
1
10 100
Iout [mA]
1000
100
95
90
85
80
75
70
65
60
1
10 100
Iout [mA]
1000
Vin=3.7V,Vout=2.5V
100
95
90
85
80
75
70
65
60
1
10 100
Iout [mA]
1000
11
July. 2015

11 Page







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