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ME2108 Datasheet Preview

ME2108 Datasheet

DC/DC Step up Converter

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DC/DC Step up Converter ME2108 Series
Ver 09
DC/DC Step up Converter ME2108 Series
General Description
ME2108 Series is a PFM Step-up DC/DC
converter IC with low supply current by CMOS
process. High frequency noise that occurs during
switching is reduced by using advanced circuit
designed, output voltage is programmable in 0.1V
steps between 2.0~7.0V and maximum frequency is
180KHz(Typ.). A low ripple, high efficiency
step-up DC/DC converter can be constructed of
ME2108Xxx with only three external components.
Also available is a CE(chip enable) function that
reduce power dissipation During shut-down
mode. ME2108Xxx is suitable for use with
battery-powered instruments with low noise and
low supply current.
Features
l Low ripple and low noise
l Operating voltage range 0.9V~6.5V
l Output voltage range 2.0V~7.0V(step 0.1V)
l Output voltage accuracy ±2.5%
l Output Current if Vin=3.0V and Vout=5.0V
then Iout=400mA
l Low start voltage 0.9V(at Iout=1mA)
l Maximum oscillator frequency 180KHz(Typ.)
l High Efficiency 85%(Type)
l PACKAGE SOT-23 SOT-23-3 SOT-89-3
SOT-89-5
Selection Guide
Applications
l Power source for battery-powered equipment
l Power source for wireless mouse, wireless
keyboard, toys, cameras, camcorders, VCRs,
PDAs, and hand-held communication
equipment
l Power source for appliances which require
higher cell voltage than that of batteries used
in the appliances
Nanjing Micro One Electronics Inc.
1/14 TEL: 025-84731186 www. microne. com. cn




Microne

ME2108 Datasheet Preview

ME2108 Datasheet

DC/DC Step up Converter

No Preview Available !

DC/DC Step up Converter ME2108 Series
Ver 09
TYPE
ME2108Axx
ME2108Bxx
ME2108Cxx
ME2108Dxx
ME2108Dxx
POSTFIX
M3
P
M3
P
M5
P
M5
P
M5
PACKAGE
SOT-23-3
SOT-89-3
SOT-23-3
SOT-89-3
SOT-23-5
SOT-89-5
SOT-23-5
SOT-89-5
SOT-23-5
SWITCHING
TRANSISTOR
Build in
Transistor
External
Transistor
Build in
Transistor
External
Transistor
External
Transistor
CE
FUNCTION
No
No
Yes
Yes
Yes
Pin Configuration
FEATURES
Lx
Ext
Lx CE
Ext CE
Ext
Pin Assignment
ME2108Axx
PIN Number
SOT-23-3/ SOT-23 SOT-89-3
11
32
23
ME2108Bxx
PIN Number
SOT-23-3/ SOT-23 SOT-89-3
11
32
23
ME2108Cxx
PIN Number
SOT-23-5
SOT-89-5
45
22
54
13
31
PIN
NAME
Vss
Vout
Lx
FUNCTION
Ground
Output voltage monitor, IC internal power supply
Switch
PIN
NAME
Vss
Vout
Ext
FUNCTION
Ground
Output voltage monitor, IC internal power supply
External switch transistor drive
PIN
NAME
Vss
Vout
Lx
CE
NC
FUNCTION
Ground
Output voltage monitor, IC internal power supply
Switch
Chip enable
NC
Nanjing Micro One Electronics Inc.
2/14 TEL: 025-84731186 www. microne. com. cn


Part Number ME2108
Description DC/DC Step up Converter
Maker Microne
PDF Download

ME2108 Datasheet PDF





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