LM3211MT-ADJ ,Step-up PWM DC/DC Converter Integrated with 4 BuffersApplicationsapplication.The LM3211 contains 4 Gamma buffers capablen Cellular Phones/Digital Camera ..
LM3211MTX-ADJ ,Step-up PWM DC/DC Converter Integrated with 4 BuffersFeaturesn 1.4A, 0.17Ω, internal power switchThe LM3211 is a compact bias solution for TFT displays. ..
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LM3211MTADJ-LM3211MT-ADJ-LM3211MTX-ADJ
Step-up PWM DC/DC Converter Integrated with 4 Buffers
LM3211
Step-up PWM DC/DC Converter Integrated with 4 Buffers
General DescriptionThe LM3211isa compact bias solutionfor TFT displays.It
hasa current mode PWM step-up DC/DC converter witha
1.4A, 0.17Ω internal switch. Capableof generating 8Vat
300mA froma Lithium Ion battery, the LM3211is idealfor
generating bias voltagesfor large screen LCD panels. The
LM3211 canbe operatedat switching frequenciesof 600kHz 1.25MHz, allowingfor easy filtering and low noise.An
external compensationpin givesthe user flexibilityin setting
frequency compensation, which makes possible the useof
small, low ESR ceramic capacitorsat the output. The
LM3211 usesa patented internal circuitryto limit startup
inrush currentof the boost switching regulator without the
useofan external softstart capacitor.An external softstart
pin enables the userto tailor the softstarttoa specific
application. The LM3211 contains4 Gamma buffers capable supplying 35mA source and sink. TheTSSOP-20 package
ensuresa low profile overall solution.
Features 1.4A, 0.17Ω, internal power switch VIN operating range: 2.2Vto 7.5V 600kHz/1.25MHz selectable frequency step-up DC/DC
converter20pin TSSOP package Inrush current limiting circuitry External softstart override4 Gamma buffers
Applications LCD Bias Supplies Handheld Devices Portable Applications Cellular Phones/Digital Cameras
Typical Application CircuitFebruary 2004
LM321
Step-up
PWM
DC/DC
Converter
Integrated
with
Buffers
