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LM3310 Scheda tecnica(PDF) 1 Page - Texas Instruments

Il numero della parte LM3310
Spiegazioni elettronici  Step-Up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

LM3310 Scheda tecnica(HTML) 1 Page - Texas Instruments

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background image
VDD
CSS
C
IN
COUT
VIN
FB
SW
SS
AGND
POS
NEG
SHDN
FREQ
LM3310
VC
D3
D2
D 1
VOUT
L
RFB1
RFB2
VIN
RC
PGND
OUT
VDPM
VGHM
VFLK
CE
RE
VGH
RE
CE
AVIN
C1
C2
R1
R2
CC
VOUT
= 2 X
VOH
LM3310
www.ti.com
SNVS341E – AUGUST 2005 – REVISED MAY 2013
LM3310 Step-Up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse
Modulation Switch
Check for Samples: LM3310
1
FEATURES
DESCRIPTION
The LM3310 is a step-up DC/DC converter integrated
2
Boost Converter with a 2A, 0.18
Ω Switch
with an Operational Amplifier and a gate pulse
Boost Output Voltage Adjustable up to 20V
modulation switch. The boost (step-up) converter is
Operating Voltage Range of 2.5V to 7V
used to generate an adjustable output voltage and
features a low RDSON internal switch for maximum
660kHz/1.28MHz Pin Selectable Switching
efficiency. The operating frequency is selectable
Frequency
between 660kHz and 1.28MHz allowing for the use of
Adjustable Soft-Start Function
small external components. An external soft-start pin
Input Undervoltage Protection
enables the user to tailor the soft-start time to a
specific application and limit the inrush current. The
Over Temperature Protection
Op-Amp is capable of sourcing/sinking 135mA of
Integrated Op-Amp
current (typical). The gate pulse modulation switch
Integrated Gate Pulse Modulation (GPM)
can operate with a VGH voltage of 5V to 30V. The
Switch
LM3310 is available in a low profile 24-lead WQFN
package.
24-Lead WQFN Package
APPLICATIONS
TFT Bias Supplies
Portable Applications
Typical Application Circuit
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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