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LM9022

National Semiconductor
Part Number LM9022
Manufacturer National Semiconductor
Description Vacuum Fluorescent Display Filament Driver
Published Apr 25, 2005
Detailed Description LM9022 Vacuum Fluorescent Display Filament Driver July 2002 LM9022 Vacuum Fluorescent Display Filament Driver General ...
Datasheet PDF File LM9022 PDF File

LM9022
LM9022

Overview
LM9022 Vacuum Fluorescent Display Filament Driver July 2002 LM9022 Vacuum Fluorescent Display Filament Driver General Description The LM9022 is a bridged power amplifier capable of delivering typically 2W of continuous average power into a 10Ω filament load when powered by a 5V power supply.
To conserve power in portable applications, the LM9022’s micropower shutdown mode (IQ = 0.
6µA, typ) is activated when VDD is applied to the SHUTDOWN pin.
Additional LM9022 features include thermal shutdown protection, unity-gain stability, and external gain set.
Key Specifications n IDD during shutdown n Thermal Shutdown Protection 0.
6µA (typ) Features n No transformers required n SO or DIP packaging Applications n VCR/DVD Displays n RADIO/TUNER Displays Typical Application TA = 25˚C, VDD = 5V, unless otherwise specified.
20021501 FIGURE 1.
Typical Application Circuit Connection Diagram MSOP, Small Outline, and DIP Package 20021502 Top View Order Number LM9022M or LM9022N See NS Package Number M08A or N08E © 2002 National Semiconductor Corporation DS200215 www.
national.
com LM9022 Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
Supply Voltage Supply Temperature Input Voltage Power Dissipation (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Junction Temperature Soldering Information Small Outline Package Vapor Phase (60 sec.
) Infrared (15 sec.
) 215˚C 220˚C -0.
3V to +6.
0V −65˚C to +150˚C −0.
3V to VDD +0.
3V Internally Limited 5000V 250V 150˚C See AN-450 ’Surface Mounting and their Effects on Product Reliability’ for other methods of soldering surface mount devices.
θJC (typ) — M08A θJA (typ) — M08A θJC (typ) — N08E θJA (typ) — N08E 35˚C/W 140˚C/W 37˚C/W 107˚C/W Operating Ratings Temperature Range TMIN ≤ TA ≤ TMAX Supply Voltage −40˚C ≤ TA ≤ 85˚C 2.
0V ≤ VDD ≤ 5.
5V Electrical Characteristics (Notes 1, 2...


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