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LM3208 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM3208
Description  650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM3208 Datasheet(HTML) 2 Page - National Semiconductor (TI)

 
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Connection Diagrams
20166399
8–Bump Thin Micro SMD Package, Large Bump
NS Package Number TLA08GNA
Order Information
Order Number
Package Marking (Note)
Supplied As
LM3208TL
XVS/33
250 units, Tape-and-Reel
LM3208TLX
XVS/33
3000 units, Tape-and-Reel
Note: The actual physical placement of the package marking will vary from part to part. The package marking “X” designates the date
code. “V” is a NSC internal code for die traceability. Both will vary in production. “S” designates device type as switcher and “33” identifies
the device (part number).
Pin Descriptions
Pin #
Name
Description
A1
PV
IN
Power Supply Voltage Input to the internal PFET switch.
B1
V
DD
Analog Supply Input.
C1
EN
Enable Input. Set this digital input high for normal operation. For shutdown, set this pin low.
C2
V
CON
Voltage Control Analog input. V
CON controls VOUT in PWM mode.
C3
FB
Feedback Analog Input. Connect to the output at the output filter capacitor.
B3
SGND
Analog and Control Ground
A3
PGND
Power Ground
A2
SW
Switch node connection to the internal PFET switch and NFET synchronous rectifier.
Connect to an inductor with a saturation current rating that exceeds the maximum Switch Peak
Current Limit specification of the LM3208.
www.national.com
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