LM3207TL-2.53 National Semiconductor, LM3207TL-2.53 Datasheet - Page 2

• Manufacturer Part Number: LM3207TL-2.53
• Description: LM3207 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers with Integrated Vref LDO; Package: MICRO SMD; No of Pins: 9; Qty per Container: 250; Container: Reel
• Manufacturer: National Semiconductor

www.national.com
Connection Diagrams
Order Information
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 considerably. “S” designates the device type as switcher device. “34” identifies the device part number/option.
Pin Descriptions
Pin #
C1
C2
C3
A1
B1
B3
A3
A2
B2
LDO Voltage Option
2.875
2.53
EN
SGND
PGND
Name
V
PV
LDO
SW
EN
FB
CON
LDO
IN
Power Supply Voltage Input.
LDO Enable Input. Set this digital input high to turn on LDO (EN pin must also be set high). For shutdown,
set low.
Feedback Analog Input. Connect to the output at the output filter capacitor.
Voltage Control Analog input. V
LDO Output Voltage.
Analog and Control Ground.
Power Ground.
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 LM3207.
PWM enable Input. Set this digital input high for normal operation. For shutdown, set low.
LM3207TLX-2.53
LM3207TL-2.53
Order Number
LM3207TLX
LM3207TL
9–Bump Thin Micro SMD Package, Large Bump
NS Package Number TLA09TTA
Part Marking (Note)
CON
XVS/34
XVS/34
XVS/43
XVS/43
controls V
2
Description
OUT
in PWM mode.
3000 units, Tape-and-Reel
3000 units, Tape-and-Reel
250 units, Tape-and-Reel
250 units, Tape-and-Reel
Supplied As
20165399