LM3241
SNOSB38B –JANUARY 2009–REVISED APRIL 2013
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This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
Thin DSBGA Package, Large Bump (0.5 mm Pitch) (YZR06E1A)
6 Bumps
EN A1
VCON B1
FB C1
A2 VIN
B2 SW
C2 GND
VIN A2
SW B2
A1 EN
B1 VCON
C1 FB
GND C2
Top View
Bottom View
PIN DESCRIPTIONS
Pin #
Name
Description
A1
EN
Enable Input. Set this digital input high for normal operation. For shutdown, set low. Do not leave
EN pin floating.
B1
VCON
Voltage Control Analog input. VCON controls VOUT in PWM mode. Do not leave VCON pin
floating. VOUT = 2.5 x VCON.
C1
C2
B2
FB
GND
SW
Feedback Analog Input. Connect to the output at the output inductor.
Ground
Switching 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 LM3241.
A2
VIN
Power supply input. Connect to the input filter capacitor (Typical Application Circuit).
2
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