Datasheet

LM2738
SNVS556B –APRIL 2008–REVISED APRIL 2013 www.ti.com
LM2738X Circuit Example 2
Figure 37. LM2738X (1.6MHz)
V
BOOST
Derived from V
OUT
12V to 3.3V/1.5A
Table 3. Bill of Materials for Figure 37
Part ID Part Value Part Number Manufacturer
U1 1.5A Buck Regulator LM2738X Texas Instruments
C1, Input Cap 10µF, 25V, X7R C3225X7R1E106M TDK
C2, Output Cap 33µF, 6.3V, X5R C3216X5ROJ336M TDK
C3, Boost Cap 0.1µF, 16V, X7R C1005X7R1C104K TDK
D1, Catch Diode 0.34V
F
Schottky 1.5A, 30V CRS08 Toshiba
D2, Boost Diode 1V
F
@ 100mA Diode BAT54WS Diodes, Inc.
L1 5µH, 2.9A MSS7341- 502NL Coilcraft
R1 31.6kΩ, 1% CRCW06033162F Vishay
R2 10kΩ, 1% CRCW06031002F Vishay
R3 100kΩ, 1% CRCW06031003F Vishay
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