lm2738xsdx National Semiconductor Corporation, lm2738xsdx Datasheet - Page 19

• Manufacturer Part Number: lm2738xsdx
• Description: Lm2738 550khz/1.6mhz 1.5a Step-down Dc-dc Switching Regulator
• Manufacturer: National Semiconductor Corporation

LM2738X Circuit Example 4
Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
D3, Zener Diode
L1
R1
R2
R3
Part Value
1.5A Buck Regulator
10µF, 25V, X7R
47µF, 6.3V, X5R
0.1µF, 16V, X7R
0.34V
1V
11V 350Mw SOT-23
3.3µH, 3.5A
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 100mA Diode
F
V
Schottky 1.5A, 30V
BOOST
FIGURE 13. LM2738X (1.6MHz)
Derived from Series Zener Diode (V
Bill of Materials for
15V to 1.5V/1.5A
19
Part Number
LM2738X
C3225X7R1E106M
C3216X5ROJ476M
C1005X7R1C104K
CRS08
BAT54WS
BZX84C11T
MSS7341-332NL
CRCW06038871F
CRCW06031022F
CRCW06031003F
IN
)
Manufacturer
National Semiconductor
TDK
TDK
TDK
Toshiba
Diodes, Inc.
Diodes, Inc.
Coilcraft
Vishay
Vishay
Vishay
30049149
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