lm2738xsdx National Semiconductor Corporation, lm2738xsdx Datasheet - Page 16

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

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LM2738X Circuit Example 1
Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
L1
R1
R2
R3
Part Value
1.5A Buck Regulator
10µF, 6.3V, X5R
22µF, 6.3V, X5R
0.1uF, 16V, X7R
0.34V
1V
2.2µH, 1.9A,
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 100mA Diode
F
Schottky 1.5A, 30V
FIGURE 10. LM2738X (1.6MHz)
Bill of Materials for Figure 10
V
BOOST
5V to 1.5V/1.5A
Derived from V
16
Part Number
LM2738X
C3216X5ROJ106M
C3216X5ROJ226M
C1005X7R1C104K
CRS08
BAT54WS
MSS5131-222ML
CRCW06038871F
CRCW06031022F
CRCW06031003F
IN
Manufacturer
National Semiconductor
TDK
TDK
TDK
Toshiba
Diodes, Inc.
Coilcraft
Vishay
Vishay
Vishay
30049142