SFTB NSC [National Semiconductor], SFTB Datasheet - Page 16

• Manufacturer Part Number: SFTB
• Description: Thin SOT23 1A Load Step-Down DC-DC Regulator
• Manufacturer: NSC [National Semiconductor]

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LM2734Z Design Examples
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
FIGURE 11. V
Part Value
1A Buck Regulator
10µF, 25V, X7R
22µF, 6.3V, X5R
0.01µF, 16V, X7R
0.4V
1V
11V 350Mw SOT-23
3.3µH, 1.3A
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
F
@
Schottky 1A, 30VR
50mA Diode
BOOST
Bill of Materials for Figure 11
(Continued)
Derived from Series Zener Diode (V
15V to 1.5V/1A
16
Part Number
LM2734ZX
C3225X7R1E106M
C3216X5ROJ226M
C1005X7R1C103K
SS1P3L
1N4148W
BZX84C11T
ME3220–332MX
CRCW06038871F
CRCW06031022F
CRCW06031003F
IN
)
Manufacturer
National Semiconductor
TDK
TDK
TDK
Vishay
Diodes, Inc.
Diodes, Inc.
Coilcraft
Vishay
Vishay
Vishay
20130349