LM2734ZEVAL National Semiconductor, LM2734ZEVAL Datasheet - Page 18

• Manufacturer Part Number: LM2734ZEVAL
• Description: BOARD EVALUATION LM2734Z
• Manufacturer: National Semiconductor

Specifications of LM2734ZEVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 1A
• Voltage - Input: 3 ~ 20V
• Regulator Topology: Buck
• Frequency - Switching: 3MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2734
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

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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 12. V
Part Value
1A Buck Regulator
10µF, 25V, X7R
22µF, 16V, X5R
0.01µF, 16V, X7R
0.4V
1V
4.3V 350mw SOT-23
2.2µH, 1.8A
102kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 50mA Diode
F
Schottky 1A, 30VR
BOOST
Bill of Materials for Figure 12
Derived from Series Zener Diode (V
15V to 9V/1A
18
Part Number
LM2734ZX
C3225X7R1E106M
C3216X5R1C226M
C1005X7R1C103K
SS1P3L
1N4148W
BZX84C4V3
ME3220–222MX
CRCW06031023F
CRCW06031022F
CRCW06031003F
OUT
)
Manufacturer
National Semiconductor
TDK
TDK
TDK
Vishay
Diodes, Inc.
Diodes, Inc.
Coilcraft
Vishay
Vishay
Vishay
20130350