LM2734ZEVAL National Semiconductor, LM2734ZEVAL Datasheet - Page 17

• 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: -

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
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%
FIGURE 11. V
F
@ 50mA Diode
F
Schottky 1A, 30VR
BOOST
Bill of Materials for Figure 11
Derived from Series Zener Diode (V
15V to 1.5V/1A
17
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
www.national.com