LM2734Y EVAL National Semiconductor, LM2734Y EVAL Datasheet - Page 14

• Manufacturer Part Number: LM2734Y EVAL
• Description: BOARD EVALUATION LM2734Y
• Manufacturer: National Semiconductor

Specifications of LM2734Y EVAL

• 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: 550kHz
• 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
C4, Shunt Cap
D1, Catch Diode
D2, Boost Diode
D3, Zener Diode
L1
R1
R2
R3
R4
Part Value
1A Buck Regulator
10µF, 25V, X7R
22µF, 6.3V, X5R
0.01µF, 16V, X7R
0.1µF, 6.3V, X5R
0.4V
1V
5.1V 250Mw SOT-23
6.8µH, 1.6A,
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
4.12kΩ, 1%
F
@ 50mA Diode
F
Schottky 1A, 30VR
FIGURE 8. LM2734X (1.6MHz)
V
Bill of Materials for
BOOST
18V to 1.5V/1A
Derived from V
14
Part Number
LM2734X
C3225X7R1E106M
C3216X5ROJ226M
C1005X7R1C103K
C1005X5R0J104K
SS1P3L
1N4148W
BZX84C5V1
SLF7032T-6R8M1R6
CRCW06038871F
CRCW06031022F
CRCW06031003F
CRCW06034121F
Figure 8
SHUNT
Manufacturer
National Semiconductor
TDK
TDK
TDK
TDK
Vishay
Diodes, Inc.
Vishay
TDK
Vishay
Vishay
Vishay
Vishay
20102344