LM34914EVAL National Semiconductor, LM34914EVAL Datasheet - Page 4

• Manufacturer Part Number: LM34914EVAL
• Description: BOARD EVALUATION LM34914
• Manufacturer: National Semiconductor

Specifications of LM34914EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 5V
• Current - Output: 1A
• Voltage - Input: 8 ~ 40V
• Regulator Topology: Buck
• Frequency - Switching: 275kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM34914
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

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Item
C10
C11
C12
C1
C2
C3
C4
C5
C6
C7
C8
C9
D1
R1
R2
R3
R4
R6
U1
L1
Switching Regulator
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Schottky Diode
Power Inductor
Description
Resistor
Resistor
Resistor
Resistor
Resistor
FIGURE 5. Complete Evaluation Board Schematic
TDK SLF12575T-101M1R9, or Cooper
National Semiconductor LM34914SD
TDK C3225X7R1H475M
TDK C2012X7R2A104M
TDK C2012X7R1C104M
TDK C2012X7R1C223M
TDK C2012X7R1C223M
TDK C3225X7R1C226M
TDK C2012X7R2A104M
TDK C2012X7R2A332M
TDK C2012X7R2A103M
Bussmann DR125-101
Mfg., Part Number
CRCW08054991F
CRCW08054991F
CRCW08051503F
CRCW08059092F
Zetex ZLLS2000
Unpopulated
Unpopulated
Unpopulated
Unpopulated
4
12.5 mm x 12.5 mm
Package
SOT23-6
LLP 3x3
1210
1206
0805
0805
0805
0805
1206
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0.022 µF, 16V
0.022 µF, 16V
0.1 µF, 100V
100 µH, 1.9A
4.7 µF, 50V
0.1 µF, 16V
0.1 µF, 16V
22 µF, 16V
40V, 2.2A
3300 pF
0.01 µF
4.99 kΩ
4.99 kΩ
90.9 kΩ
150 kΩ
Value
30000309