LM2830XMF National Semiconductor, LM2830XMF Datasheet - Page 22

• Manufacturer Part Number: LM2830XMF
• Description: BUCK REG 1A 1.6MHZ, SMD, SOT-23-5
• Manufacturer: National Semiconductor

Specifications of LM2830XMF

• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Voltage: 4.5V
• Output Current: 1A
• Voltage Regulator Case Style: SOT-23
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

www.national.com
LM2830X Buck Converter & Voltage Double Circuit with LDO Follower
Design Example 7
D1, Catch Diode
C2, Output Cap
C1, Input Cap
C3 – C6
Part ID
U1
U2
D2
R2
R1
L2
L1
FIGURE 12. LM2830X (1.6MHz): Vin = 5V, Vo = 3.3V
0.4V
0.3V
1.0A Buck Regulator
f
f
Schottky 20V
2.2µF, 6.3V, X5R
22µF, 6.3V, X5R
22µF, 6.3V, X5R
Schottky 1.5A, 30V
10µH, 800mA
200mA LDO
3.3µH, 2.2A
45.3kΩ, 1%
10.0kΩ, 1%
Part Value
R
, 500mA
Bill of Materials
R
22
Manufacturer
TOSHIBA
ON Semi
CoilCraft
@
Vishay
Vishay
NSC
NSC
TDK
TDK
TDK
TDK
1.0A & LP2986-5.0
@
VLCF5020T-3R3N2R0-1
150mA
C3216X5ROJ226M
C3216X5ROJ226M
C1608X5R0J225M
CRCW08054532F
CRCW08051002F
Part Number
ME3220-103
LP2986-5.0
MBR0520
LM2830X
CRS08
20197463