LM2830XQMF/NOPB National Semiconductor, LM2830XQMF/NOPB Datasheet - Page 21

• Manufacturer Part Number: LM2830XQMF/NOPB
• Description: IC REG BUCK 1A 1.6MHZ SOT23-5
• Manufacturer: National Semiconductor
• Type: Step-Down (Buck)r

Specifications of LM2830XQMF/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 4.5 V
• Current - Output: 1A
• Frequency - Switching: 1.6MHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM2830XQMF

LM2830X Dual Converters with Delayed Enabled Design Example 6
D1, D2 Catch Diode
C2, C4 Output Cap
C1, C3 Input Cap
R2, R4, R5
Part ID
U1, U2
R1, R6
L1, L2
U3
C7
R3
FIGURE 11. LM2830X (1.6MHz): Vin = 5V, Vo = 1.2V @ 1.0A & 3.3V @1.0A
0.3V
1.0A Buck Regulator
Trr delay capacitor
f
22µF, 6.3V, X5R
22µF, 6.3V, X5R
Power on Reset
Schottky 1.5A, 30V
3.3µH, 1.3A
10.0kΩ, 1%
45.3kΩ, 1%
Part Value
100kΩ, 1%
Bill of Materials
R
21
Manufacturer
TOSHIBA
Coilcraft
Vishay
Vishay
Vishay
NSC
NSC
TDK
TDK
TDK
20197462
C3216X5ROJ226M
C3216X5ROJ226M
CRCW08051002F
CRCW08054532F
CRCW08051003F
LP3470M5X-3.08
Part Number
ME3220-332
LM2830X
CRS08
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