LM2673S-3.3 National Semiconductor, LM2673S-3.3 Datasheet - Page 20

• Manufacturer Part Number: LM2673S-3.3
• Description: IC, BUCK, REG, 3A, 7TO263
• Manufacturer: National Semiconductor

Specifications of LM2673S-3.3

• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 3A
• Voltage Regulator Case Style: TO-263
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

www.national.com
(Assumes worst case maximum input voltage and load current for a given inductance value)
* Check voltage rating of capacitors to be greater than application input voltage.
No. represents the number of identical capacitor types to be connected in parallel
C Code indicates the Capacitor Reference number in Table 2 for identifying the specific component from the manufacturer.
Voltage (V)
Output
3.3
12
5
Voltage (V)
Inductance
Output
3.3
12
5
(µH)
100
10
15
22
33
10
15
22
33
47
10
15
22
33
47
68
Inductance
Table 4. Input Capacitors for Fixed Output Voltage Application
Sanyo OS-CON SA
(µH)
100
10
15
22
33
10
15
22
33
47
10
15
22
33
47
68
No.
1
1
1
1
1
1
1
*
*
*
*
*
*
*
*
*
Series
C Code
AVX TPS Series
C10
C10
C10
No.
C7
C7
C7
C9
2
3
2
2
3
2
2
3
3
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Sanyo MV-GX Series
C Code
C10
C10
C10
No.
C5
C9
C5
C5
C7
C7
2
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
*
*
*
*
*
*
*
20
Sprague 594D Series
C Code
C10
C14
C12
C10
C14
C12
C10
C10
C10
C10
C13
C12
C11
Surface Mount
No.
C4
C4
C4
Through Hole
1
1
2
2
1
1
2
2
1
2
2
2
2
2
2
1
Nichicon PL Series
C Code
C10
C13
C13
C12
C13
C13
C10
C10
C12
C12
C13
C13
C13
No.
C7
C7
C7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Kemet T495 Series
C Code
C18
C24
C20
C14
C14
C18
C23
C20
C18
C18
C18
C18
C23
C21
C22
No.
C5
2
3
3
2
2
2
3
3
2
2
2
3
3
3
2
2
C Code
Panasonic HFQ
C10
C12
C12
C11
C12
C12
C10
C10
C12
C12
C12
No.
C8
C8
C8
C7
C7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Series
C Code
C13
C12
C13
C13
C12
C13
C12
C11
C6
C6
C6
C6
C6
C6
C6
C6