LM2679T-5.0/NOPB National Semiconductor, LM2679T-5.0/NOPB Datasheet - Page 20

• Manufacturer Part Number: LM2679T-5.0/NOPB
• Description: IC REG SIMPLE SWITCHER TO-220-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2679T-5.0/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 5A
• Frequency - Switching: 260kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-7 (Bent and Staggered Leads)
• For Use With: LM2679-5.0EVAL - EVALUATION BOARD FOR LM2679-5.0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2679T-5.0; *LM2679T-5.0/NOPB; LM2679T-5.0

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.
2
2
2
2
*
*
*
*
*
*
*
*
*
*
*
*
Series
C Code
AVX TPS Series
C10
C10
No.
C9
C7
3
3
4
4
4
4
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Sanyo MV-GX Series
C Code
No.
C7
C4
C9
C9
C8
C9
2
2
1
1
2
2
2
1
1
2
2
2
2
1
1
1
*
*
*
*
*
*
*
*
*
*
20
Sprague 594D Series
C Code
C13
C14
C14
C13
C14
C12
C12
C14
C13
C11
Surface Mount
No.
C8
C8
C8
C8
C8
C8
Through Hole
2
3
2
2
2
3
3
2
1
2
2
3
3
2
2
1
Nichicon PL Series
C Code
C10
C13
C13
C13
C12
C13
C13
C13
C10
C10
C12
C13
C13
C13
C13
No.
C6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Kemet T495 Series
C Code
C18
C25
C24
C24
C25
C25
C25
C23
C19
C18
C18
C18
C24
C23
C21
C22
No.
3
4
3
3
3
4
4
3
2
4
4
4
4
3
2
2
C Code
Panasonic HFQ
C12
C12
C12
C10
C12
C12
C12
C10
C10
C10
C12
C12
C12
C12
No.
C9
C9
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Series
C Code
C16
C16
C16
C16
C13
C11
C14
C13
C15
C11
C8
C8
C8
C8
C8
C8