LM2677LD-12 National Semiconductor, LM2677LD-12 Datasheet - Page 23

• Manufacturer Part Number: LM2677LD-12
• Description: IC REG SW 12V 5A STEP-DOWN 14LLP
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2677LD-12

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 5A
• Frequency - Switching: 260kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-LLP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: LM2677LD-12TR

Capacitor Selection Guides
* Set to a higher value for a practical design solution. See Applications Hints section
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.
Output Voltage
1.21 to 2.50
2.5 to 3.75
6.25 to 7.5
10 to 12.5
12.5 to 15
3.75 to 5
5 to 6.25
7.5 to 10
15 to 20
20 to 30
30 to 37
(V)
Inductance
Output Capacitors for Adjustable Output Voltage Applications (continued)
(µH)
33
47
33
47
100
100
100
100
100
22
33
47
22
33
47
68
22
33
47
68
33
47
68
33
47
68
33
47
68
33
47
68
33
47
68
10
15
22
33
47
68
*
*
*
*
Sanyo OS-CON SA
No.
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
No Values
No Values
Available
Available
Series
C Code
(Continued)
C10
C10
C10
C10
C3
C2
C3
C2
C3
C2
C2
C5
C4
C4
C4
C5
C4
C4
C4
C7
C7
C7
C7
C7
C7
C7
C7
C9
C9
C9
C9
Sanyo MV-GX Series
No.
23
5
4
3
2
3
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
C Code
C10
C10
C10
C10
C12
C11
C11
C11
C11
C11
Through Hole
C1
C1
C1
C1
C1
C1
C1
C6
C6
C6
C6
C6
C6
C6
C2
C6
C6
C2
C2
C6
C2
C2
C2
C7
C7
C7
C7
C7
C7
C7
C7
Nichicon PL Series
No.
5
3
3
2
3
2
1
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
C Code
C14
C14
C14
C14
C14
C14
C15
C15
C15
C15
C15
C15
C15
C15
C16
C16
C16
C16
C20
C20
C20
C20
C20
C20
C3
C3
C1
C3
C1
C1
C3
C3
C1
C3
C1
C1
C3
C1
C1
C9
C9
Panasonic HFQ
No.
3
2
2
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Series
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C Code
C10
C11
C10
C10
C10
C10
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C5
C2
C2
C5
C5
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C