LM2670LD-5.0 National Semiconductor, LM2670LD-5.0 Datasheet - Page 20

• Manufacturer Part Number: LM2670LD-5.0
• Description: IC REG SW 5.0V 3A STEP-DWN 14LLP
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2670LD-5.0

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 3A
• 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: LM2670LD-5.0TR

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Capacitor Selection Guides
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)
Check voltage rating of capacitors to be greater than application input voltage.
Output
3.3
12
5
(Assumes worst case maximum input voltage and load current for a given inductance value)
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
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
(Continued)
Sanyo MV-GX Series Nichicon PL 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
C Code
Surface Mount
C10
C14
C12
C10
C14
C12
C10
C10
C10
C10
C13
C12
C11
No.
Sprague 594D
Through Hole
C4
C4
C4
1
1
2
2
1
1
2
2
1
2
2
2
2
2
2
1
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