LM2676SX-12/NOPB National Semiconductor, LM2676SX-12/NOPB Datasheet - Page 17

• Manufacturer Part Number: LM2676SX-12/NOPB
• Description: IC REG SW 12V 3A STP DN TO-263-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2676SX-12/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 3A
• Frequency - Switching: 260kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (7 leads + tab)
• Dc To Dc Converter Type: Step Down
• Pin Count: 7 +Tab
• Input Voltage: 40V
• Output Voltage: 12V
• Switching Freq: 260KHz
• Output Current: 3A
• Efficiency: 94%
• Package Type: TO-263
• Output Type: Fixed
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 8V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM2676SX-12; *LM2676SX-12/NOPB; LM2676SX-12

Capacitor Selection Guides
Reference
Capacitor
Code
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C1
C2
C3
C4
C5
C6
C7
C8
C9
Sanyo OS-CON SA Series
Reference
C (µF)
Capacitor
150
330
100
220
100
150
100
47
33
47
Code
C10
C11
C12
C13
C1
C2
C3
C4
C5
C6
C7
C8
C9
WV (V)
6.3
6.3
6.3
10
10
16
16
16
20
25
C (µF) WV (V)
330
100
220
100
47
33
68
22
10
22
AVX TPS Series
Irms
1.95
2.45
1.87
2.36
0.96
1.92
2.28
2.25
2.09
(A)
Input and Output Capacitor Codes (continued)
1
Table 2. Input and Output Capacitor Codes
6.3
10
10
16
16
20
20
25
35
35
C (µF) WV (V)
1000
1000
1000
1000
Sanyo MV-GX Series
270
470
560
820
150
470
680
220
470
680
Irms
1.15
1.15
0.89
1.15
0.77
0.94
0.77
0.63
0.66
(A)
1.1
6.3
16
16
16
16
16
35
35
35
35
63
63
63
63
C (µF) WV (V)
Sprague 594D Series
120
220
150
100
180
68
47
47
33
68
15
33
15
Surface Mount
17
Through Hole
Irms
0.75
0.95
1.25
0.65
0.76
1.75
(A)
0.8
0.6
1.3
1.3
1.4
1.7
1.2
1.5
6.3
6.3
10
10
16
16
16
20
25
25
35
35
50
C (µF) WV (V)
1000
1200
2200
3300
3900
6800
1800
2200
1200
680
820
180
270
470
680
820
220
220
560
150
220
330
100
390
820
Nichicon PL Series
Irms
1.05
1.35
1.95
1.15
1.05
0.75
(A)
1.1
1.4
1.3
1.6
0.9
1
1
10
10
10
10
10
10
10
10
16
16
16
16
16
16
25
35
35
35
50
50
50
63
63
63
63
C (µF) WV (V)
100
220
330
100
150
220
4.7
33
47
68
10
22
Kemet T495 Series
Irms
0.98
1.06
1.28
1.71
2.18
2.36
2.68
0.41
0.55
0.77
1.02
1.22
1.88
0.63
0.79
1.43
2.68
0.82
1.04
0.75
1.62
2.22
2.51
(A)
0.8
1.3
6.3
6.3
6.3
10
10
10
20
20
20
35
35
50
C (µF) WV (V)
Panasonic HFQ Series
1000
2200
1200
1500
120
220
330
560
820
100
220
470
560
330
82
56
Irms
0.82
0.78
0.94
0.94
0.63
0.63
0.66
(A)
1.1
1.1
1.1
1.1
1.1
35
35
35
35
35
35
35
35
50
50
50
50
50
50
63
63
www.national.com
Irms
0.44
0.76
1.01
1.62
1.73
0.36
0.92
1.44
1.68
2.22
1.42
2.51
(A)
0.4
1.4
2.8
0.5