LM2679T-ADJ/NOPB National Semiconductor, LM2679T-ADJ/NOPB Datasheet - Page 18

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

Specifications of LM2679T-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 37 V
• 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)
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 37V
• Output Current: 5A
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Filter Terminals: Through Hole
• Rohs Compliant: Yes
• Dc To Dc Converter Type: Step Down
• Pin Count: 7 +Tab
• Input Voltage: 40V
• Switching Freq: 260KHz
• Efficiency: 84%
• Package Type: TO-220
• Output Type: Adjustable
• Switching Regulator: Yes
• Mounting: Through Hole
• Input Voltage (min): 8V
• Operating Temperature Classification: Automotive
• For Use With: LM2679-5.0EVAL - EVALUATION BOARD FOR LM2679-5.0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM2679T-ADJ; *LM2679T-ADJ/NOPB; LM2679T-ADJ

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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
C (µF)
150
330
100
220
100
150
100
47
33
47
WV (V)
6.3
6.3
6.3
10
10
16
16
16
20
25
Nichicon
Panasonic
AVX
Sprague/Vishay
Sanyo
Kemet
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
Capacitor Manufacturer Contact Numbers
C (µF) WV (V)
1000
1000
1000
1000
Sanyo MV-GX Series
270
470
560
820
150
470
680
220
470
680
6.3
16
16
16
16
16
35
35
35
35
63
63
63
63
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
18
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
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
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
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
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
C (µF) WV (V)
Panasonic HFQ Series
1000
2200
1200
1500
120
220
330
560
820
100
220
470
560
330
82
56
35
35
35
35
35
35
35
35
50
50
50
50
50
50
63
63
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