LM2679T-ADJ/NOPB National Semiconductor, LM2679T-ADJ/NOPB Datasheet - Page 21

• 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

Reverse
Voltage
50V or
More
20V
30V
40V
(V)
International Rectifier
Motorola
General
Semiconductor
Diodes, Inc.
30WQ03F
30WQ04F
MBRS340
MBRD340
30WQ05F
30BQ040
Table 5. Schottky Diode Selection Table
Diode Manufacturer Contact Numbers
SK32
SK33
SK34
SK35
3A
Surface Mount
MBRD1545CT
5A or More
MBRD835L
6TQ045S
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
21
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
31DQ03
31DQ05
SR305
MBR340
MBR350
31DQ04
1N5820
1N5821
1N5822
SR302
SR403
3A
Through Hole
5A or More
80SQ045
MBR745
6TQ045
1N5825
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