LM2674LDX-3.3 National Semiconductor, LM2674LDX-3.3 Datasheet - Page 15

• Manufacturer Part Number: LM2674LDX-3.3
• Manufacturer: National Semiconductor

Specifications of LM2674LDX-3.3

• Dc To Dc Converter Type: Step Down
• Number Of Outputs: 1
• Pin Count: 16
• Input Voltage: 40V
• Output Voltage: 3.3V
• Switching Freq: 275KHz
• Output Current: 500mA
• Efficiency: 86%
• Package Type: LLP EP
• 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: Not Compliant

INDUCTOR VALUE SELECTION GUIDES
Voltage
Output
3.3
5.0
(V)
12
Inductance
(µH)
100
150
100
150
100
150
220
22
33
47
68
22
33
47
68
22
33
47
68
594D Series
Sprague
120/6.3
120/6.3
120/6.3
120/6.3
120/6.3
100/16
100/16
100/16
100/16
120/20
(µF/V)
68/10
68/10
68/10
68/25
47/20
47/20
47/20
47/20
47/20
FIGURE 11. Capacitor Manufacturers’ Phone Numbers
Nichicon Corp.
Panasonic
AVX Corp.
Sprague/Vishay
Sanyo Corp.
Surface Mount
FIGURE 10. Output Capacitor Table
(2x) 68/20
AVX TPS
Series
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
(µF/V)
10010
68/20
68/20
68/20
68/20
68/20
68/20
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Sanyo OS-CON
15
SA Series
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
(µF/V)
68/10
68/10
68/10
68/10
68/20
68/20
47/20
47/20
47/20
47/20
47/20
(For Continuous Mode Operation) (Continued)
Output Capacitor
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
Sanyo MV-GX
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
120/35
Series
(µF/V)
Through Hole
PL Series
Nichicon
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
120/35
(µF/V)
HFQ Series
Panasonic
www.national.com
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
120/35
(µF/V)