LM2675M-3.3 National Semiconductor, LM2675M-3.3 Datasheet - Page 9
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LM2675M-3.3
Manufacturer Part Number
LM2675M-3.3
Description
DC/DC Converter IC
Manufacturer
National Semiconductor
Datasheet
1.LM2675M-3.3.pdf
(26 pages)
Specifications of LM2675M-3.3
Input Voltage
40V
Output Current
1A
Output Voltage
3.3V
No. Of Pins
8
Mounting Type
Surface Mount
Voltage Regulator Type
Buck Switching
Supply Voltage Min
6.5V
Output Current Max
1A
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2675M-3.3
Manufacturer:
NS
Quantity:
52
Part Number:
LM2675M-3.3
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LM2675M-3.3PB
Manufacturer:
TI/德州仪器
Quantity:
20 000
Test Circuit and Layout Guidelines
C
C
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 µH Sumida # RCR110D-680L
C
C
C
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 µH Sumida # RCR110D-680L
R1 - 1.5 kΩ, 1%
C
For a 5V output, select R2 to be 4.75 kΩ, 1%
where V
Use a 1% resistor for best stability.
IN
OUT
B
IN
OUT
B
- 0.01 µF, 50V Ceramic
- 0.01 µF, 50V Ceramic
- 22 µF, 50V Tantalum, Sprague “199D Series”
- 22 µF, 50V Tantalum, Sprague “199D Series”
- 47 µF, 25V Tantalum, Sprague “595D Series”
- 47 µF, 25V Tantalum, Sprague “595D Series”
REF
= 1.21V
FIGURE 2. Standard Test Circuits and Layout Guides
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Version
Fixed Output Voltage Versions
9
01280322
01280323
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