LM2670S-ADJ/NOPB National Semiconductor, LM2670S-ADJ/NOPB Datasheet - Page 17
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LM2670S-ADJ/NOPB
Manufacturer Part Number
LM2670S-ADJ/NOPB
Description
IC REG SIMPLE SWITCHER TO-263-7
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Specifications of LM2670S-ADJ/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.2 ~ 37 V
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)
Primary Input Voltage
40V
No. Of Outputs
1
Output Voltage
37V
Output Current
3A
No. Of Pins
7
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2670S-ADJ
*LM2670S-ADJ/NOPB
LM2670S-ADJ
*LM2670S-ADJ/NOPB
LM2670S-ADJ
Capacitor Selection Guides
Reference
Capacitor
Code
C10
C11
C12
C13
C1
C2
C3
C4
C5
C6
C7
C8
C9
C (µF) WV (V)
330
100
220
100
47
33
68
22
10
22
AVX TPS Series
Table 2. Input and Output Capacitor Codes
6.3
10
10
16
16
20
20
25
35
35
Irms
1.15
1.15
0.89
1.15
0.77
0.94
0.77
0.63
0.66
(A)
1.1
C (µF) WV (V)
Sprague 594D Series
120
220
150
100
180
68
47
47
33
68
15
33
15
Surface Mount
17
6.3
6.3
10
10
16
16
16
20
25
25
35
35
50
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
C (µF) WV (V)
100
220
330
100
150
220
4.7
33
47
68
10
22
Kemet T495 Series
6.3
6.3
6.3
10
10
10
20
20
20
35
35
50
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
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