LM3670MF-1.2/NOPB National Semiconductor, LM3670MF-1.2/NOPB Datasheet - Page 14
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LM3670MF-1.2/NOPB
Manufacturer Part Number
LM3670MF-1.2/NOPB
Description
IC CONV DC/DC STEP-DOWN SOT23-5
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Step-Down (Buck)r
Datasheet
1.LM3670MFX-ADJNOPB.pdf
(17 pages)
Specifications of LM3670MF-1.2/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.2V
Current - Output
350mA
Frequency - Switching
1MHz
Voltage - Input
2.5 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
For Use With
LM3670MF-1.2EV - BOARD EVALUATION LM3670MF-1.2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
LM3670MF-1.2
LM3670MF-1.2TR
LM3670MF-1.2TR
www.national.com
Application Information
VOUT (V)
1.875
1.24
1.24
1.1
1.2
1.5
1.6
1.7
2.5
R1 (KΩ)
240
280
300
221
402
442
487
549
806
TABLE 3. Adjustable LM3670 Configurations for Various V
R2 (KΩ)
200
200
200
150
200
200
200
200
200
(Continued)
C1 (pF)
68
56
56
75
39
39
33
30
22
14
C2 (pF)
none
none
none
none
none
none
none
120
82
L (µH)
4.7
4.7
4.7
4.7
10
10
10
10
10
OUT
(Continued)
CIN (µF)
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
COUT (µF)
Note: (10 ||
14.7
10
10
10
10
10
10
10
22
4.7)