LM3670MF-1.2/NOPB National Semiconductor, LM3670MF-1.2/NOPB Datasheet - Page 14

• 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

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

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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)