TL3577 Datasheet, PDF (11/21 Pages) Texas Instruments – 100-kHz CURRENT-MODE SIMPLE STEP-UP/FLYBACK SWITCHING REGULATOR

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TL3577
100-kHz CURRENT-MODE SIMPLE STEP-UP/FLYBACK SWITCHING REGULATOR
SLVS633 – OCTOBER 2006
APPLICATION INFORMATION (continued)
Figure 4 shows a typical application of the TL3577 in a SEPIC regulator.
Input
3 V to 12 V
100 µH
1 µF
(See Note A)
22 µF
10 kΩ
680 pF
V_IN
SWITCH
TL3577-ADJ
COMP
FEEDBACK
GND
100 µH
20 kΩ
12.1 kΩ 10 µF
Output
3.3 V
A. Low ESR. Voltage rating must be at least V_IN + V_OUT.
Figure 4. Typical Application – SEPIC Regulator
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