TL1451A_15 Datasheet, PDF (21/36 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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VCC
220 kΩ
TL1451A
DUAL PULSEĆWIDTHĆMODULATION CONTROL CIRCUITS
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SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
APPLICATION INFORMATION
470 Ω
150 Ω
L1
0.47 µF
50 kΩ
33 kΩ
R1
R2
33 kΩ
C1
500 pF
Vref
33 kΩ
33 kΩ
16 15 14 13 12 11 10 9
TL1451A
1234 56 78
C5
R5
500
pF
470 Ω
33 kΩ
33 kΩ
470 Ω
330 pF
R3
Step-Up
C2 _Output
R4
470 Ω
220 Ω
1 µF
L2
R6
R7
C4
Step-Down
Output
NOTE A: Values for R1 through R7, C1 through C4, and L1 and L2 depend upon individual application.
Figure 28. High-Speed Dual Switching Regulator
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