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ꢆꢇꢅ ꢁ ꢈꢇꢁ ꢉ ꢊꢋꢌ ꢍꢆꢀ ꢎꢋꢏ ꢐ ꢆꢇꢁ ꢅꢀ ꢍꢐ ꢑ ꢒꢐ ꢑꢀ ꢓꢐ ꢁ ꢒ ꢍꢓ ꢒꢇ ꢍ ꢀꢉ
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SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
APPLICATION INFORMATION
V
CC
150 Ω
220 kΩ
470 Ω
L1
50 kΩ
33 kΩ
33 kΩ
0.47 µF
330 pF
R1
R2
33 kΩ
33 kΩ
R3
R4
Step-Up
Output
C2
C1
500 pF
V
ref
16 15 14 13 12 11 10
TL1451A
9
1
2
3
4
5
6
7
8
470 Ω
470 Ω
R5
C5
220 Ω
1 µF
L2
R6
R7
500
pF
Step-Down
Output
C4
33 kΩ
470 Ω
33 kΩ
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
21
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