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| 型号： | 5962-9457501V2A |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 3/24页 |
| 文件大小： | 871K |
| 代理商： | 5962-9457501V2A |
UCC1806
UCC2806
UCC3806
SLUS272F -- FEBRUARY 2000 -- REVISED AUGUST 2006
11
www.ti.com
10 k
0
100 k
1 M
10 k
100 k
1M
CT =47pF
CT = 100 pF
f OSC
--
Oscillator
F
requency
--
kHz
RT -- Timing Resistance --
CT = 220 pF
CT =2.2 nF
CT =1.0 nF
CT = 470 pF
CT = 330 pF
Figure 3.
OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE
REVISION HISTORY
DATE
REVISION
DESCRIPTION
3/11/05
SLUS272D (Rev. D)
Updated Equation 2 and 3 to remove x3 factor.
5/3/05
SLUS272E (Rev. E)
Adjusted the factors of the switching frequency, Equation 1 and modified the typical
discharge current from 2.0 mA to 2.5 mA.
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