參數(shù)資料
型號: UCC38C4x
廠商: Texas Instruments, Inc.
英文描述: BICMOS LOW POWER CURRENT MODE PWM CONTROLLER
中文描述: BICMOS工藝低功耗電流模式PWM控制器
文件頁數(shù): 14/19頁
文件大小: 296K
代理商: UCC38C4X
SLUS458C AUGUST 2001 REVISED SEPTEMBER 2003
14
www.ti.com
TYPICAL CHARACTERISTICS
Figure 17
5
0
10
15
20
25
200 k
400 k
600 k
800 k
0 k
1 M
1-nF LOAD
NO LOAD
SUPPLY CURRENT
vs
OSCILLATOR FREQUENCY
I
f Frequency Hz
Figure 18
I
50
2.1
3.0
2.9
2.7
2.6
2.4
2.2
2.0
2.3
2.5
2.8
25
0
25
50
75
100
125
SUPPLY CURRENT
vs
TEMPERATURE
TJ Temperature
°
C
NO LOAD
Figure 19
OUTPUT RISE TIME AND FALL TIME
vs
TEMPERATURE
O
10
15
40
35
30
20
25
tf
tr
(1 nF)
50
25
0
25
50
75
100
125
TJ Temperature
°
C
(1 nF)
10% to 90%
VDD = 12 V
Figure 20
D
f Frequency kHz
MAXIMUM DUTY CYCLE
vs
OSCILLATOR FREQUENCY
50
100
90
60
0
500
80
70
CT = 220 pF
CT = 1 nF
1000
1500
2000
2500
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