參數(shù)資料
型號： TL1454AY
廠商： Texas Instruments, Inc.
英文描述： DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT
中文描述： 雙通道脈寬調(diào)制（PWM）控制電路
文件頁數(shù)： 13/27頁
文件大?。?/td> 409K
代理商： TL1454AY
TL1454A, TL1454AY
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A
–
MAY 2002
–
REVISED SEPTEMBER 2002
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 6
100 k
10 k
1 k
OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE
RT
–
Timing Resistance
–
f
–
–
1 k
10 k
100 k
10 M
1 M
CT = 10 pF
CT = 120 pF
CT = 3900 pF
VCC = 6 V
TA = 25
°
C
CT = 1000 pF
CT = 300 pF
Figure 7
t
–
–
OSCILLATOR PERIOD
vs
TIMING CAPACITANCE
10
–
1
100
105
CT
–
Timing Capacitance
–
pF
s
μ
101
100
101
VCC = 6 V
RT = 5.1 k
TA = 25
°
C
102
102
103
104
Figure 8
–
–
o
f
510
500
490
480
520
OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
530
–
50
0
50
100
TA
–
Free-Air Temperature
–
°
C
VCC = 6 V
RT = 10 k
CT = 120 pF
Figure 9
1.5
1.4
1.3
1.2
1.1
1
0.5
2
P
–
PWM TRIANGLE WAVEFORM AMPLITUDE
vs
TIMING CAPACITANCE
100
101
102
103
Timing Capacitance
–
pF
104
VCC = 6 V
RT = 5.1 k
TA = 25
°
C
VO(min)
VO(max)
1.9
1.8
1.7
1.6
0.9
0.8
0.7
0.6
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