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): 15/27頁
文件大小: 409K
代理商: TL1454AY
TL1454A, TL1454AY
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A
MAY 2002
REVISED SEPTEMBER 2002
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 14
2
1.5
1
50
V
2.5
3
UVLO THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
3.5
25
0
25
50
75
100
VIT(H)
VIL(L)
TA
Free-Air Temperature
°
C
Figure 15
80
60
20
0
0
0.5
1
D
100
DUTY CYCLE
vs
DTC INPUT VOLTAGE
VCC = 6 V
CT = 120 pF
RT = 10 k
TA = 25
°
C
VI(DTC)
DTC Input Voltage
V
1.5
120
40
0.25
0.75
1.25
0.5
0
0
40
Source Current
μ
A
80
1
ERROR-AMPLIFIER MAXIMUM OUTPUT VOLTAGE
vs
SOURCE CURRENT
2.5
1.5
120
VO
VCC = 6 V
VID = 0.1 V
TA = 25
°
C
2
V
ERROR-AMPLIFIER MINIMUM OUTPUT VOLTAGE
vs
SINK CURRENT
2.5
0
0.5
1
1.5
VCC = 6 V
VID = 0.1 V
Sink Current
mA
0.5
0
1
1.5
2
Figure 16
Figure 17
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