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TL1454CPWR Datasheet(PDF) 15 Page - Texas Instruments

Part # TL1454CPWR
Description  DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT
PDF  25 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TL1454CPWR Datasheet(HTML) 15 Page - Texas Instruments

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TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
15
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251–1443
TYPICAL CHARACTERISTICS
Figure 14
2
1.5
1
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
–50
Figure 15
80
60
20
0
0
0.5
1
100
DUTY CYCLE
vs
DTC INPUT VOLTAGE
VCC = 6 V
CT = 120 pF
RT = 10 kΩ
TA = 25°C
VI(DTC) – DTC Input Voltage – V
1.5
120
40
0.25
0.75
1.25
0.5
0
040
80
1
ERROR-AMPLIFIER MAXIMUM OUTPUT VOLTAGE
vs
SOURCE CURRENT
1.5
120
Source Current –
µA
VCC = 6 V
VID = 0.1 V
TA = 25°C
2
2.5
ERROR-AMPLIFIER MINIMUM OUTPUT VOLTAGE
vs
SINK CURRENT
0
0.5
1
1.5
VCC = 6 V
VID = 0.1 V
Sink Current – mA
0.5
0
1
1.5
2
2.5
Figure 16
Figure 17



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