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TL5001A-Q1_15 Datasheet, PDF (10/19 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUITS | |||
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TL5001A-Q1
SLVS603B â AUGUST 2005 â REVISED FEBRUARY 2009 .............................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS
OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE
1M
VCC = 6 V
DT Resistance = Rt
TA = 25°C
OSCILLATION FREQUENCY
vs
AMBIENT TEMPERATURE
100
VCC = 6 V
Rt = 100 kâ¦
98
DT Resistance = 100 kâ¦
96
100 k
94
92
90
10 k
10 k
100 k
1M
Rt â Timing Resistance â â¦
Figure 5.
REFERENCE OUTPUT VOLTAGE
vs
POWER-SUPPLY VOLTAGE
2
TA = 25°C
1.8 FB and COMP
Connected Together
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 1 2 3 4 5 6 7 8 9 10
VCC â Power-Supply Voltage â V
Figure 7.
88
â 50 â 25
0
25
50
75 100
TA â Ambient Temperature â °C
Figure 6.
REFERENCE OUTPUT VOLTAGE FLUCTUATION
â
â
â
0.6
0.4
0.2
0
0.2
0.4
0.6
ÃÃÃÃÃÃÃÃÃÃÃÃÃVFCBCoÃÃÃÃÃÃÃÃÃÃÃÃÃCnan=neÃÃÃÃÃÃÃÃÃÃÃÃÃd6ctCVAeOdMÃÃÃÃÃÃÃÃÃÃÃÃÃMBToPIEgÃÃÃÃÃÃÃÃÃÃÃÃÃNetThÃÃÃÃÃÃÃÃÃÃÃÃÃeTrEvMsÃÃÃÃÃÃÃÃÃÃÃÃÃPERÃÃÃÃÃÃÃÃÃÃÃÃÃATUÃÃÃÃÃÃÃÃÃÃÃÃÃREÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ
â 0.8
â 50 â 25
0
25
50
75 100
TA â Ambient Temperature â °C
Figure 8.
10
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