TL5002CDRG4 Datasheet, PDF (7/18 Pages) Texas Instruments – PULSE-SIDTH-MODULATION CONTROL CIRCUIT

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TL5002
PULSEĆWIDTHĆMODULATION CONTROL CIRCUIT
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SLVS304A − SEPTEMBER 2000 − REVISED AUGUST 2002
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 kΩ
98
DT Resistance = 100 kΩ
96
100 k
94
92
90
10 k
10 k
100 k
1M
Rt − Timing Resistance − Ω
Figure 4
AVERAGE SUPPLY CURRENT
vs
POWER-SUPPLY VOLTAGE
2
Rt = 100 kΩ
TA = 25 °C
1.5
88
− 50 − 25
0
25
50
75
100
TA − Ambient Temperature − °C
Figure 5
AVERAGE SUPPLY CURRENT
vs
AMBIENT TEMPERATURE
1.3
VCC = 6 V
Rt = 100 kΩ
1.2
DT Resistance = 100 kΩ
1.1
1
1
0.9
0.5
0.8
0
0
10
20
30
40
VCC − Power-Supply Voltage − V
Figure 6
0
− 50 − 25
0
25
50
75
100
TA − Ambient Temperature − °C
Figure 7
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