TL5001A-Q1_15 Datasheet, PDF (11/19 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL5001A-Q1
www.ti.com .............................................................................................................................................. SLVS603B – AUGUST 2005 – REVISED FEBRUARY 2009
TYPICAL CHARACTERISTICS (continued)
AVERAGE SUPPLY CURRENT
vs
POWER-SUPPLY VOLTAGE
2
R_t = 100 kΩ
T_A = 25 °C
1.5
AVERAGE SUPPLY CURRENT
vs
AMBIENT TEMPERATURE
1.3
V_CC = 6 V
R_t = 100 kΩ
1.2
DT Resistance = 100 kΩ
1.1
1
1
0.9
0.5
0.8
0
0
10
20
30
40
V_CC − Power-Supply Voltage − V
Figure 9.
PWM TRIANGLE WAVE AMPLITUDE VOLTAGE
vs
OSCILLATOR FREQUENCY
1.8
V_CC = 6 V
T_A = 25 °C
1.5
V_oscmax (100% duty cycle)
1.2
0
− 50 − 25
0
25
50
75
100
T_A − Ambient Temperature − °C
Figure 10.
ERROR AMPLIFIER OUTPUT VOLTAGE
vs
OUTPUT (SINK) CURRENT
3
V_CC = 6 V
V_I(FB) = 1.2 V
2.5 ^TA = 25 °C
2
0.9
1.5
V_oscmin (zero duty cycle)
0.6
1
0.3
0
10 k
100 k
1M
f_osc − Oscillator Frequency − Hz
Figure 11.
10 M
0.5
0
0
0.2
0.4
0.6
I_O − Output (Sink) Current − mA
Figure 12.
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