TL5002
PULSEWIDTHMODULATION CONTROL CIRCUIT
SLVS304A SEPTEMBER 2000 REVISED AUGUST 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 12
180
160
140
120
50
25
0
Error
Amplifier
Output
V
oltage
mV
200
220
240
25
50
75
100
V
O
TA Ambient Temperature °C
VCC = 6 V
VI(INV) = 1.2 V
VI(NI) = 1 V
No Load
ERROR AMPLIFIER OUTPUT VOLTAGE
vs
AMBIENT TEMPERATURE
Figure 13
60
40
20
0
0.5
1
80
100
120
1.5
2
DTC Voltage V
OUTPUT DUTY CYCLE
vs
DTC VOLTAGE
Output
Duty
Cycle
%
VCC = 6 V
Rt = 100 k
TA = 25 °C
Figure 14
30
20
0
10
20
40
10
10 k
100 k
1 M
10 M
Error
Amplifier
Closed-Loop
Gain
and
Phase
Shift
dB
f Frequency Hz
VCC = 6 V
TA = 25 °C
A
V
Phase
Shift
φ
AV
ERROR AMPLIFIER CLOSED-LOOP GAIN AND
PHASE SHIFT
vs
FREQUENCY
180
°
210
°
240
°
270
°
300
°
330
°
360
°