ꢀ ꢁꢁꢂ ꢃ ꢄ ꢃ ꢅꢆꢇ ꢈꢇꢉ ꢀꢁ ꢁꢂ ꢃ ꢄ ꢃ ꢅꢆꢂ ꢈꢇ
ꢊ ꢋꢌ ꢍꢋꢌ ꢎꢏ ꢁ ꢀꢏ ꢏꢎ ꢐꢑ ꢒꢋ ꢓꢎ ꢍ ꢀꢔ ꢕꢆꢍꢀ ꢊꢊ ꢍꢌ ꢒ
SGLS183A − AUGUST 2003 − REVISED APRIL 2008
TYPICAL CHARACTERISTICS
IDD
OSCILLATOR FREQUENCY
vs
EXTERNAL RC VALUES
COMP TO CS OFFSET
vs
TEMPERATURE
vs
OSCILLATOR FREQUENCY
14
1000
1.2
1.0
C = 100 pF
12
5
VDD = 10 V, t = 25
C
IDD
with 1 nF load
C = 220 pF
10
C = 330 pF
100
0.8
8
6
0.6
0.4
C = 1000 pF
10
C = 820 pF
4
C = 560 pF
IDD
0.2
0
without load
2
0
1
−55 −35 −15
5
25
45
65
85 105 125
0
0
200
400
600
800
1000
1200
50
100
150
200
- °C
Temperature
Ω
RT − Timing Resistor − k
Oscillator Frequency − kHz
Figure 3
Figure 4
Figure 5
ERROR AMPLIFIER GAIN AND PHASE
OUTPUT DEAD TIME
vs
EXTERNAL RC VALUES
DEAD TIME
vs
TEMPERATURE
RESPONSE
vs
FREQUENCY
300
250
400
350
300
250
200
150
100
50
90
80
70
60
50
40
180
C = 1000 pF
160
140
120
100
80
VDD = 5 V
VDD = 7.5 V
C = 560 pF
C = 820 pF
C = 330 pF
200
150
Phase
VDD = 10 V
C = 220 pF
30
20
10
60
40
20
100
50
Gain
C = 100 pF
0
0
0
−100
−50
0
50
100
150
1
100
10000
1000000
50
100
150
200
250
Temperature - °C
RT − Timing Resistor − k Ω
Frequency − Hz
Figure 6
Figure 7
Figure 8
CS R
DS(on)
RC R
DS(on)
vs
TEMPERATURE
vs
TEMPERATURE
120
300
250
100
VDD = 5 V
VDD = 5 V
80
60
40
200
150
100
VDD = 7.5 V
VDD = 7.5 V
VDD = 10 V
VDD = 10 V
20
0
50
0
−100
−50
0
50
100
150
−100
−50
0
50
100
150
Temperature - °C
Temperature - °C
Figure 9
Figure 10
8
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TI [ TEXAS INSTRUMENTS ]
