LND3842/43/44/45
TYPICAL PERFORMANCE CHARACTERISTICS
R T
%
(K
)
Ω
C
= 200pF C = 100pF
T
T
50
50
C
=1nF
T
C
= 500pF
T
C
=2nF
T
C
= 1nF
C
=5nF
T
T
20
20
C
=10nF
T
C
= 5nF
T
C
= 10nF
C
= 2nF
T
T
10
5
10
5
C
=500pF
T
C
=200pF
T
2
1
2
1
V
=15V
cc
V
=15V
cc
C
=100pF
T
o
o
T
=25
C
T
=25
C
A
A
20
30
50
100
200
300
500
20
30
50
100
200
300
500
10
10
fOSC (KHz)
fOSC (KHz)
Figure 2. Output Dead-Time vs. Oscillator Frequency
Figure 1. Timing Resistor vs. Oscillator Frequency
(dB)
80
90
Vcc = 15V
VO = 2V to 4V
60
80
70
60
50
40
RL = 100K
TA = 25 oC
40
20
0
-20
100
1K
10K
100K
1M
4
10
1
5
6
f (Hz)
2
3
Figure 3. Maximum Output Duty Cycle vs. Timing Resistor
Figure 4. Error Amp Open-Loop Gain vs. Frequency
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
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