LND3845B Ver la hoja de datos (PDF) - Linear Dimensions Semiconductor
Número de pieza
componentes Descripción
Fabricante
LND3845B Datasheet PDF : 10 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LND3842/43/44/45
RT
(K Ω )
50
20
CT = 10nF
10
CT = 5nF
5
CT = 200pF CT = 100pF
CT = 500pF
CT = 1nF
CT = 2nF
2
Vcc =15V
TA =25o C
1
10
20 30
50
100
200 300
500 f OSC (KHz)
Figure 1. Timing Resistor vs. Oscillator Frequency
%
50
CT =1nF
CT =2nF
CT =5nF
20
CT =10nF
10
5
CT =500pF
2
Vcc =15V
TA =25o C
1
10
20 30
50
CT =200pF
CT =100pF
100
200 300
500 f OSC (KHz)
Figure 2. Output Dead-Time vs. Oscillator Frequency
90
80
70
60
50
40
1
2
3
4
5
6
Figure 3. Maximum Output Duty Cycle vs. Timing Resistor
(dB)
80
60
40
Vcc = 15V
VO = 2V to 4V
RL = 100K
TA = 25 oC
20
0
-20
10
100
1K
10K
100K
1M f (Hz)
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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