Datasheet

www.ti.com
OSCILLATOR SECTION
8
4
5
V
REF
R
T
/C
T
GROUND
R
T
C
T
For R
T
> 5 K f
~
1.72
R
T
C
T
30
10
3
1
0.3
t
d
− ms
1 2.2 4.7 10 22 47 100
C
T
− nF
Deadtime vs C
T
(R
T
>5 kW)
R
T
− (k )W
100
30
10
3
100 1 k 10 k 100 k 1 M
f − Frequency − Hz
Timing Resistance vs Frequency
OUTPUT SATURATION CHARACTERISTICS
4
3
2
1
0
.01 .02 .03 .04 .05 .07 .1 .2 .3 .4 .5 .7 1
SINK SAT (V
OL
)
SOURCE SAT
(V
CC −
V
OH)
V
CC
= 15 V
T
A
= 25°C
T
A
= −55°C
Output Current, Source or Sink − A
Saturation Voltage − V
ERROR AMPLIFIER OPEN-LOOP FREQUENCY RESPONSE
80
60
40
20
0
0
−45
−90
−135
−180
Voltage Gain − dB
Phase Margin − °
Av
θ
10 100 1 k 10 k 100 k 1 M 10 M
f − Frequency − Hz
UC1842/3/4/5
UC2842/3/4/5
UC3842/3/4/5
SLUS223C – APRIL 1997 – REVISED JUNE 2007
6
Submit Documentation Feedback