BiCMOS CURRENT MODE
PWM CONTROLLERS
TC18C43
TC28C43
TC38C43
1
TYPICAL CHARACTERISTICS
(Cont.)
IDD vs. Temperature
2.0
VIN = 15V
f = 100kHz
RT = 10 k
RT = 22 k
RT = 47 k
RT = 100 k
10 nF
Frequency of Operation
10nF
Dead Time vs. CT
2
3
1.8
IDD (mA)
1.6
CT
1nF
CT
1nF
1.4
1.2
100pF
1.0
–60 –40–20 0 20 40 60 80 100 120 140
10 kHz
TEMPERATURE (°C)
100kHz
FREQUENCY
1 MHz
100pF
100nsec
1
µsec
DISCHARGE TIME
10µsec
1000
PDIP
SLOPE = – 8mW/°C
CerDIP
SLOPE = – 6.4mW/°C
4
5
SOIC
SLOPE = – 4mW/°C
50
75
100
125
150
AMBIENT TEMPERATURE (°C)
800
P D (mW)
600
400
200
0
25
6
7
8
TELCOM SEMICONDUCTOR, INC.
4-99