TLC598 Datasheet, PDF (7/10 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL598
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS053C – FEBRUARY 1988 – REVISED JULY 1999
electrical characteristics, V_CC = 15 V, T_A = 25°C
dead-time control section (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598Y
UNIT
MIN TYP MAX
Input bias current (DTC)
Input threshold voltage (DTC)
VI = 0 to 5.25 V
Zero duty cycle
–2
µA
3
V
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
pwm comparator section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598Y
UNIT
MIN TYP MAX
Input threshold voltage (FEEDBACK)
DTC = 0 V
3.75
V
Input sink current (FEEDBACK)
FEEDBACK = 0.5 V
0.7
mA
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
total device (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598Y
UNIT
MIN TYP MAX
Standby supply current
Average supply current
RT = Vref,
All other inputs and outputs open
DTC = 2 V
VCC = 15 V
VCC = 40 V
15
mA
20
15
mA
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
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