TL1451A Datasheet, PDF (5/29 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL1451A
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
dead-time control section
PARAMETER
Input bias current (DTC)
Latch mode (source) current (DTC)
Latched input voltage (DTC)
Input threshold voltage at f = 10 kHz (DTC)
† _{All typical values are at TA = 25°C.}
error-amplifier section
PARAMETER
Input offset voltage
Input offset current
Input bias current
Common-mode input voltage range
Open-loop voltage amplification
Unity-gain bandwidth
Common-mode rejection ratio
Positive output voltage swing
Negative output voltage swing
Output (sink) current (FEEDBACK)
Output (source) current (FEEDBACK)
† _{All typical values are at TA = 25°C.}
output section
PARAMETER
Collector off-state current
Output saturation voltage
Short-circuit output current
† _{All typical values are at TA = 25°C.}
pwm comparator section
PARAMETER
Input threshold voltage at f = 10 kHz (FEEDBACK)
† _{All typical values are at TA = 25°C.}
total device
PARAMETER
Standby supply current
Average supply current
† _{All typical values are at TA = 25°C.}
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
TEST CONDITIONS
TA = 25°C
IO = 40 µA
Zero duty cycle
Maximum duty cycle
TL1451AC
MIN TYP† MAX
1
– 80 –145
2.3
2.05 2.25
1.2 1.45
UNIT
µA
µA
V
V
TEST CONDITIONS
VO (FEEDBACK) = 1.25 V
VO (FEEDBACK) = 1.25 V
VO (FEEDBACK) = 1.25 V
VCC = 3.6 V to 40 V
RF = 200 kΩ
VID = – 0.1 V, VO = 1.25 V
VID = 0.1 V, VO = 1.25 V
TL1451AC
MIN TYP†
160
1.05
to
1.45
70
80
1.5
60
80
Vref – 0.1
0.5
1.6
– 45
–70
MAX
±6
±100
500
1
UNIT
mV
nA
nA
V
dB
MHz
dB
V
V
mA
µA
TEST CONDITIONS
VO = 50 V
IO = 10 mA
VO = 6 V
TL1451AC
MIN TYP† MAX
10
1.2
2
90
UNIT
µA
V
mA
TEST CONDITIONS
Zero duty cycle
Maximum duty cycle
TL1451AC
MIN TYP† MAX
2.05 2.25
1.2 1.45
UNIT
V
TEST CONDITIONS
Off-state
RT = 10 kΩ
TL1451AC
MIN TYP† MAX
1.3 1.8
1.7 2.4
UNIT
mA
mA
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