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TL1453CPWR Datasheet, PDF (3/8 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT
TL1453C
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS039A – FEBRUARY 1990 – REVISED DECEMBER 1990
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
f = 200 kHz (unless otherwise noted) (continued)
undervoltage lockout section
PARAMETER
Upper threshold voltage (pin 9)
Lower threshold voltage (pin 9)
Hysteresis (pin 9)
oscillator section
PARAMETER
Frequency
Standard deviation of frequency
Frequency change with voltage
Frequency change with temperature
dead-time control section
PARAMETER
Input bias current (pins 6 and 11)
Input threshold voltage at f = 10kHz (pins 6 and 11)
TEST CONDITIONS
IOref = 0.1 mA,
IOref = 0.1 mA,
IOref = 0.1 mA,
TA = 25°C
TA = 25°C
TA = 25°C
MIN TYP†
2.72
2.6
80 120
MAX
UNIT
V
V
mV
TEST CONDITIONS
CT = 330 pF, RT = 10 kΩ
VCC, TA, RT, CT values are constant
VCC = 3.6 V to 40 V
TA = –20°C to 25°C
TA = 25°C to 85°C
MIN TYP†
200
10%
1%
– 0.4%
– 0.2%
MAX
± 2%
± 2%
UNIT
kHz
TEST CONDITIONS
Zero duty cycle
Maximum duty cycle
MIN TYP†
2.05
1.2 1.45
MAX
1
2.25
UNIT
µA
V
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 (pins 5 and 12)
Output (source) current (pins 5 and 12)
output section
PARAMETER
Collector off-state current
Output saturation voltage
Short-circuit output current
† All typical values are at TA = 25°C.
TEST CONDITIONS
VO (pins 5 and 12) = 1.25 V
VO (pins 5 and 12) = 1.25 V
VO (pins 5 and 12) = 1.25 V
VCC = 3.6 V to 40 V
RF = 200 kΩ
MIN
1.05
to
1.45
70
60
Vref – 0.1
TYP†
160
80
1.5
80
VID = – 0.1 V, VO = 1.25 V
0.5
1.6
VID = 0.1 V, VO = 1.25 V
– 45
– 70
MAX
±6
±100
500
1
UNIT
mV
nA
nA
V
dB
MHz
dB
V
V
mA
µA
TEST CONDITIONS
VCC = 0, VO = 50 V
VO = 50 V
IO = 10 mA
VO = 6 V
MIN TYP†
1.2
90
MAX
10
10
2
UNIT
µA
V
mA
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