TL1451A-Q1 Datasheet, PDF (6/24 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL1451A-Q1
ą
DUAL PULSEĆWIDTHĆMODULATION CONTROL CIRCUITS
ą
SGLS304A − JUNE 2005 − REVISED JUNE 2008
error-amplifier section
PARAMETER
Input offset voltage
Input offset current
Input bias current
TEST CONDITIONS
VO (FEEDBACK) = 1.25 V
VO (FEEDBACK) = 1.25 V
VO (FEEDBACK) = 1.25 V
TA = 25°C
TA = 125°C
TA = MIN
TA = 25°C
TA = 125°C
TA = MIN
TA = 25°C
TA = 125°C
TA = MIN
Common-mode input voltage range
VCC = 3.6 V to 40 V
Open-loop voltage amplification
Unity-gain bandwidth
Common-mode rejection ratio
Positive output voltage swing
Negative output voltage swing
Output (sink) current (FEEDBACK)
RF = 200 kΩ
VID = − 0.1 V, VO = 1.25 V
Output (source) current (FEEDBACK)
VID = 0.1 V, VO = 1.25 V
† _{All typical values are at TA = 25°C unless otherwise indicated.}
output section
TA = 25°C
TA = 125°C
TA = MIN
TA = 25°C
TA = 125°C
TA = MIN
TA = 25°C
TA = 125°C
TA = MIN
PARAMETER
TEST CONDITIONS
Collector off-state current
Output saturation voltage
Short-circuit output current
† _{All typical values are at TA = 25°C unless otherwise indicated.}
VO = 50 V
TA = 25°C
TA = 125°C
TA = MIN
VO = 6 V
pwm comparator section
PARAMETER
Input threshold voltage at f = 10 kHz (FEEDBACK)
† _{All typical values are at TA = 25°C unless otherwise indicated.}
‡ _{These parameters are not production tested.}
TEST CONDITIONS
Zero duty cycle
Maximum duty cycle
TL1451AQ
MIN TYP†
160
100
142
1.05
to
1.45
70
80
70
80
64
80
1.5
60
80
2
0.5
1.6
0.4
1.8
0.3
1.7
− 45
− 70
− 25
− 50
− 15
− 70
MAX
±7
± 10
± 12
±100
±100
±200
500
500
700
1
TL1451AQ
MIN TYP† MAX
10
1.2
2
1.6 2.4
1.36 2.2
90
TL1451AQ
MIN TYP† MAX
2.05 2.25^}
1.2^} 1.45
UNIT
mV
nA
nA
V
dB
MHz
dB
V
V
mA
µA
UNIT
µA
V
mA
UNIT
V
6
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