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TL1451A Fiches technique(PDF) 5 Page - Texas Instruments

No de pièce TL1451A
Description  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Download  36 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TL1451A Fiches technique(HTML) 5 Page - Texas Instruments

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TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
5
www.ti.com
dead-time control section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Input bias current (DTC)
1
µA
Latch mode (source) current (DTC)
TA = 25°C
–80
–145
µA
Latched input voltage (DTC)
IO = 40 µA
2.3
V
Input threshold voltage at f
10 kHz (DTC)
Zero duty cycle
2.05
2.25
V
Input threshold voltage at f = 10 kHz (DTC)
Maximum duty cycle
1.2
1.45
V
† All typical values are at TA = 25°C.
error-amplifier section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Input offset voltage
VO (FEEDBACK) = 1.25 V
±6
mV
Input offset current
VO (FEEDBACK) = 1.25 V
±100
nA
Input bias current
VO (FEEDBACK) = 1.25 V
160
500
nA
1.05
Common-mode input voltage range
VCC = 3.6 V to 40 V
1.05
to
V
Common mode in ut voltage range
VCC = 3.6 V to 40 V
to
1.45
V
Open-loop voltage amplification
RF = 200 kΩ
70
80
dB
Unity-gain bandwidth
1.5
MHz
Common-mode rejection ratio
60
80
dB
Positive output voltage swing
Vref–0.1
V
Negative output voltage swing
1
V
Output (sink) current (FEEDBACK)
VID = –0.1 V,
VO = 1.25 V
0.5
1.6
mA
Output (source) current (FEEDBACK)
VID = 0.1 V,
VO = 1.25 V
–45
–70
µA
† All typical values are at TA = 25°C.
output section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Collector off-state current
VO = 50 V
10
µA
Output saturation voltage
IO = 10 mA
1.2
2
V
Short-circuit output current
VO = 6 V
90
mA
† All typical values are at TA = 25°C.
pwm comparator section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Input threshold voltage at f
10 kHz (FEEDBACK)
Zero duty cycle
2.05
2.25
V
Input threshold voltage at f = 10 kHz (FEEDBACK)
Maximum duty cycle
1.2
1.45
V
† All typical values are at TA = 25°C.
total device
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Standby supply current
Off-state
1.3
1.8
mA
Average supply current
RT = 10 kΩ
1.7
2.4
mA
† All typical values are at TA = 25°C.


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