Datasheet

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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) T
A
= 25°C –80 –145 µA
Latched input voltage (DTC) I
O
= 40 µA 2.3 V
In
p
ut 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 T
A
= 25°C.
error-amplifier section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX
UNIT
Input offset voltage V
O
(FEEDBACK) = 1.25 V ±6 mV
Input offset current V
O
(FEEDBACK) = 1.25 V ±100 nA
Input bias current V
O
(FEEDBACK) = 1.25 V 160 500 nA
1.05
Common-mode input volta
g
e ran
g
e V
CC
= 3.6 V to 40 V
1
.
05
to
V
Common mode
in ut
voltage
range
V
CC
=
3
.
6
V
to
40
V
to
1.45
V
Open-loop voltage amplification R
F
= 200 kΩ 70 80 dB
Unity-gain bandwidth 1.5 MHz
Common-mode rejection ratio 60 80 dB
Positive output voltage swing V
ref
–0.1 V
Negative output voltage swing 1 V
Output (sink) current (FEEDBACK) V
ID
= –0.1 V, V
O
= 1.25 V 0.5 1.6 mA
Output (source) current (FEEDBACK) V
ID
= 0.1 V, V
O
= 1.25 V –45 –70 µA
†
All typical values are at T
A
= 25°C.
output section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX
UNIT
Collector off-state current V
O
= 50 V 10 µA
Output saturation voltage I
O
= 10 mA 1.2 2 V
Short-circuit output current V
O
= 6 V 90 mA
†
All typical values are at T
A
= 25°C.
pwm comparator section
PARAMETER
TEST CONDITIONS
TL1451AC
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX
UNIT
In
p
ut 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 T
A
= 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 R
T
= 10 kΩ 1.7 2.4 mA
†
All typical values are at T
A
= 25°C.