Datasheet

 
  
 
SLVS423 A− MAY 2002 − REVISED SEPTEMBER 2002
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics, V
CC
= 6 V, f
osc
= 500 kHz, T
A
= 25°C (unless otherwise noted) (continued)
dead-time control (DTC)
PARAMETER
TEST CONDITIONS
TL1454AY
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UNIT
V
IT
Input threshold voltage
Duty cycle = 0% 1.1
V
V
IT
Input threshold voltage
Duty cycle = 100%
0.5
V
V
I(latched)
Latched-mode input voltage 1.2 V
Latched-mode (source) current −100 µA
error-amplifier
PARAMETER
TEST CONDITIONS
TL1454AY
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UNIT
I
IB
Input bias current V
O
= 1.25 V, V
IC
= 1.25 V −160 nA
A
V
Open-loop voltage gain R
FB
= 200 kΩ 80 dB
Unity-gain bandwidth 3 MHz
CMRR Common-mode rejection ratio 80 dB
V
OM(max)
Positive output voltage swing 2.43
V
V
OM(min)
Negative output voltage swing 0.63
V
I
O+
Output sink current V
ID
= −0.1 V, V
O
= 1.20 V 0.5 mA
I
O−
Output source current V
ID
= 0.1 V, V
O
= 1.80 V −70 µA
output
PARAMETER
TEST CONDITIONS
TL1454AY
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UNIT
V
OH
High-level output voltage
I
O
= −8 mA 4.5
V
V
OH
High-level output voltage
I
O
= −40 mA
4.4
V
V
OL
Low-level output voltage
I
O
= 8 mA 0.1
V
V
OL
Low-level output voltage
I
O
= 40 mA
1.8
V
t
rv
Output voltage rise time
C
L
= 2000 pF
220
ns
t
fv
Output voltage fall time
C
L
= 2000 pF
220
ns
supply current
PARAMETER
TEST CONDITIONS
TL1454AY
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UNIT
I
CC(stby)
Standby supply current
RT open, CT = 1.5 V, No load,
V
O
(COMP1, COMP2) = 1.25 V,
3.1 mA
I
CC(average)
Average supply current
R
T
= 10 kΩ,
50% duty cycle,
C
T
= 120 pF,
Outputs open
3.5 mA