TL1454A_14 Datasheet, PDF (11/25 Pages) Texas Instruments – DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT

TL1454A, TL1454AY
DUALĆCHANNEL PULSEĆWIDTHĆMODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A− MAY 2002 − REVISED SEPTEMBER 2002
electrical characteristics, V_CC = 6 V, f_osc = 500 kHz, T_A = 25°C (unless otherwise noted) (continued)
dead-time control (DTC)
PARAMETER
VIT
Input threshold voltage
VI(latched) Latched-mode input voltage
Latched-mode (source) current
TEST CONDITIONS
Duty cycle = 0%
Duty cycle = 100%
TL1454AY
MIN TYP MAX
1.1
0.5
1.2
− 100
UNIT
V
V
µA
error-amplifier
PARAMETER
IIB
AV
CMRR
VOM(max)
VOM(min)
IO ₊
IO _−
Input bias current
Open-loop voltage gain
Unity-gain bandwidth
Common-mode rejection ratio
Positive output voltage swing
Negative output voltage swing
Output sink current
Output source current
TEST CONDITIONS
VO = 1.25 V,
RFB = 200 kΩ
VIC = 1.25 V
VID = − 0.1 V,
VID = 0.1 V,
VO = 1.20 V
VO = 1.80 V
TL1454AY
MIN TYP MAX
− 160
80
3
80
2.43
0.63
0.5
− 70
UNIT
nA
dB
MHz
dB
V
mA
µA
output
PARAMETER
VOH
High-level output voltage
VOL
Low-level output voltage
trv
Output voltage rise time
tfv
Output voltage fall time
supply current
PARAMETER
ICC(stby)
Standby supply current
ICC(average) Average supply current
TEST CONDITIONS
IO = − 8 mA
IO = − 40 mA
IO = 8 mA
IO = 40 mA
CL = 2000 pF
TL1454AY
MIN TYP MAX
4.5
4.4
0.1
1.8
220
220
UNIT
V
V
ns
TEST CONDITIONS
RT open, CT = 1.5 V, No load,
VO (COMP1, COMP2) = 1.25 V,
RT = 10 kΩ,
50% duty cycle,
CT = 120 pF,
Outputs open
TL1454AY
UNIT
MIN TYP MAX
3.1
mA
3.5
mA
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