TL1454CPW Datasheet, PDF (9/25 Pages) Texas Instruments – DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT

TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
electrical characteristics over recommended operating free-air temperature range, V_CC = 6 V,
f_osc = 500 kHz (unless otherwise noted) (continued)
oscillator
PARAMETER
fosc
Frequency
Standard deviation of frequency
Frequency change with voltage
Frequency change with temperature
Maximum ramp voltage
Minimum ramp voltage
TEST CONDITIONS
CT = 120 pF,
RT = 10 kΩ
VCC = 3.6 V to 20 V,
TA = TA(min) to 25°C
TA = 25°C to 85°C
TA = 25°C
TL1454
MIN TYP
500
50
5
–2
– 10
1.8
1.1
MAX
± 20
± 20
UNIT
kHz
kHz
kHz
kHz
V
V
dead-time control (DTC)
PARAMETER
VIT
Input threshold voltage
VI(latched)
IIB
Latched-mode input voltage
Common-mode input bias current
Latched-mode (source) current
error-amplifier
PARAMETER
VIO
IIO
IIB
VICR
AV
CMRR
VOM(max)
VOM(min)
IO ₊
IO _–
Input offset voltage
Input offset current
Input bias current
Input voltage range
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
output
PARAMETER
VOH
VOL
trv
tfv
High-level output voltage
Low-level output voltage
Output voltage rise time
Output voltage fall time
TEST CONDITIONS
Duty cycle = 0%
Duty cycle = 100%
DTC1, IN1+ ≈ 1.2 V
TA = 25°C
TL1454
MIN TYP
1 1.1
0.4 0.5
1.2
– 100
MAX
1.2
0.6
4
UNIT
V
V
µA
µA
TEST CONDITIONS
VO = 1.25 V, VIC = 1.25 V
VCC = 3.6 V to 20 V
RFB = 200 kΩ
VID = – 0.1 V, VO = 1.20 V
VID = 0.1 V, VO = 1.80 V
TL1454
MIN
TYP
– 0.2 to 1.40
70
60
2.3
0.1
– 45
– 160
80
3
80
2.43
0.63
0.5
– 70
MAX
6
100
– 500
0.8
UNIT
mV
nA
nA
V
dB
MHz
dB
V
mA
µA
TEST CONDITIONS
IO = – 8 mA
IO = – 40 mA
IO = 8 mA
IO = 40 mA
CL = 2000 pF, TA = 25°C
TL1454
MIN TYP
VCC–2 4.5
VCC–2 4.4
0.1
1.8
220
220
MAX
0.4
2.5
UNIT
V
V
ns
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443
9