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TL1453 Folha de dados(PDF) 3 Page - Texas Instruments

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Nome de Peças TL1453
Descrição Electrónicos  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TL1453 Folha de dados(HTML) 3 Page - Texas Instruments

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TL1453C
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS039A – FEBRUARY 1990 – REVISED DECEMBER 1990
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
f = 200 kHz (unless otherwise noted) (continued)
undervoltage lockout section
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Upper threshold voltage (pin 9)
IOref = 0.1 mA, TA = 25°C
2.72
V
Lower threshold voltage (pin 9)
IOref = 0.1 mA, TA = 25°C
2.6
V
Hysteresis (pin 9)
IOref = 0.1 mA, TA = 25°C
80
120
mV
oscillator section
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Frequency
CT = 330 pF, RT = 10 kΩ
200
kHz
Standard deviation of frequency
VCC, TA, RT, CT values are constant
10%
Frequency change with voltage
VCC = 3.6 V to 40 V
1%
Frequency change with temperature
TA = –20°C to 25°C
– 0.4%
±2%
Frequency change with tem erature
TA = 25°C to 85°C
– 0.2%
±2%
dead-time control section
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Input bias current (pins 6 and 11)
1
µA
Input threshold voltage at f
10kHz (pins 6 and 11)
Zero duty cycle
2.05
2.25
V
Input threshold voltage at f = 10kHz (pins 6 and 11)
Maximum duty cycle
1.2
1.45
V
error-amplifier section
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Input offset voltage
VO (pins 5 and 12) = 1.25 V
±6
mV
Input offset current
VO (pins 5 and 12) = 1.25 V
±100
nA
Input bias current
VO (pins 5 and 12) = 1.25 V
160
500
nA
1.05
Common-mode input voltage range
VCC = 3.6 V to 40 V
1.05
to
V
gg
CC
1.45
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 (pins 5 and 12)
VID = – 0.1 V, VO = 1.25 V
0.5
1.6
mA
Output (source) current (pins 5 and 12)
VID = 0.1 V,
VO = 1.25 V
–45
–70
µA
output section
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
Collector off state current
VCC = 0, VO = 50 V
10
µA
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.


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