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TS494CD 数据表(PDF) 3 Page - Taiwan Semiconductor Company, Ltd

部件名 TS494CD
功能描述  Voltage Mode PWM Controller
PDF  7 Pages
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制造商  TSC [Taiwan Semiconductor Company, Ltd]
网页  http://www.taiwansemi.com
标志 TSC - Taiwan Semiconductor Company, Ltd

TS494CD 数据表(HTML) 3 Page - Taiwan Semiconductor Company, Ltd

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TS494
3-7
2003/12 rev. A
Electrical Characteristics (Ta=25
oC, V
CC = 15V, CT= 0.01uF, RT= 12kΩ; unless otherwise specified.)
REFERENCE SECTION
Parameter
Test Conditions*
Min
Typ
Max
Unit
Output voltage (Vref)
Io=1mA
4.75
5
5.25
V
Line regulation
Vcc= 7V to 40V
--
2.0
25
Load regulation
Io= 1mA to 10mA
--
3.0
15
mV
Output voltage change with temp.
∆Ta=Min to Max
--
0.2
1
%
Short-circuit output current***
Vref= 0
15
35
75
mA
OSCILLATOR SECTION
Frequency
CT= 0.001µF, RT= 30KΩ
--
40
--
KHz
Standard deviation of frequency****
CT= 0.001µF, RT= 30KΩ
--
3.0
--
Frequency change with voltage
Vcc= 7V to 40V
--
0.1
--
Frequency change with temperature***
CT= 0.001µF, RT= 30KΩ
∆Ta= Min to Max
--
--
12
%
ERROR AMPLIFIER SECTION
Input offset voltage
Vo= (pin 3)= 2.5V
--
2.0
10
mV
Input offset current
Vo= (pin 3)= 2.5V
--
5.0
250
nA
Input bias current
Vo= (pin 3)= 2.5V
--
-0.1
-1.0
µA
Common-mode input voltage range
Vcc= 7V to 40V
-0.3 toVcc-2
V
Open-loop voltage amplification
∆Vo= 3V, RL=2KΩ,
Vo= 0.5 to 3.5V
70
95
--
dB
Unity-gain bandwidth
RL= 2KΩ, Vo= 0.5 to 3.5V
--
800
--
KHz
Common-mode rejection ratio
∆Vo= 40V
65
90
--
dB
Power Supply Rejection Ratio
∆Vcc= 33V, Vo= 2.5V,
RL= 2KΩ
--
100
--
dB
Output sink current (pin 3)
VID= -15mV to -5V,
V(pin3)= 0.7V
0.3
0.7
--
mA
Output source current (pin 3)
VID= 15mV to 5V,
V(pin3)= 3.5V
2.0
-4.0
--
mA
OUTPUT SECTION
Collector off-state current
VCE= 40V, VCC= 40V
--
2.0
100
Emitter off-state current
Vcc= 40V, VE= 0
--
--
-100
µA
Common-emitter
VE= 0, Ic= 200mA
--
1.1
1.3
Collector-emitter
saturation voltage
Emitter-follower
Vc= 15V, IE= -200mA
--
1.5
2.5
V
Output control input current
VI= Vref
--
--
3.5
mA
DEAD-TIME CONTROL SECTION
Input bias current (pin 4)
VI= 0 to 5.25V
--
-2.0
-10
µA
Maximum duty cycle, each output
Vi(pin 4)= 0, CT= 0.1µF,
RT= 12KΩ
--
45
50
%
Zero duty cycle
--
3.0
3.3
Input threshold voltage(pin 4)
Maximum duty cycle
0
--
--
V



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