参数资料
型号: TS494
厂商: Taiwan Semiconductor Co., Ltd.
英文描述: Voltage Mode PWM Controller
中文描述: 电压模式PWM控制器
文件页数: 2/7页
文件大小: 138K
代理商: TS494
TS494
2-7
2003/12 rev. A
Function Block Diagram
Absolute Maximum Rating
Rating
Symbol
Value
Unit
Power Supply Voltage
Vcc
40
V
Collector Output Voltage
Vc1, Vc2
40
V
Collector Output Current (each transistor)
Ic1, Ic2
250
mA
Amplifier Input Voltage Range
Power Dissipation @ Ta<=45
o
C
V
IR
- 30 ~ +40
V
Pd
1
W
Thermal Resistance, Junction to Ambient
R
θ
JA
80
o
C/W
Operating Junction Temperature
Tj
125
o
C
Storage Temperature Range
Tstg
-55 ~ +125
o
C
Operating Ambient Temperature Range
Ta
0 ~ +70
o
C
Derating Ambient Temperature
Recommended Operating Conditions
Ta
45
o
C
Rating
Symbol
Min.
Typ.
Max
Unit
Power Supply Voltage
Vcc
7
15
40
V
Collector Output Voltage
Vc1, Vc2
--
30
40
V
Collector Output Current (each transistor)
Ic1, Ic2
--
--
200
mA
Amplifier Input Voltage
Vin
- 0.3
--
Vcc-2.0
V
Current Into Feedback Terminal
Ifb
--
--
0.3
mA
Reference Output Current
Iref
--
--
10
mA
Timing Resistor
R
T
1.8
30
500
K
Timing Capacitor
C
T
0.0047
0.001
10
uF
Oscillator Frequency
Fosc
1
40
200
KHz
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