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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： | 3/7页 |
| 文件大小： | 138K |
| 代理商： | TS494 |
TS494
3-7
2003/12 rev. A
Electrical Characteristics
(Ta=25
o
C, V
CC
= 15V, C
T
= 0.01uF, R
T
= 12k
; 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
C
T
= 0.001
μ
F, R
T
= 30K
--
40
--
KHz
Standard deviation of frequency****
C
T
= 0.001
μ
F, R
T
= 30K
--
3.0
--
Frequency change with voltage
Vcc= 7V to 40V
--
0.1
--
Frequency change with temperature***
C
T
= 0.001
μ
F, R
T
= 30K
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
μ
A
Common-mode input voltage range
Vcc= 7V to 40V
-0.3 toV
cc
-2
V
Open-loop voltage amplification
Vo= 3V, R
L
=2K
,
Vo= 0.5 to 3.5V
70
95
--
dB
Unity-gain bandwidth
R
L
= 2K
, 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,
R
L
= 2K
--
100
--
dB
Output sink current (pin 3)
V
ID
= -15mV to -5V,
V(pin3)= 0.7V
0.3
0.7
--
mA
Output source current (pin 3)
V
ID
= 15mV to 5V,
V(pin3)= 3.5V
2.0
-4.0
--
mA
OUTPUT SECTION
Collector off-state current
V
CE
= 40V, V
CC
= 40V
--
2.0
100
Emitter off-state current
Vcc= 40V, V
E
= 0
--
--
-100
μ
A
Common-emitter
V
E
= 0, Ic= 200mA
--
1.1
1.3
Collector-emitter
saturation voltage
Emitter-follower
Vc= 15V, I
E
= -200mA
--
1.5
2.5
V
Output control input current
V
I
= Vref
--
--
3.5
mA
DEAD-TIME CONTROL SECTION
Input bias current (pin 4)
V
I
= 0 to 5.25V
--
-2.0
-10
μ
A
Maximum duty cycle, each output
Vi(pin 4)= 0, C
T
= 0.1
μ
F,
R
T
= 12K
--
45
50
%
Zero duty cycle
--
3.0
3.3
Input threshold voltage(pin 4)
Maximum duty cycle
0
--
--
V
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PDF描述 |
|---|---|
| TS494CD | Voltage Mode PWM Controller |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS494CD | 制造商:TSC 制造商全称:Taiwan Semiconductor Company, Ltd 功能描述:Voltage Mode PWM Controller |
| TS494CS | 制造商:TSC 制造商全称:Taiwan Semiconductor Company, Ltd 功能描述:Voltage Mode PWM Controller |
| TS4956 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Stereo audio amplifier system with I2C bus interface |
| TS4956EIJT | 功能描述:音频放大器 Stereo Audio Amp System RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TS4956EIKJT | 功能描述:音频放大器 Stereo Audio Amp System RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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