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參數(shù)資料
| 型號： | TL494 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | SMPS Controller |
| 中文描述： | 開關(guān)電源控制器 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 449K |
| 代理商： | TL494 |
www.ti.com
PARAMETER MEASUREMENT INFORMATION
Test
Inputs
DTC
FEEDBACK
RT
CT
GND
50 k
12 k
0.01
μ
F
V
CC
REF
OUTPUT
CTRL
E2
C2
E1
C1
Output 1
Output 2
150
2 W
150
2 W
V
CC
= 15 V
TEST CIRCUIT
1IN+
1IN
2IN+
V
CC
V
CC
0 V
0 V
Voltage
at C1
Voltage
at C2
Voltage
at CT
DTC
FEEDBACK
0 V
0.7 V
0%
MAX
0%
Threshold Voltage
Threshold Voltage
VOLTAGE WAVEFORMS
Duty Cycle
Error
Amplifiers
7
14
12
8
9
11
10
4
3
6
5
1
2
16
15
13
2IN
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E–JANUARY 1983–REVISED FEBRUARY 2005
Figure 1. Operational Test Circuit and Waveforms
6
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| TL494_08 | 制造商:HTC 制造商全稱:HTC Korea TAEJIN Technology Co. 功能描述:Pulse-Width-Modulation Control Circuits |
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| TL494_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
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