參數(shù)資料
型號: TL494N
廠商: Texas Instruments, Inc.
英文描述: PULSE-WIDTH-MODULATION CONTROL CIRCUITS
中文描述: 脈寬調(diào)制控制電路
文件頁數(shù): 6/17頁
文件大小: 449K
代理商: TL494N
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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