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): 2/17頁
文件大小: 449K
代理商: TL494N
www.ti.com
GND
V
CC
Reference
Regulator
C1
Pulse-Steering
Flip-Flop
C1
1D
DTC
CT
RT
PWM
Comparator
+
Error Amplifier 1
0.1 V
Dead-Time Control
Comparator
Oscillator
OUTPUT CTRL
(see Function Table)
0.7 mA
E1
C2
E2
+
Error Amplifier 2
1IN+
1IN
2IN+
2IN
FEEDBACK
REF
6
5
4
1
2
16
15
3
13
8
9
11
10
12
14
7
Q1
Q2
0.7 V
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E–JANUARY 1983–REVISED FEBRUARY 2005
FUNCTION TABLE
INPUT TO
OUTPUT CTRL
V
I
= GND
V
I
= V
ref
OUTPUT FUNCTION
Single-ended or parallel output
Normal push-pull operation
FUNCTIONAL BLOCK DIAGRAM
2
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