參數(shù)資料
型號: TL1454AY
廠商: Texas Instruments, Inc.
英文描述: DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT
中文描述: 雙通道脈寬調(diào)制(PWM)控制電路
文件頁數(shù): 2/27頁
文件大?。?/td> 409K
代理商: TL1454AY
TL1454A, TL1454AY
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A
MAY 2002
REVISED SEPTEMBER 2002
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
_
+
_
+
OSC
PWM
Comparator 1
Error
Amplifier 1
To Internal
Circuitry
2.5 V
1.26 V
1 V
1 V
SCP
VCC
GND
DTC1 DTC2
14
3
15
7
16
4
5
13
12
6
11
10
2
1
CT
RT
OUT1
OUT2
8
VCC
UVLO
and
SCP Latch
IN1+
IN1
IN2+
IN2
COMP1
COMP2
REF
1.8 V
1.2 V
SCP
Comparator 1
Voltage
REF
9
VCC
0.65 V
0.65 V
1.27 V
PWM
Comparator 2
Error
Amplifier 2
SCP
Comparator 2
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