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參數資料
| 型號： | TL1454CN |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 12/25頁 |
| 文件大小： | 412K |
| 代理商： | TL1454CN |
TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
functional block diagram
_
+
_
+
OSC
PWM
Comparator 1
Error
Amplifier 1
To Internal
Circuitry
2.5 V
1.25 V
1 V
SCP
VCC
GND
DTC1 DTC2
14
3
15
7
16
4
5
13
12
6
11
10
21
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
1.25 V
PWM
Comparator 2
Error
Amplifier 2
SCP
Comparator 2
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| TL1454CNSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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