參數(shù)資料
型號: TL1454ACDBR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, SSOP-16
文件頁數(shù): 9/25頁
文件大?。?/td> 503K
代理商: TL1454ACDBR
TL1454A, TL1454AY
DUALCHANNEL PULSEWIDTHMODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A MAY 2002 REVISED SEPTEMBER 2002
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
2.4
2.35
Error-Ampplifier
Positive
Output
V
oltage
Swing
V
2.45
ERROR-AMPLIFIER POSITIVE OUTPUT
VOLTAGE SWING
vs
FREE-AIR TEMPERATURE
2.5
V
OM+
TA Free-Air Temperature °C
25
0
25
50
75
100
50
VCC = 6 V
No Load
Amplifier 1
Figure 21
Figure 22
4
3
2
1
5
HIGH-LEVEL OUTPUT VOLTAGE
vs
OUTPUT CURRENT
6
020
40
60
80
IO Output Current mA
High-Level
Output
V
o
ltage
V
OH
VCC = 6 V
TA = 25°C
Figure 23
4
3.5
3
High-Level
Output
V
o
ltage
V
4.5
5
HIGH-LEVEL OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
5.5
V
OH
TA Free-Air Temperature °C
VCC = 6 V
25
0
25
50
75
100
50
IO = 40 mA
IO = 8 mA
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