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): 10/25頁
文件大?。?/td> 503K
代理商: TL1454ACDBR
TL1454A, TL1454AY
DUALCHANNEL PULSEWIDTHMODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A MAY 2002 REVISED SEPTEMBER 2002
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 24
4
3
2
1
5
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
6
020
40
60
80
IOL Low-Level Output Current mA
Low-Level
Output
V
oltage
V
OL
VCC = 6 V
TA = 25°C
Figure 25
100
50
0
150
200
LOW-LEVEL OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
250
TA Free-Air Temperature °C
25
0
25
50
75
100
50
VCC = 6 V
IO = 8 mA
Low-Level
Output
V
oltage
mV
V
OL
Figure 26
1.5
1
0.5
2
2.5
LOW-LEVEL OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
3
TA Free-Air Temperature °C
25
0
25
50
75
100
50
VCC = 6 V
IO = 40 mA
Low-Level
Output
V
o
ltage
V
OL
Figure 27
4
3
2
1
5
AVERAGE SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
6
50
25
0
25
50
75
TA Free-Air Temperature °C
A
verage
Supply
Current
mA
I CC(a)
VCC = 6 V
RT = 10 k
CT = 1.5 V
COMP1, COMP2 = 1.25 V
No Load
100
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