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參數(shù)資料
| 型號(hào)： | TL1454IDR |
| 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： | PLASTIC, SO-16 |
| 文件頁(yè)數(shù)： | 11/25頁(yè) |
| 文件大小： | 412K |
| 代理商： | TL1454IDR |
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TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
TYPICAL CHARACTERISTICS
Figure 28
4
3
2
1
5
STANDBY SUPPLY CURRENT
vs
SUPPLY VOLTAGE
6
0
5
10
15
20
25
VCC – Supply Voltage – V
–
Standby
Supply
Current
–
mA
I CC(stby)
VCC = 6 V
RT = Open
CT = 1.5 V
COMP1, COMP2 = 1.25 V
No Load
TA = 25°C
Figure 29
4
3
2
1
– 50
0
50
–
Standby
Supply
Current
–
mA
5
6
100
I CC(stby)
VCC = 6 V
CT = 1.5 V
RT = Open
COMP1, COMP2 = 1.25 V
No Load
STANDBY SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
TA – Free-Air Temperature – °C
Figure 30
0.5
0
1
–
Reference
V
oltage
–
V
1.5
REFERENCE VOLTAGE
vs
SUPPLY VOLTAGE
V
ref
VCC – Supply Voltage – V
0
5
10
15
20
25
TA = 25°C
Figure 31
1.24
1.23
–
Reference
V
oltage
–
V
1.25
REFERENCE VOLTAGE
vs
SUPPLY VOLTAGE
1.26
V
ref
VCC – Supply Voltage – V
0
5
10
15
20
25
IO = 1 mA
TA = 25°C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL1454IN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454PW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454Y | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454YD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
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