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參數(shù)資料
| 型號： | TL1451AMFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 13/36頁 |
| 文件大?。?/td> | 950K |
| 代理商： | TL1451AMFK |
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TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
20
www.ti.com
TYPICAL CHARACTERISTICS
50
60
90
100
0
0.5
1
1.5
2
2.5
3
Output
T
ransistor
“
On
”
Duty
Cycle
–
%
30
10
Dead-Time Input Voltage – V
OUTPUT TRANSISTOR ON DUTY CYCLE
vs
DEAD-TIME INPUT VOLTAGE
0
3.5
4
70
20
40
80
VCC = 3.6 V
RT = 10k
CT = 330 pF
1
0.5
0
010
20
ICC
(Standby)
–
Standby
Current
–
mA
2
STANDBY CURRENT
vs
SUPPLY VOLTAGE
30
40
1.5
CCI
VCC – Supply Voltage – V
TA = 25°C
1.75
1.25
0.75
0.25
Figure 24
Figure 25
1
0.5
0
–25
0
25
50
ICC
–
Supply
Current
–
mA
1.5
2
STANDBY CURRENT
vs
FREE-AIR TEMPERATURE
75
100
CCI
TA – Free-Air Temperature – °C
Average Supply Current
VCC = 6 V, RT = 10 k,
CT = 330 pF
Stand-By Current, VCC = 40 V, No Load
Stand-By Current, VCC = 3.6 V, No Load
600
400
200
0
–25
0
25
50
Maximum
Continuous
Power
Dissipation
–
mW
800
1000
MAXIMUM CONTINUOUS POWER DISSIPATION
vs
FREE-AIR TEMPERATURE
1200
75
100
1100
900
700
500
300
100
16-Pin N Plastic Dip
16-Pin NS Plastic SO
Thermal Resistance
125
°C/W
Thermal Resistance
250
°C/W
TA – Free-Air Temperature
1.75
1.25
0.75
0.25
Figure 26
Figure 27
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| TL1451ACD | 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
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| 5962-9960101Q2A | 1 CHANNEL, VIDEO AMPLIFIER, CQCC20 |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL1451AMFKB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TL1451AMJ | 制造商:Rochester Electronics LLC 功能描述:PWM CONTROLLER, DUAL, VOLTAGE MODE W/DTC - Bulk |
| TL1451AN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| TL1451ANS | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| TL1451APW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
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