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): 4/36頁
文件大小: 950K
代理商: TL1451AMFK
TL1451A
DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
12
www.ti.com
TYPICAL CHARACTERISTICS
3
2
1
0
123
VCE
Output
Collector
V
o
ltage
V
4
5
UNDERVOLTAGE LOCKOUT
HYSTERESIS CHARACTERISTICS
6
45
TA = 25°C
TA = –20°C
IO = 10 mA
7,10
8
RL
5 V
I = IO
VDE
TA = 85°C
VCC – Supply Voltage – V
V
CE
2
–25
0
25
50
Undervoltage
Lockout
Threshold
V
oltage
V
2.5
3
UNDERVOLTAGE LOCKOUT CHARACTERISTIC
3.5
75
100
Threshold Voltage –VTH
(Left Scale)
Threshold Voltage –VTL
(Left Scale)
Hysteresis Voltage
(Right Scale)
300
200
100
0
Undervoltage
Lockout
Hystersis
V
oltage
mV
TA – Free-Air Temperature – °C
3.25
2.75
2.25
50
150
250
Figure 11
Figure 12
1.20
1.15
1.10
– 25
0
25
Comparator
Threshold
V
o
ltage
V
1.25
1.30
SHORT-CIRCUIT PROTECTION CHARACTERISTICS
50
75
100
Short-Circuit Protection
Latch Reset Supply Voltage
(Right Scale)
Short-Circuit Protection
Comparator Threshold Voltage
(Left Scale)
3
2.5
2
1.5
1
RS
Latch
Reset
Supply
V
o
ltage
V
TA – Free-Air Temperature – °C
Figure 13
相關(guān)PDF資料
PDF描述
TL1451ACDR 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451AQDREP 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451ACD 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
TL1451AMJ 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP16
5962-9960101Q2A 1 CHANNEL, VIDEO AMPLIFIER, CQCC20
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