參數(shù)資料
型號(hào): 2045A
廠商: Texas Instruments, Inc.
英文描述: CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
中文描述: 限流配電開(kāi)關(guān)
文件頁(yè)數(shù): 18/31頁(yè)
文件大小: 478K
代理商: 2045A
TPS2045A, TPS2046A, TPS2047A, TPS2048A
TPS2055A, TPS2056A, TPS2057A, TPS2058A
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS251A
SEPTEMBER 2000
REVISED FEBRUARY 2001
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 20
400
410
420
430
440
450
460
470
480
490
500
40
0
25
85
125
SHORT-CIRCUIT OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
TJ
Junction Temperature
°
C
IO
VI(IN) = 3.3 V
VI(IN) = 2.7 V
VI(IN) = 5 .5V
VI(IN) = 4 .5V
VI(IN) = 5V
Figure 21
T
THRESHOLD TRIP CURRENT
vs
INPUT VOLTAGE
VI
Input Voltage
V
0.57
0.59
0.61
0.63
0.65
0.67
2.5
3
3.5
4
4.5
5
5.5
6
TA = 25
°
C
Load Ramp = 1 A/10 ms
Figure 22
2.16
2.18
2.2
2.22
2.24
2.26
2.28
2.3
2.32
2.34
2.36
40
0
25
85
125
U
UNDERVOLTAGE LOCKOUT
vs
JUNCTION TEMPERATURE
TJ
Junction Temperature
°
C
Start Threshold
Stop Threshold
Figure 23
0
50
100
150
200
250
300
0
2
4
6
8
10
C
Peak Current
A
CURRENT-LIMIT RESPONSE
vs
PEAK CURRENT
s
μ
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