参数资料
型号: TPS2053DR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: GREEN, PLASTIC, SOIC-16
文件页数: 6/28页
文件大小: 601K
代理商: TPS2053DR
TPS2043, TPS2053
TRIPLE POWER-DISTRIBUTION SWITCHES
SLVS191 – JANUARY 1999
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 24
1.15
1.125
1.1
2.5
3
3.5
4
Threshold
T
rip
Current
A 1.175
THRESHOLD TRIP CURRENT
vs
INPUT VOLTAGE
1.2
4.5
5
6
5.5
VI – Input Voltage – V
TA = 25°C
Load Ramp = 1 A/10 ms
Figure 25
0.8
–50
–25
0
25
50
0.9
SHORT CIRCUIT OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
0.95
75
100
125
0.85
TJ – Junction Temperature – °C
Short-circuit
Output
Current
A
I OS
VI(INx) = 5 V
VI(INx) = 4 V
VI(INx) = 2.7 V
Figure 26
2.2
2.1
2
–50
–25
0
25
50
75
UVLO
Undervoltage
Lockout
V
2.3
2.4
UNDERVOLTAGE LOCKOUT
vs
JUNCTION TEMPERATURE
2.5
100
125
150
TJ – Junction Temperature – °C
Start Threshold
Stop Threshold
Figure 27
250
150
100
0
2.5
5
7.5
Current
Limit
Response
350
450
Peak Current – A
CURRENT-LIMIT RESPONSE
vs
PEAK CURRENT
500
10
12.5
400
300
200
50
s
VI(INx) = 5 V
TA = 25°C
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