參數(shù)資料
型號(hào): TSP2104DBV
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO5
封裝: PLASTIC, SOT-23, 5 PIN
文件頁(yè)數(shù): 2/19頁(yè)
文件大小: 432K
代理商: TSP2104DBV
TPS2104, TPS2105
VAUX POWER-DISTRIBUTION SWITCHES
SLVS235A – SEPTEMBER 1999 – REVISED APRIL 2000
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
100
10
1
0.01
0.1
1
10
1000
IN1 SWITCH FALL TIME
vs
OUTPUT CURRENT
10000
100
1000
Fall
T
ime
CL = 100 F
CL = 47 F
CL = 10 F
CL = 1 F
IO – Output Current – mA
t
f
s
VI(IN1) = 5 V
VI(IN2) = 0 V
TJ = 25°C
Figure 10
10
1
0.1
0.01
0.1
100
IN2 SWITCH FALL TIME
vs
OUTPUT CURRENT
1000
1
100
Output
Fall
T
ime
ms
IO – Output Current – mA
t
f
VI(IN1) = 0 V
VI(IN2) = 5 V
TJ = 25°C
10
CL = 47 F
CL = 10 F
CL = 100 F
CL = 1 F
Figure 11
0.4
0.2
0
0.01
0.1
0.6
0.8
1
100
Output
V
oltage
Droop
V
OUTPUT VOLTAGE DROOP
vs
OUTPUT CURRENT WHEN OUTPUT
IS SWITCHED FROM IN2 TO IN1
V
O
CL = 100 F
CL = 10 F
CL = 1 F
CL = 220 F
IO – Output Current – mA
VI(IN1) = 5 V
VI(IN2) = 5 V
TJ = 25°C
CL = 47 F
10
Figure 12
2
1
0
100
200
300
Inrush
Current
A
2.5
3
INRUSH CURRENT
vs
OUTPUT CAPACITANCE
3.5
400
500
1.5
0.5
Co – Output Capacitance – F
VI(IN1) = 5 V
VI(IN2) = 0 V
RL = 10
TJ = 25°C
If switching from IN1 to IN2, the voltage droop is much smaller. Therefore, the load capacitance should be chosen according to the curves in
Figure 15.
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