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参数资料
| 型号： | TS2026L |
| 厂商： | Taiwan Semiconductor Co., Ltd. |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Dual-Channel Power Distribution Switch |
| 中文描述： | 双通道配电开关 |
| 文件页数： | 3/7页 |
| 文件大小： | 275K |
| 代理商： | TS2026L |
TS2026L
3-7
2005/11 rev. A
Electrical Characteristics
Vin=5V, T
A
= 25
o
C, unless noted
Parameter
Symbol
Condition
Min.
Typ.
Max.
Units
V
ENA
=V
ENB
≥
2.4V (switch off),
OUT = open
--
0.75
5
uA
Supply Current
I
DD
V
ENA
=V
ENB
≤
0.8V (switch on),
OUT = open
--
100
160
uA
Low-to-high transition
--
1.7
2.4
V
Enable Input threshold
High-to-low transition
0.8
1.455
--
V
Enable Input Hysteresis
V
EN
--
250
--
mV
Enable Input Current
V
ENA
= 0V to 5.5V
-1
0.01
1
uA
Enable Input Capacitance
I
EN
--
1
--
pF
V
IN
= 5V, I
OUT
= 500mA
--
90
140
m
Switch Resistance Note 4
R
DS(ON)
V
IN
= 3.3V, I
OUT
= 500mA
--
100
160
m
Output Leakage Current
V
ENX
≤
0.8V or V
ENX
≥
2.4V
--
--
10
uA
Output Turn-on Delay
t
ON
--
1.3
5
mS
Output Turn-on Rise Time
t
R
--
1.15
4.9
mS
Output Turn-off Delay
t
OFF
--
35
100
uS
Output Turn-off Fall Time
t
F
R
L
=10
, C
L
=1F,
see “Timing Diagrams”
--
32
100
uS
Short-Circuit Output Current
I
LIMIT
V
OUT
= 0V, enable into short-circuit
0.5
0.9
1.25
A
Current –Limit Threshold
Ramped load applied to output
--
1.0
1.25
A
Short-Circuit Response Time
V
OUT
= 0V to I
OUT
= I
LIMIT
(short applied to output)
--
20
--
uS
V
IN
=5V, apply V
OUT
=0V, Until FLG low
1.5
3
7
mS
Over current Flag Response
Delay
t
D
V
IN
=3.3V, apply V
OUT
=0V,
Until FLG low
3
--
mS
V
IN
rising
2.2
2.4
2.7
V
Under voltage Lockout
Threshold
V
IN
falling
2.0
2.15
2.5
V
I
L
=10mA, V
IN
=5V
--
10
25
Error Flag Output Resistance
I
L
=10mA, V
IN
=3.3V
--
15
40
Error Flag Off Current
V
FLAG
=5V
--
--
10
uA
T
J
increasing, each switch
--
140
--
o
C
T
J
decreasing, each switch
--
120
--
o
C
T
J
increasing, both switch
--
160
--
o
C
Over temperature Threshold
Note 5
T
J
decreasing, both switch
--
150
--
o
C
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handing precautions recommended.
Note 4. For maintenance R
DS
≤
140m
assembly to make gold conductors in diameter 50m.
Note 5. If there is a fault on one channel, that channel will shut down when the die reaches approximately 140
o
C. If the
die reaches approximately 160
o
C, both channels will shut down, even if neither channel is in current limit.
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