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TPS2220A Datasheet

  • TPS2220A

  • 具有串行接口的 1A 单槽 PC 卡电源开关

  • 735.73KB

  • 31页

  • TI

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TPS2220A, TPS2223A
TPS2224A, TPS2226A
SLVS428B 鈥?MAY 2002 鈥?REVISED SEPTEMBER 2004
www.ti.com
ELECTRICAL CHARACTERISTICS
T
J
= 25掳C, V
I(5V)
= 5 V, V
I(3.3V)
= 3.3 V, V
I(12V)
= 12 V (not applicable for TPS2223A), all outputs unloaded (unless otherwise
noted)
PARAMETER
POWER SWITCH
3.3V to xVCC
(2)
5V to xVCC
(2)
r
DS(on)
Static drain-source
on-state resistance
3.3V or 5V to xVPP
(2)
12V to xVPP
(2)
Output discharge
resistance
Discharge at xVCC
Discharge at xVPP
I
O
= 750 mA each
I
O
= 750 mA each, T
J
= 100掳C
I
O
= 500 mA each
I
O
= 500 mA each, T
J
= 100掳C
I
O
= 50 mA each
I
O
= 50 mA each, T
J
= 100掳C
I
O
= 50 mA each
I
O
= 50 mA each, T
J
= 100掳C
I
O(disc)
= 1 mA
I
O(disc)
= 1 mA
Limit (steady-state value), output pow-
ered into a short circuit
I
OS
Short-circuit output current
Limit (steady-state value), output pow-
ered into a short circuit,
T
J
= 100掳C
Thermal trip point
Hysteresis
5V to xVCC = 5 V, with 100-m鈩?short to GND
5V to xVPP = 5 V, with 100-m鈩?short to GND
I
I(3.3V)
Normal
operation
I
I
Input current, quiescent
Shutdown mode
I
I(5V)
I
I(12V)
I
I(3.3V)
I
I(5V)
I
I(12V)
V
O(xVCC)
= 5 V, V
I(5V)
= V
I(12V)
= 0 V
I
lkg
Leakage current,
output off state
Shutdown mode
V
O(xVPP)
= 12 V, V
I(5V)
= V
I(12V)
= 0 V
T
J
= 100掳C
T
J
= 100掳C
V
O
(xVCC) = V
O
(xVPP) = Hi-z
V
O
(xVCC) = V
O
(xVPP) = 3.3 V and
also for RESET = 0 V
Rising temperature
I
OS(xVCC)
I
OS(xVPP)
I
OS(xVCC)
I
OS(xVPP)
0.5
0.2
1
120
1
120
85
110
95
120
0.8
1
2
2.5
0.7
0.4
1.4
200
1.4
200
135
10
10
3
140
8
100
0.3
0.1
0.3
200
12
180
2
2
2
10
50
10
50
碌A
碌A
110
140
130
160
1
1.3
2.5
3.4
1
0.5
2
300
2
300
k鈩?/div>
A
mA
A
mA
掳C
碌s
鈩?/div>
m鈩?/div>
TEST CONDITIONS
(1)
MIN
TYP
MAX
UNIT
T
J
Thermal shutdown
temperature
(2)
Current-limit response time
(3) (4)
(1)
(2)
(3)
(4)
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
TPS2223A, TPS2224A, TPS2226A: two switches on. TPS2220A: one switch on.
Specified by design; not tested in production.
From application of short to 110% of final current limit.
4

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