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TPS2236 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. TPS2236
Description  ExpressCard POWER INTERFACE SWITCH
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS2236 Datasheet(HTML) 4 Page - Texas Instruments

 
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TPS2231
TPS2236
SLVS536B – JULY 2004 – REVISED JANUARY 2005
ELECTRICAL CHARACTERISTICS (continued)
T
J = 25°C, VI(3.3VIN) = VI(AUXIN) = 3.3 V, VI(1.5VIN) = 1.5 V, VI(/SHDNx), VI(/STBYx) = 3.3 V, VI(/CPPEx) = VI(/CPUSBx) = 0 V,
V
I(/SYSRST) = 3.3 V, OCx and RCLKENx and PERSTx are open, all voltage outputs unloaded (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
II(AUXIN)
200
320
Normal operation
II(3.3VIN)
17.5
25
µA
of TPS2236
Outputs are unloaded, TJ[–40,
II(1.5VIN)
5.5
15
120
°C] (include CPPEx and CPUSBx
II(AUXIN)
120
210
logic pullup currents)
Normal operation
II(3.3VIN)
10
15
µA
of TPS2231
II(1.5VIN)
2.5
10
Total input
II
quiescent current
II(AUXIN)
250
440
Shutdown mode of
II(3.3VIN)
3.5
20
µA
CPUSB = CPPE = 0 V SHDN = 0 V
TPS2236
(discharge FETs are on) (include
II(1.5VIN)
0.1
20
CPPEx and CPUSBx logic pullup
II(AUXIN)
144
270
currents and SHDN pullup current) TJ
Shutdown mode of
[–40, 120
°C]
II(3.3VIN)
3.5
10
µA
TPS2231
II(1.5VIN)
0.5
10
II(AUXIN)
40
100
SHDN = 3.3 V,
TPS2236
II(3.3VIN)
0.1
100
µA
CPUSB = CPPE = 3.3 V (no card
II(1.5VIN)
0.1
100
Forward leakage
present, discharge FETs are on);
Ilkg(FWD)
current
current measured at input pins
II(AUXIN)
20
50
TJ = 120°C, includes RCLKEN
TPS2231
II(3.3VIN)
0.1
50
µA
pullup current
II(1.5VIN)
0.1
50
TJ = 25°C
0.1
10
II(AUXOUT)
µA
TJ = 120°C
50
VO(AUXOUT) = VO(3.3VOUT)= 3.3 V;
Reverse leakage
TJ = 25°C
0.1
10
VO(1.5VOUT) = 1.5 V; All voltage inputs
Ilkg(RVS)
current (TPS2236 II(3.3VOUT)
µA
are grounded (current measured
TJ = 120°C
50
and TPS2231)
from output pins going in)
TJ = 25°C
0.1
10
II(1.5VOUT)
µA
TJ = 120°C
50
LOGIC SECTION (SYSRST, SHDNx, STBYx, PERSTx, RCLKENx, OCx, CPUSBx, CPPEx)
SYSRST = 3.6 V, sinking
0
1
I(/SYSRST)
Input
µA
SYSRST = 0 V, sourcing
10
30
SHDNx = 3.6 V, sinking
0
1
I(/SHDNx)
Input
µA
SHDNx = 0 V, sourcing
10
30
Logic input
STBYx = 3.6 V, sinking
0
1
supply current
I(/STBYx)
Input
µA
STBYx = 0 V, sourcing
10
30
I(RCLKENx)
Input
RCLKENx = 0 V, sourcing
10
30
µA
CPUSB or CPPE = 0 V, sinking
0
1
I(/CPUSBx) or
Inputs
µA
I(/CPPEx)
CPUSB or CPPE = 3.6 V, sourcing
10
30
High level
2
Logic input
V
voltage
Low level
0.8
RCLEN output low voltage
Output
IO(RCLKEN) = 60 µA
0.4
V
3.3VOUT falling
2.7
3
PERST assertion threshold of output voltage (PERST
asserted when any output voltage falls below the
AUXOUT falling
2.7
3
V
threshold)
1.5VOUT falling
1.2
1.35
3.3VOUT, AUXOUT, or 1.5VOUT
PERST assertion delay from output voltage
500
ns
falling
3.3VOUT, AUXOUT, and 1.5VOUT
PERST de-assertion delay from output voltage
4
10
20
ms
rising within tolerance
Max time from SYSRST asserted or
PERST assertion delay from SYSRST
500
ns
de-asserted
4


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