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TPS2236 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. TPS2236
Description  ExpressCard POWER INTERFACE SWITCH
Download  26 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS2236 Datasheet(HTML) 3 Page - Texas Instruments

 
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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS2231
TPS2236
SLVS536B – JULY 2004 – REVISED JANUARY 2005
DISSIPATION RATINGS (Thermal Resistance =
°C/W) (continued)
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PACKAGE
POWER RATING
ABOVE TA = 25°C
POWER RATING
POWER RATING
DAP (32) (1)
993.4 mW
10.46 mW/
°C
522.8 mW
366 mW
PowerPAD not soldered down
DAP (32)(1)
4040.8 mW
42.55 mW/
°C
2126.8 mW
1488.7 mW
MIN
MAX
UNIT
VI(3.3VIN)
3.3VIN is only required for its respective functions
3
3.6
VI(1.5VIN)
Input voltage
1.5VIN is only required for its respective functions
1.35
1.65
V
VI(AUXIN)
AUXIN is required for all circuit operations
3
3.6
IO(3.3VOUT)
0
1.3
A
IO(1.5VOUT)
Continuous output current
TJ = 120°C
0
650
mA
IO(AUXOUT)
0
275
mA
TJ
Operating virtual junction temperature
–40
120
°C
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
POWER SWITCH
TJ = 25°C, I = 1300 mA each
45
3.3VIN to 3.3VOUT with two
m
switches on for dual
TJ = 100°C, I = 1300 mA each
68
TJ = 25°C, I = 650 mA each
46
Power switch
1.5VIN to 1.5VOUT With two
m
resistance
switches on for dual
TJ = 100°C, I = 650 mA each
70
TJ = 25°C, I = 275 mA each
120
AUXIN to AUXOUT with two
m
switches on for dual
TJ = 100°C, I = 275 mA each
200
R(DIS_FET)
Discharge resistance on 3.3V/1.5V/AUX outputs
VI(/SHDNx) = 0 V, I(discharge) = 1 mA
100
500
IOS(3.3VOUT) (steady-state value)
1.35
2
2.5
A
Short-circuit out-
TJ (–40, 120°C]. Output powered into
IOS
IOS(1.5VOUT) (steady-state value)
0.67
1
1.3
A
put current(1)
a short
IOS(AUXOUT)(steady-state value)
275
450
600
mA
Rising temperature, not in
155
165
overcurrent condition
Trip point, TJ
°C
Thermal
shutdown
Overcurrent condition
120
130
Hysteresis
10
VO(3.3VOUT) with 100-mΩ short
43
100
VO(1.5VOUT) with 100-mΩ short,
100
140
From short to the 1st threshold
TPS2231
Current-limit
within 1.1 times of final current
µs
response time
VO(1.5VOUT) with 100-mΩ short,
limit, TJ = 25°C
110
150
TPS2236
VO(AUXOUT) with 100-mΩ short
38
100
II(AUXIN)
125
200
Normal operation
II(3.3VIN)
17.5
25
µA
of TPS2236
Outputs are unloaded,
II(1.5VIN)
5.5
15
Operation input
TJ [–40, 120°C] (does not include
II
quiescent current
CPPEx and CPUSBx logic pullup
II(AUXIN)
85
150
currents)
Normal operation
II(3.3VIN)
10
15
µA
of TPS2231
II(1.5VIN)
2.5
10
(1)
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
3


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