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参数资料
| 型号： | TPS2102DR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 16/20页 |
| 文件大小： | 456K |
| 代理商： | TPS2102DR |
TPS2102, TPS2103
VAUX POWER-DISTRIBUTION SWITCHES
SLVS234A – SEPTEMBER 1999 – REVISED APRIL 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Input voltage range, VI(IN1) (see Note 1)
– 0.3 V to 5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI(IN2) (see Note 1)
– 0.3 V to 5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI at EN or EN (see Note 1)
– 0.3 V to 5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO (see Note 1)
– 0.3 V to 5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO(IN1)
700 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO(IN2)
140 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation
See dissipation rating table
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature range, TJ
–40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . .
Electrostatic discharge (ESD) protection: Human body model
2 kV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Machine model
200 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charged device model
750 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltages are with respect to GND.
DISSIPATION RATING TABLE
PACKAGE
TA < 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
DBV
309 mW
3.1 mW/
°C
170 mW
123 mW
D
568 mW
5.7 mW/
°C
313 mW
227 mW
recommended operating conditions
MIN
MAX
UNIT
Input voltage, VI(INx)
2.7
4
V
Input voltage, VI at EN and EN
0
4
V
Continuous output current, IO(IN1)
500
mA
Continuous output current, IO(IN2)
100
mA
Operating virtual junction temperature, TJ
–40
85
°C
The device can deliver up to 220 mA at IO(IN2). However, operation at the higher current levels will result in greater voltage drop across the device,
and greater voltage droop when switching between IN1 and IN2.
electrical characteristics over recommended operating junction temperature range,
VI(IN1) = V(IN2) = 3.3 V, IO = rated current (unless otherwise noted)
power switch
PARAMETER
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
IN1 OUT
TJ = 25°C
250
m
rDS( ) On state resistance
IN1-OUT
TJ = 85°C
300
375
m
rDS(on) On-state resistance
IN2 OUT
TJ = 25°C
1.3
IN2-OUT
TJ = 85°C
1.5
2.1
Pulse-testing techniques maintain junction temperature close to ambient termperature; thermal effects must be taken into account separately.
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