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參數(shù)資料
| 型號： | TPS2148IDGNR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 251K |
| 代理商： | TPS2148IDGNR |
TPS2148
TPS2158
SLVS373
–
AUGUST 2001
6
www.ti.com
electrical characteristics over recommended operating junction-temperature range,
2.9 V
≤
V
I(VIN/SWIN1)
≤
5.5 V, 2.9 V
≤
V
I(SWIN2)
≤
5.5 V, V
I(ENx)
= 0 V, V
I(LDO_EN)
= 5 V, T
J
=
–
40
°
C to
100
°
C (unless otherwise noted)
enable input, ENx (active low)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
VIL
II
High-level input voltage
2
V
Low-level input voltage
0.8
V
μ
A
Input current, pullup (source)
VI(ENx) = 0 V
5
enable input, ENx (active high)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
VIL
II
High-level input voltage
2
V
Low-level input voltage
0.8
V
μ
A
Input current, pulldown (sink)
VI(ENx) = 5 V
5
enable input, LDO_EN (active high)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
VIL
II
High-level input voltage
2
V
Low-level input voltage
0.8
V
μ
A
Input current, pulldown
VI(LDO_EN) = 5 V
5
Falling-edge deglitch (see Note 1)
NOTE 1. Specified by design, not tested in production.
50
μ
s
thermal shutdown characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
First thermal shutdown (shuts down switch or regulator
in overcurrent)
Occurs at or above specified temperature
when overcurrent is present.
120
Recovery from thermal shutdown
110
°
C
Second thermal shutdown (shuts down all switches and
regulator)
Occurs on rising temperature, irrespective of
overcurrent.
155
Second thermal shutdown hysteresis
10
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| TPS2149IDGNR | 功能描述:電源開關(guān) IC - USB 3.3V LDO + Dual Switch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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