參數(shù)資料
型號(hào)： 2045A
廠商： Texas Instruments, Inc.
英文描述： CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
中文描述： 限流配電開關(guān)
文件頁數(shù)： 12/31頁
文件大?。?/td> 478K
代理商： 2045A
TPS2045A, TPS2046A, TPS2047A, TPS2048A
TPS2055A, TPS2056A, TPS2057A, TPS2058A
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS251A
–
SEPTEMBER 2000
–
REVISED FEBRUARY 2001
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature range, V
I(IN)
= 5.5 V,
I
O
= rated current, V
I(EN)
= 0 V, V
I(EN)
= V
I(IN)
(unless otherwise noted) (continued)
supply current (TPS2047A, TPS2057A)
PARAMETER
TEST CONDITIONS
TPS2047A
MIN
TPS2057A
MIN
UNIT
TYP
0.05
MAX
TYP
MAX
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
–
40
°
C
≤
TJ
≤
125
°
C
–
40
°
C
≤
TJ
≤
125
°
C
2
Supply current,
low-level output
No load on OUTx
VI(ENx) = VI(INx)
20
μ
A
VI(EN )= 0 V
VI(ENx) = 0 V
0.05
2
20
160
200
Supply current,
high-level output
No load on OUTx
VI(ENx) = 0 V
200
A
μ
VI(EN )= VI(IN )
VI(ENx) = VI(INx)
160
200
200
Leakage current
OUTx connected
to ground
VI(ENx) = VI(INx)
VI(ENx) = 0 V
VI(ENx) = 0 V
VI(ENx) = VI(IN)
200
μ
A
200
Reverse leakage
current
IN = high
impedance
TJ= 25
TJ = 25
°
C
0.3
μ
A
0.3
supply current (TPS2048A, TPS2058A)
PARA-
METER
TEST CONDITIONS
TPS2048A
MIN
TPS2058A
MIN
UNIT
TYP
0.05
MAX
TYP
MAX
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
TJ = 25
°
C
–
40
°
C
≤
TJ
≤
125
°
C
–
40
°
C
≤
TJ
≤
125
°
C
–
40
°
C
≤
TJ
≤
125
°
C
2
Supply current,
low-level output
No Load
on OUTx
VI(ENx) = VI(INx)
20
μ
A
VI(EN )= 0 V
VI(ENx) = 0 V
0.05
2
20
170
220
Supply current,
high-level output
No Load
on OUTx
VI(ENx) = 0 V
200
μ
A
VI(EN )= VI(IN )
VI(ENx) = VI(INx)
170
220
200
Leakage current
OUTx connected
to ground
VI(ENx) = VI(INx)
VI(ENx) = 0 V
VI(EN) = 0 V
VI(EN) = VI(IN)
200
μ
A
200
Reverse leakage
current
IN = high
impedance
TJ= 25
TJ = 25
°
C
0.3
μ
A
0.3
undervoltage lockout
PARAMETER
TEST CONDITIONS
TPS204xA
MIN
TPS205xA
MIN
UNIT
TYP
MAX
TYP
MAX
Low-level input voltage
2
2.5
2
2.5
V
Hysteresis
TJ = 25
°
C
100
100
mV
overcurrent OC
PARAMETER
TEST CONDITIONS
TPS204xA
MIN
TPS205xA
MIN
UNIT
TYP
MAX
TYP
MAX
Sink current
VO = 5 V
IO = 5 V, VOL(OC)
VO = 5 V, VO = 3.3 V
10
10
mA
Output low voltage
Off-state current
Specified by design, not production tested.
0.5
0.5
V
μ
A
1
1
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