Datasheet
Table Of Contents
- FEATURES
- DESCRIPTION
- FUNCTIONAL BLOCK DIAGRAMS
- DETAILED DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- DISSIPATION RATING TABLE
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING JUNCTION TEMPERATURE RANGE
- ENABLE INPUT ENx OR ENx
- CURRENT LIMIT
- SUPPLY CURRENT (TPS2045A, TPS2055A)
- SUPPLY CURRENT (TPS2046A, TPS2056A)
- SUPPLY CURRENT (TPS2047A, TPS2057A)
- SUPPLY CURRENT (TPS2048A, TPS2058A)
- UNDERVOLTAGE LOCKOUT
- OVERCURRENT OC
- PARAMETER MEASUREMENT INFORMATION
- TYPICAL CHARACTERISTICS
- APPLICATION INFORMATION
- POWER-SUPPLY CONSIDERATIONS
- OVERCURRENT
- OC RESPONSE
- POWER DISSIPATION AND JUNCTION TEMPERATURE
- THERMAL PROTECTION
- UNDERVOLTAGE LOCKOUT (UVLO)
- UNIVERSAL SERIAL BUS (USB) APPLICATIONS
- HOST/SELF-POWERED AND BUS-POWERED HUBS
- LOW-POWER BUS-POWERED FUNCTIONS AND HIGH-POWER BUS-POWERED FUNCTIONS
- USB POWER-DISTRIBUTION REQUIREMENTS
- GENERIC HOT-PLUG APPLICATIONS (see )

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SUPPLY CURRENT (TPS2045A, TPS2055A)
SUPPLY CURRENT (TPS2046A, TPS2056A)
TPS2045A , , TPS2046A
TPS2047A , TPS2048A , TPS2055A
TPS2056A , TPS2057A , TPS2058A
SLVS251C – SEPTEMBER 2000 – REVISED JANUARY 2008
TPS2045A TPS2055A
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX
T
J
= 25 ° C 0.025 1
V
I( EN)
= V
I(IN)
40 ° C ≤ T
J
≤ 125 ° C 10
Supply current, No Load
µ A
low-level output on OUT
T
J
= 25 ° C 0.025 1
V
I(EN)
= 0 V
40 ° C ≤ T
J
≤ 125 ° C 10
T
J
= 25 ° C 85 110
V
I( EN)
= 0 V
40 ° C ≤ T
J
≤ 125 ° C 100
Supply current, No Load
µ A
high-level output on OUT
T
J
= 25 ° C 85 110
V
I(EN)
= V
I(IN)
40 ° C ≤ T
J
≤ 125 ° C 100
OUT V
I( EN)
= V
I(IN)
40 ° C ≤ T
J
≤ 125 ° C 100
Leakage current connected µ A
V
I(EN)
= 0 V 40 ° C ≤ T
J
≤ 125 ° C 100
to ground
V
I( EN)
= 0 V 0.3
Reverse leakage IN = High
T
J
= 25 ° C µ A
current impedance
V
I(EN)
= V
I(IN)
0.3
TPS2046A TPS2056A
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX
T
J
= 25 ° C 0.025 1
V
I( ENx)
= V
I(IN)
40 ° C ≤ T
J
≤ 125 ° C 10
Supply current, No Load
µ A
low-level output on OUT
T
J
= 25 ° C 0.025 1
V
I(ENx)
= 0 V
40 ° C ≤ T
J
≤ 125 ° C 10
T
J
= 25 ° C 85 110
V
I( ENx)
= 0 V
40 ° C ≤ T
J
≤ 125 ° C 100
Supply current, No Load
µ A
high-level output on OUT
T
J
= 25 ° C 85 110
V
I(ENx)
= V
I(IN)
40 ° C ≤ T
J
≤ 125 ° C 100
OUT V
I( ENx)
= V
I(IN)
40 ° C ≤ T
J
≤ 125 ° C 100
Leakage current connected µ A
V
I(ENx)
= 0 V 40 ° C ≤ T
J
≤ 125 ° C 100
to ground
V
I( EN)
= 0 V 0.3
Reverse leakage IN = high
T
J
= 25 ° C µ A
current impedance
V
I(EN)
= V
I(IN)
0.3
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Product Folder Link(s): TPS2045A TPS2046A TPS2047A TPS2048A TPS2055A TPS2056A TPS2057A TPS2058A