TPS2592Bx datasheet(3/28 Pages) TI

部品番号	TPS2592Bx

部品情報	5V/12V eFuse with Over Voltage Protection and Blocking FET Control

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TPS2592Ax

TPS2592Bx

www.ti.com

SLVSC11A – JUNE 2013 – REVISED JUNE 2013

RECOMMENDED OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

MIN

TYP

MAX

UNIT

VIN TPS2592Ax

4.5

12

13.8

VIN TPS2592Bx

4.5

5

5.5

Input voltage range

BFET

0

VIN+6

V

dV/dT, EN/UVLO

0

6

ILIM

0

3.3

Resistance

ILIM

40.2

100

162

k

Ω

OUT

0.1

1

1000

µF

External capacitance

dV/dT

1

1000

nF

Operating junction temperature range, TJ

–40

25

125

°C

Operating Ambient temperature range, TA

–40

25

85

°C

ELECTRICAL CHARACTERISTICS

–40°C

≤ TJ ≤ 125°C, VIN = 12V for TPS2592Ax, VIN = 5V for TPS2592Bx, VEN/UVLO = 2V, RILIM = 100kΩ, CdVdT = OPEN. All

voltages referenced to GND (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN (INPUT SUPPLY)

VUVR

UVLO threshold, rising

4.15

4.3

4.45

V

VUVhyst

UVLO hysteresis

5.4%

Enabled: EN/UVLO = 2V, TPS2592AX

0.2

0.42

0.65

mA

IQON

Supply current

Enabled: EN/UVLO = 2V, TPS2592Bx

0.4

0.62

0.80

mA

IQOFF

EN/UVLO = 0V

0.1

0.25

mA

VIN > 16.5V, IOUT = 10mA, TPS2592Ax

13.8

15

16.5

TPS2592Bx, VIN > 6.75V, IOUT = 10 mA,

5.5

6.1

6.75

VOVC

Over-voltage clamp

–40

℃ ≤ TJ ≤ 85℃

V

TPS2592Bx, VIN > 6.75V, IOUT = 10 mA,

5.25

6.1

6.75

–40

℃ ≤ TJ ≤ 125℃

EN/UVLO (ENABLE/UVLO INPUT)

VENR

EN Threshold voltage, rising

1.37

1.4

1.44

V

VENF

EN Threshold voltage, falling

1.32

1.35

1.39

V

IEN

EN Input leakage current

0 V

≤ VEN ≤ 5V

–100

0

100

nA

TOFFdly

Turn Off delay

EN

↓ to BFET↓, CBFET = 0

0.4

µs

dV/dT (OUTPUT RAMP CONTROL)

TPS2592Ax, EN/UVLO

→ H to OUT = 11.7V, CdVdT = 0

0.7

1

1.3

TPS2592Bx, EN/UVLO

→ H to OUT = 4.9V, CdVdT = 0

0.28

0.4

0.52

TPS2592Ax, EN/UVLO

→ H to OUT = 11.7V,

TdVdT

Output ramp time

ms

12

CdVdT = 1 nF

TPS2592Bx, EN/UVLO

→ H to OUT = 4.9V,

5

CdVdT = 1 nF

IdVdT

dV/dT Charging current

VdVdT = 0 V

220

nA

RdVdT_disch

dV/dT Discharging resistance

EN/UVLO = 0 V, IdVdT = 10 mA sinking

50

73

100

Ω

VdVdTmax

dV/dT Max capacitor voltage

5.5

V

GAINdVdT

dV/dT to OUT gain

ΔVdVdT

4.85

V/V

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