TPS2112

TPS2113

SLVS446 – DECEMBER 2002

www.ti.com

4

ELECTRICAL CHARACTERISTICS (Continued)

over recommended operating junction temperature range, VI(IN1) = VI(IN2) = 5.5 V, RILIM = 400 Ω (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CURRENT LIMIT CIRCUIT

TPS2112

RILIM = 400 Ω

0.51

0.63

0.80

Current limit accuracy

TPS2112

RILIM = 700 Ω

0.30

0.36

0.50

A

Current limit accuracy

TPS2113

RILIM = 400 Ω

0.95

1.25

1.56

A

TPS2113

RILIM = 700 Ω

0.47

0.71

0.99

td

Current limit settling time(1)

Time for short–circuit output current to

settle within 10% of its steady state value.

1

ms

Input current at ILIM

VI(ILIM) = 0 V, IO(OUT) = 0 A

–15

0

µA

(1) Not tested in production.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VSNS COMPARATOR

VSNS threshold voltage

VI(VSNS) ↑

0.78

0.8

0.82

V

VSNS threshold voltage

VI(VSNS) ↓

0.735

0.755

0.775

V

VSNS comparator hysteresis(1)

30

60

mV

Deglitch of VSNS comparator (both

↑↓)(1)

90

150

220

µs

Input current

0 V

≤ VI(VSNS) ≤ 5.5 V

–1

1

µA

UVLO

IN1 and IN2 UVLO

Falling edge

1.15

1.25

V

IN1 and IN2 UVLO

Rising edge

1.30

1.35

V

IN1 and IN2 UVLO hysteresis(1)

30

57

65

mV

Internal V

UVLO (the higher of IN1 and IN2)

Falling edge

2.4

2.53

V

Internal VDD UVLO (the higher of IN1 and IN2)

Rising edge

2.58

2.8

V

Internal VDD UVLO hysteresis(1)

30

50

75

mV

UVLO deglitch for IN1, IN2(1)

Falling edge

110

µs

(1) Not tested in production.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

REVERSE CONDUCTION BLOCKING

∆VO(I_block)

Minimumoutput-to-inputvoltage

difference to block switching

EN = high, VI(IN1) = 3.3 V and VI(IN2) = VI(VSNS) =

0 V. Connect OUT to a 5 V supply through a series

1-k

Ω resistor. Let EN = low. Slowly decrease the

supply voltage until OUT connects to IN1.

80

100

120

mV

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

THERMAL SHUTDOWN

Thermal shutdown threshold(1)

TPS211x is in current limit.

135

Recovery from thermal shutdown(1)

TPS211x is in current limit.

125

°C

Hysteresis(1)

10

C

IN2–IN1 COMPARATORS

Hysteresis of IN2–IN1 comparator

0.1

0.2

V

Deglitch of IN2–IN1 comparator, (both

↑↓)(1)

90

150

220

µs

(1) Not tested in production.