TPS51116MPWPREP datasheet(6/38 Pages) TI1

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TPS51116-EP

SLUSB52A – OCTOBER 2012 – REVISED NOVEMBER 2012

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ELECTRICAL CHARACTERISTICS (continued)

TJ = −55°C to 125°C, TJ = TA, VV5IN = 5 V, VLDOIN is connected to VDDQ output (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INTERNAL BST DIODE

VFBST

Forward voltage

VV5IN-VBST , IF = 10 mA

0.58

0.8

1.1

IVBSTLK

VBST leakage current

VVBST = 34 V, VLL = 28 V, VVDDQ = 2.6 V

0.1

1.11

μA

PROTECTIONS

VPGND-CS , PGOOD = HI, VCS < 0.5 V

VOCL

Current limit threshold

VPGND-CS , PGOOD = LO, VCS < 0.5 V

VCS > 4.5 V, PGOOD = HI

ITRIP

Current sense sink current

μA

VCS > 4.5 V, PGOOD = LO

TRIP current temperature

RDS(on) sense scheme, On the basis

TCITRIP

4500

ppm/°C

coefficient

of TA = 25°C

(1)

Overcurrent protection

(VV5IN-CS - VPGND-LL), VV5IN-CS = 60 mV,

VOCL(off)

-7

COMP offset

VCS > 4.5 V

Current limit threshold setting

VR(trip)

VV5IN-CS

150

range

POWERGOOD COMPARATOR

PG in from lower

92%

95%

98%

VTVDDQPG

VDDQ powergood threshold

PG in from higher

102%

105%

108%

PG hysteresis

IPG(max)

PGOOD sink current

VVTT = 0 V, VPGOOD = 0.5 V

2.3

7.5

tPG(del)

PGOOD delay time

Delay for PG in

130

205

μs

UNDERVOLTAGE LOCKOUT AND LOGIC THRESHOLD

Wake up

3.6

4.4

V5IN UVLO threshold

VUVV5IN

voltage

Hysteresis

0.19

0.3

0.41

No discharge

4.7

VTHMODE

MODE threshold

Non-tracking discharge

0.08

2.5 V output

0.075

0.150

0.255

VTHVDDQSET

VDDQSET threshold voltage

1.8 V output

3.45

4.55

VIH

High-level input voltage

S3, S5

2.2

VIL

Low-level input voltage

S3, S5

0.3

VIHYST

Hysteresis voltage

S3, S5

0.2

VINLEAK

Logic input leakage current

S3, S5, MODE

-1

μA

VINVDDQSET

Input leakage/ bias current

VDDQSET

-1

UNDERVOLTAGE AND OVERVOLTAGE PROTECTION

OVP detect

109%

115%

121%

VDDQ OVP trip threshold

VOVP

voltage

Hysteresis

VDDQ OVP propagation

tOVPDEL

1.5

μs

delay

UVP detect

70%

VUVP

Output UVP trip threshold

Hysteresis

10%

Output UVP propagation

tUVPDEL

delay

cycle

tUVPEN

Output UVP enable delay

1007

THERMAL SHUTDOWN

Shutdown temperature

160

TSDN

Thermal SDN threshold (1)

°C

Hysteresis

(1)

Specified by design. Not production tested.

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