TPS3514

SLVS422A – JULY 2003

www.ti.com

3

ELECTRICAL CHARACTERISTICS

Limits apply over operating free-temperature range, TA = –40°C to +85°C, unless otherwise noted.

PARAMETER

CONDITIONS

TPS3514

UNITS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OVER–VOLTAGE AND OVER-CURRENT PROTECTION

Over–Voltage Threshold

VS33

3.7

3.9

4.1

V

VS5

5.7

6.1

6.5

V

VS12

13.2

13.8

14.4

V

Ratio of Current Sense Sink Current to Current

Sense Setting Pin (RI) Source Current, I(REF) C

Resistor at RI = 30k

Ω, 0.1% Resistor

7.6

8

8.4

Leakage Current (FPO)llkg

V(FPO) = 5V

5

µA

Low-Level Output Voltage (FPO)VOL

I(SINK) = 20mA, VDD = 5V

0.7

V

Noise Deglitch Time (OVP)

VDD = 5V

35

73

110

µs

Current Source Reference Voltage

V(RI)

VDD = 5V

1.1

1.15

1.2

V

UNDER–VOLTAGE LOCKOUT

Start Threshold Voltage

4.45

V

Minimum Operating Voltage After Start–Up

3.65

V

PGI AND PGO

Input Threshold

VIT(PGI)

0.99 x typ

1.15

1.01 x typ

V

Under-Voltage Threshold

VS33

2

2.2

2.4

V

VS5

3.3

3.5

3.7

V

VS12

8.5

9

9.5

V

Input Offset Voltage for OCP Comparators

–5

5

mV

Leakage Current (PGO)

llkg

PGO = 5V

5

µA

Low-Level Output Voltage (PGO)

VOL

I(SINK) = 10mA, VDD = 4.5V

0.4

V

Short-Circuit Protection Delay

3.3V, 5V

49

75

114

ms

Delay Time

td(1)

PGI to PGO

VDD = 5V

200

300

450

ms

PGI to FPO

VDD = 5V

3.2

4.8

7.2

ms

Noise Deglitch Time

PGI to PGO

VDD = 5V

88

150

225

ms

12V UVP to FPO

VDD = 5V

88

150

225

ms

PSON CONTROL

Input Pull-Up Current

II

PSON = 0V

–120

µA

High-Level Input Voltage

VIH

2.4

V

Low-Level Input Voltage

VIL

1.2

V

Debounce Time (PSON)t(b)

VDD = 5V

24

38

50

ms

Delay Time (PSON to FPO)t(d)(2)

VDD = 5V

tb + 1.1

tb + 2.3

tb + 4

ms

TOTAL DEVICE

Supply Current

IDD

PSON = 5V

1

mA