TPS5130

SLVS426 − MAY 2002

www.ti.com

4

ELECTRICAL CHARACTERISTICS (continued)

over operating free-air temperature range, V(VIN) = V(VIN_SENSE12) = V(VIN_SENSE3) = 12 V (unless otherwise noted)

VREF3.3

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO

Output voltage

IO = 0 mA to 30 mA,

V(VIN) = 5.5 V to 28 V,

TA = 25°C

3.15

3.30

3.45

V

Line regulation

V(VIN) = 5.5 V to 28 V, IO = 10 mA

20

mV

Load regulation

IO = 1 mA to 10 mA,

V(VIN) = 5.5 V

40

mV

IOS

Short circuit output current

V(VREF3.3) = 0 V,

TA = 25°C

−30

mA

Control

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIH

High-level input voltage

SS_STBYx, STBY_LDO, PWM_SEL, STBY_VREF3.3/5

2.2

V

VIL

Low-level input voltage

SS_STBYx, STBY_LDO, PWM_SEL, STBY_VREF3.3/5

0.3

V

Output Voltage Monitor

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OVP comparator threshold

SBRC, LDO

0.91

0.95

0.99

V

UVP comparator threshold

SBRC, LDO

0.51

0.55

0.59

V

PG comparator low-level threshold

0.75

0.79

0.81

V

PG comparator high-level threshold

0.88

0.91

0.94

V

PG propagation delay from INVx, INV_LDO to PGOUT (no load at PG_DELAY)

Powergood H to L

6.5

s

PG propagation delay from INVx, INV_LDO to PGOUT (no load at PG_DELAY)

Powergood L to H

16

µs

I(PG_DELAY)

PG_DELAY source current

−1.8

µA

Timer latch current source

UVP protection

−1.5

−2.3

−3.1

µA

Timer latch current source

OVP protection

−80

−125

−180

Oscillator

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fosc

Oscillation frequency

PWM mode, C(CT) = 44 pF, TA = 25°C

300

kHz

VOH

High level output voltage

dc

1

1.1

1.2

V

VOH

High level output voltage

fosc = 300 kHz

1.17

V

VOL

Low level output voltage

dc

0.4

0.5

0.6

V

VOL

Low level output voltage

fosc = 300 kHz

0.43

V

Error Amplifier for SBRC

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIO

Input offset voltage

INVx voltage,

TA = 25°C

2

10

mV

Open loop voltage gain

50

dB

Unity-gain bandwidth

2.5

MHz

IO(snk)

Output sink current

V(FBx) = 1 V

0.2

0.7

mA

IO(src)

Output source current

V(FBx) = 1 V

−0.2

−0.9

mA

Duty Control

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Maximum duty control

CH1/3, fosc = 300 kHz, V(INVx) = 0 V

82%

Maximum duty control

CH2,

fosc = 300 kHz, V(INVx) = 0 V

97%