Electrical Characteristics

5

Symbol

Parameter

Test Condition

Min

Typ

Max

Units

FEEDBACK

VREF

Feedback Voltage

TA = 25°C

0.594

0.600

0.606

V

-10°C to 85°C

0.591

0.609

IFB

FB Pin Input Current

10

nA

Line Regulation

PVIN from 3V to 5.5V

0.70

%

Load Regulation

ILOAD = 0 to 2A. Note 1

1.0

%/A

FB UVLO

VFBUVLO

FB UVLO Threshold

70

%VREF

OUTPUT DEVICE

RDSON_H

RDSON of High Side

95

150

m

Ω

RDSON_L

RDSON of Low Side

75

100

m

Ω

IL

Peak Current Limit

2.6

3.5

4.5

A

TSH

Thermal Shutdown

Threshold

150

°C

TH

Thermal Shutdown

Hysteresis

20

°C

PVIN OVP

OVPR

Rising Threshold

6.1

V

OVPF

Falling Threshold

5.5

V

OSCILLATOR FREQUENCY

f

Switching Frequency

2.6

3

3.4

MHz

SOFT START

TSS

Soft Start Time

From EN High to VOUT reach

regulation

500

µs

THICCUP

Hiccup Time

VFB = 0.2V

1.2

ms

EN INPUT

ENVIN

Input High

1

V

ENVIL

Input Low

0.4

V

ENH

Hysteresis

0.1

V

ENII

Input Bias

0.01

1

µA

PG ( Power Good)

VPG

Power Good Transition

High Threshold

83

%

VPGHY

Hysteresis

Either VFB rising or falling

40

mV

PGRDSON

Power Good Internal FET

RDSON

VCC = 5V

100

300

Ω

PG FET Leakage Current

0.01

1

µA

PG internal Glitch Filter

Note 1

5

µs

OUTPUT DISCHARGE

Internal Discharge Resistor

80

200

1400

Ω

Note 1: Guaranteed by design, not tested during production.