Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input Voltage Range

4

23

V

Input UVLO Threshold

3.9

V

UVLO hysteresis

0.1

V

Quiescent Current

120

145

µA

Shutdown Current

EN=0,

6

10

µA

Feedback Reference

Voltage

0.594

0.6

0.606

V

Top FET RON

38

mΩ

Bottom FET RON

19

mΩ

Output Discharge Current

70

mA

Top FET Current Limit

17

A

Bottom FET Current

Limit

ILMT=Low

6.7

7.8

8.9

A

ILMT=Floating

9.3

10.6

11.9

A

ILMT=High

12

13.3

14.8

A

Soft Start Time

1.3

ms

EN/MODE Rising

Threshold

1

V

EN/MODE Falling

Threshold

0.4

V

ILMT Rising Threshold

Vcc-0.5

V

ILMT Falling Threshold

0.5

V

Switching Frequency

510

600

690

kHz

Min ON Time

50

ns

Min OFF Time

150

ns

VCC Output Voltage

With 1mA Load

3.2

3.3

3.4

V

Output Over Voltage

Threshold

115

120

125

Output Over Voltage

Hysteresis

1.5

Output OVP Delay

20

µs

Output Under Voltage

Protection Threshold

57.5

62.5

67.5

Output UVP Delay

200

us

Power Good Threshold

92

Power Good Hysteresis

1.5

Power Good Delay

Low to high

200

µs

High to low

10

µs

Bypass Switch Turn-on

Voltage

2.97

3.1

3.21

V

Bypass Switch

Switchover Hysteresis

0.15

V

Bypass Switch OVP

120

Thermal Shutdown

Temperature

150

°C

Thermal Shutdown

hysteresis

15

°C

Note 1: Stresses beyond the “Absolute Maximum Ratings” may cause permanent damage to the device. These are

stress ratings only. Functional operation of the device at these or any other conditions beyond those indicated in the

HM