Data Sheet

LT8350S

analog.com

Rev. A

6 of 36

(TA = 25°C, unless otherwise specified, where conditions must be at full operating temperature range. VIN = 12V,

VEN/UVLO= 1.5V, unless otherwise noted.)

PARAMETER

CONDITIONS

COMMENTS

MIN

TYP

MAX UNITS

FB Short Hysteresis

38

50

62

mV

ISP/ISN Over Current

Threshold V(ISP-ISN)

VISP = 12V

750

mV

PGOOD

Upper

Threshold Offset from

VFB

Rising

8

10

12

%

PGOOD

Lower

Threshold Offset from

VFB

Falling

-12

-10

-8

%

PGOOD

Pull-Down

Resistance

130

200

Ω

SS Hard Pull-Down

Resistance

130

200

Ω

SS Pull-Up Current

VFB = 0.8V, VSS = 0V

10.5

12.5

14.5

µA

SS Pull-Down Current

VFB = 1V, VSS = 2V

1.0

1.25

1.5

µA

SS Fault Latch-Off

Threshold

1.75

V

SS Fault Reset

Threshold

0.2

V

Output Current Monitor

ISMON Voltage

V(ISP-ISN) = 100mV,

VISP = 12V/0V

1.21

1.25

1.29

V

ISMON Voltage

V(ISP-ISN) = 0mV,

VISP = 12V/0V

0.22

0.25

0.28

V

Load Switch Driver

LOADEN Threshold

Rising

1.5

V

LOADEN Hysteresis

540

mV

Minimum VOUT for

LOADTG to be ON

VLOADEN = 5V

3

4.0

V

LOADTG ON Voltage

V(VOUT-LOADTG)

VOUT = 12V

4.5

5

5.5

V

LOADTG OFF Voltage

V(VOUT-LOADTG)

VOUT = 12V

-0.1

0

0.1

V