ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VVSDC

DC Supply Voltage

-0.3 to 26

V

VVSP

Supply Voltage Pulse (T < 400ms)

40

V

IOUT

DC Output Current

±1.8

A

VIN1,2

DC Input Voltage

-0.3 to 7

V

VEN

Enable Input Voltage

-0.3 to 7

V

VDIAG

DC Output Voltage

-0.3 to 7

V

IOUT

DC Output Short-circuit Current -0.3V < VOUT < VS + 0.3V

internally limited

IDIAG

DC Sink Current -0.3V < VDG < 7V

internally limited

THERMAL DATA

Symbol

Parameter

Value

Unit

TjTS

Thermal Shut-down Junction Temperature

165

°C

TjTSH

Thermal Shut-down Threshold Hysteresis

25

K

Rth j-amb

Thermal Resistance Junction-Ambient

(1)

50

K/W

Rth j-pins

Thermal Resistance Junction-Pins

15

K/W

(1) With 6cm

2 on board heatsink area.

VS

OUT2

N.C.

GND

GND

GND

GND

N.C.

IN2

IN1

N.C.

GND

GND

GND

GND

N.C.

OUT1

N.C.

1

3

2

4

5

6

7

8

9

18

17

16

15

14

12

13

11

19

10

20

EN

DIAG

D95AT166

PIN CONNECTION (Top view)

PIN FUNCTIONS

N.

Name

Function

1

VS

Supply Voltage

2

OUT2

Channel 2: Push-Pull power output with intrinsic body diode

3, 8, 13,

18,20

NC

NC: Not Connected

4 to 7,

14 to 17

GND

Ground: signal - and power - ground, heat sink

9

IN2

Input 2: Schmitt Trigger input with hysteresis (non-inverting signal control)

10

EN

Enable: LOW or not connected on this input switches the device into standby mode and the

outputs into tristate

11

DIAG

Diagnostic: Open Drain Output that switches LOW if overvoltage or overtemperature is

detected

12

IN1

Input 1: Schmitt Trigger input with hysteresis (non-inverting signal control)

L9997ND

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