MAX13037 datasheet(7/22 Pages) MAXIM

Part #	MAX13037

Description	Automotive Contact Monitor and Level Shifters with LDO Regulator

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Automotive Contact Monitor and

Level Shifters with LDO Regulator

_______________________________________________________________________________________

7

WETTING CURRENT vs. VBAT

VBAT (V)

14

10

18

22

-20

-10

0

10

20

30

-30

626

GND-CONNECTED SWITCH

BAT-CONNECTED SWITCH

WETTING CURRENT vs. RWET

RWET (k

Ω)

280

180

230

130

80

-50

0

-30

-20

10

-40

20

40

-10

50

30

330

GND-CONNECTED SWITCH

BAT-CONNECTED SWITCH

WETTING CURRENT PULSE (NORMAL MODE,

WTOFF = 0, WEN = WEND = 1)

VIN_

10V/div

IIN_

20mA/div

INT

2V/div

20ms/div

BAT CURRENT vs. TEMPERATURE

(NORMAL MODE)

TEMPERATURE (

°C)

0

100

70

40

80

50

20

10

90

60

30

110

-40

125

-10

-25

5

35

20

50

80

65

95 110

ADJUSTABLE HYSTERESIS ON

ADJUSTABLE HYSTERESIS OFF

BAT CURRENT vs. TEMPERATURE

(NORMAL MODE)

TEMPERATURE (

°C)

0

7

2

5

6

3

1

4

8

-40

125

-25

95 110

20

-10 5

35

80

50 65

SD = LOW

BAT CURRENT vs. TEMPERATURE

(SCANNING MODE)

TEMPERATURE (

°C)

20

40

25

45

35

30

-40

125

95 110

50

35

20

5

-10

-25

80

65

LDO = ON

SCANNING PERIOD = 2ms

SCANNING PERIOD = 64ms

TYPICAL IN0 DRIVING

(NORMAL MODE, WTOFF = WEN = WEND = 0)

40

μs/div

VIN0

5V/div

VDO0

2V/div

f = 5kHz

TYPICAL IN0 DRIVING

(NORMAL MODE, WTOFF = WEN = WEND = 0)

2ms/div

VIN0

5V/div

VDO0

2V/div

f = 100Hz

ADJUSTABLE HYSTERESIS OFF

HYSTERESIS vs. RHYST

RHYST (k

Ω)

0

7

2

5

6

3

1

4

8

0

400

1000

200

600

800

ADJUSTABLE HYSTERESIS ON

Typical Operating Characteristics

(BAT = +14V,

SD = VBAT, RWET = 61kΩ, RHYST = 90kΩ, CTDEB = 4700pF, CTD = 4700pF, TA = +25°C, unless otherwise noted.)

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