6152A50 datasheet(5/12 Pages) EMMICRO

Part #	6152A50

Description	5V Automotive Regulator with Windowed Watchdog

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Manufacturer	EMMICRO [EM Microelectronic - MARIN SA]

Direct Link	http://www.emmicroelectronic.com

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EM6152A

5

www.emmicroelectronic.com

06/06, rev. B, Prelim.

Timing Characteristics

VINPUT = 13.5 V, IL = 100 μA, CL = 10 μF + 100 nF, CINPUT = 22 μF, Tj = -40 to + 125 °C, unless otherwise specified

Parameter

Symbol Test Conditions

Min.

Typ.

Max.

Units

Propagation delay TCL to Output Pins

TDIDO

250

500

ns

VIN sensitivity

TSEN

VINhigh=1.1xVREF, VINlow=0.9xVREF

0.5

3

15

μs

Watchdog Reset Pulse Period

TWDRP

TCL

inactive

TCW + TOW+ TWDR

ms

Version V30

Power-on Reset delay

TPOR

ROSC= 116.9 kΩ ±1%

91.6

100

108.3

Closed Window Time

TCW

74

80

85.76

Open Window Time

TOW

37

40

42.88

ms

Watchdog Time

TWD

92.5

100

107.2

Watchdog Reset Pulse Width if no TCL

TWDR

2.25

2.5

2.75

Version V50

Power-on Reset delay

TPOR

ROSC= 121.6 kΩ ±1%

91.6

100

108.3

Closed Window Time

TCW

74

80

85.76

Open Window Time

TOW

37

40

42.88

ms

Watchdog Time

TWD

92.5

100

107.2

Watchdog Reset Pulse Width if no TCL

TWDR

2.25

2.5

2.75

Version V53

Power-on Reset delay

TPOR

ROSC = 23.2 kΩ ±1%

4.57

5.0

5.44

Closed Window Time

TCW

9.24

10

10.77

Open Window Time

TOW

18.48

20

21.54

ms

Watchdog Time

TWD

18.48

20

21.54

Watchdog Reset Pulse Width if no TCL

TWDR

0.56

0.625

0.69

Version V55

Power-on Reset delay

TPOR

ROSC = 107.5 kΩ ±1%

91.6

100

108.3

Closed Window Time

TCW

74

80

85.76

Open Window Time

TOW

37

40

42.88

Watchdog Time

TWD

92.5

100

107.2

ms

Watchdog Reset Pulse Width if no TCL

TWDR

2.25

2.5

2.75

Watchdog Reset Pulse Width in Sleep Mode

TWDRS

ROSC off; RINT=1MΩ

2.8

3.2

3.6

Watchdog Reset Pulse Period in Sleep Mode

TWDRPS

TCL

inactive

750

1100

1450

Table 4

For different values of TWD and ROSC, see figures 9 to 12.

Timing Waveforms

Watchdog Timeout Period

Fig. 4

TCW (closed window)

TOW (open)

TWD

80

120

Time [ms]

Watchdog

timer reset

( V30, V50 and V55 have similar ratios for TCW and TOW )

Version V50:

TCW (closed)

TOW (open)

10

30

Time [ms]

Watchdog

timer reset

Version V53:

For ROSC=121.6 kOhm

For ROSC=23.2 kOhm

TWD

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