Automotive 300mA LDO Regulators with

Switched Output and Overvoltage Protector

4

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ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

OUT_LDO Overvoltage

Protection Threshold

1mA sink from OUT_LDO

105

110

OUT_LDO Overvoltage

Protection Sink Current

8

19

mA

ENABLE/

HOLD INPUTS

2

EN_LDO to EN_PROT Input

Threshold Voltage

0.7

V

EN_LDO, EN_PROT, EN_SW

Input Pulldown Current

EN_ is internally pulled low to SGND

1

µA

1.4

HOLD Input Threshold

Voltage

0.4

V

HOLD Input Pullup

I

HOLD_PU

HOLD is internally pulled high to

OUT_LDO

0.6

µA

RESET

RESET goes HIGH when rising

FB_LDO = SGND

90.0

92.5

95.0

RESET Voltage Threshold

HIGH

V

RESET_H

RESET goes HIGH when rising

90.0

92.5

95.0

RESET goes LOW when falling

FB_LDO = SGND

88

90

92

RESET Voltage Threshold

LOW

V

RESET_L

RESET goes LOW when falling

88

90

92

19

µs

CT Ramp Current

1.50

2

2.35

µA

CT Ramp Threshold

1.190

1.235

1.270

V

RESET Output-Voltage Low

0.1

V

RESET Open-Drain

Leakage Current

Output not asserted

150

nA

LOAD DUMP PROTECTOR (MAX15009 only)

FB_PROT Threshold

Voltage

FB_PROT rising

1.20

1.235

1.27

V

FB_PROT Threshold

Hysteresis

FB_PROT Input Current

-100

+100

nA

Startup Response Time

EN_PROT rising, EN_LDO = IN, to

20

µs

GATE Rise Time

1

ms