MAX15011ATJ+ datasheet(5/23 Pages) MAXIM

Part #	MAX15011ATJ+

Description	Automotive 300mA LDO Regulators with Switched Output and Overvoltage Protector

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Manufacturer	MAXIM [Maxim Integrated Products]

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Automotive 300mA LDO Regulators with

Switched Output and Overvoltage Protector

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(VIN = +14V, VSGND = VPGND = 0V, CGATE = 6000pF, CIN = 10µF (ESR < 1.5Ω), COUT_LDO = 22µF (ceramic), COUT_SW = 1µF,

VOUT_LDO = 5V, CT = open, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

FB_PROT to GATE Turn-Off

Propagation Delay

tOV

FB_PROT rising from VTH_PROT -

250mV to VTH_PROT + 250mV

0.6

µs

VSOURCE = VIN = 5.5V,

RGATE to IN = 1M

Ω

VIN +

3.2

VIN +

3.5

VIN +

3.8

GATE Output High Voltage

VGATE - VIN

VSOURCE = VIN; VIN

≥ 14V,

RGATE to IN = 1M

Ω

VIN +

7.0

VIN +

8.1

VIN +

9.5

V

GATE Output Pulldown

Current

IGATEPD

VGATE = 5V, VEN_PROT = 0V

63

100

mA

GATE Charge-Pump

Current

IGATE

GATE = SGND

45

µA

GATE-to-SOURCE Clamp

Voltage

VCLMP

12

16

18

V

SWITCH

Switch Dropout

ΔVSW

ΔVSW = VOUT_LDO - VOUT_SW,

IOUT_SW = 100mA, VOUT_LDO = 5V,

no external MOSFET

36

70

mV

ILIM = OUT_LDO, VIN = 8V

170

200

240

RLIM = 100k

Ω to SGND,

VOUT_LDO = 5V, VIN = 8V

85

100

120

Switch Current Limit

ISW_LIM

RLIM = 39k

Ω to SGND,

VOUT_LDO = 5V, VIN = 8V

30

40

50

mA

Current-Limit Selector ILIM

Voltage

VILIM

RLIM = 100k

Ω

0.395

V

OC_DELAY Timeout

Threshold

VOC_DELAY

1.194

1.235

1.270

V

OC_DELAY Timeout Pullup

Current

IOC_DELAY_UP

VOC_DELAY = 0.5V rising

12.5

16.0

21.3

µA

OC_DELAY Timeout

Pulldown Current

IOC_DELAY_DOWN

VOC_DELAY = 0.5V, falling

0.75

1.00

1.40

µA

Minimum OC_DELAY

Timeout

tOC_DELAY_MIN

COC_DELAY is unconnected

12

µs

EN_SW to OUT_SW

Turn-On Time

OUT_SW rising to +0.5V,

ROUT_SW = 1k

Ω

38

µs

EN_SW to OUT_SW

Turn-Off Propagation Delay

tOV_SW

EN_SW falling, VOUT_LDO - VOUT_SW

rising to +1V, ROUT_SW = 1k

Ω,

VOUT_LDO = 5V

18

µs

Note 1: Specifications to -40°C are guaranteed by design and not production tested.

Note 2: 1.8V is the minimum limit for proper

HOLD functionality.

Note 3: Dropout is defined as VIN - VOUT_LDO when VOUT_LDO is 98% of the value of VOUT_LDO for VIN = VOUT_LDO + 1.5V.

Note 4: Maximum output current may be limited by the power dissipation of the package.

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