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MAX5091BASA

28V, 100mA, Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output

Maxim Integrated 

MAX5091

28V, 100mA, Low-Quiescent-Current LDO

with Reset and Power-Fail Input/Output

Electrical Characteristics (MAX5091B) (continued)

(VS = +14V, VOUT = 3.3V, EN unconnected, TA = TJ = -40°C to +125°C, CIN = 10μF, COUT = 10μF, unless otherwise noted. Typical

specifications are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

SENSE

Sense Threshold

VST

VSI falling

1.09

Sense Threshold Hysteresis

50

Sense Output-Low Voltage

Sense Output Leakage Current

Sense Input Current

ENABLE

VSL

VSI ≤ 1.09V, VS ≥ 4V, RSO = 10kΩ to VOUT

ISH

VSO = 3.3V, VSI ≥ 1.5V

ISI

VSI = 3.3V

-1

EN = high, regulator on

2.4

Enable Voltage

VEN

EN = low, regulator off

Enable Internal Pullup Current

IEN

EN is internally pulled up to 3.6V (max)

Note 1: Limits at TA = -40°C are guaranteed by design and not production tested.

Note 2: Maximum output current is limited by the power dissipation capability of the package.

TYP

1.15

100

MAX UNITS

1.23

V

150

mV

0.4

V

1

µA

+1

µA

V

0.4

3

µA

Typical Operating Characteristics

(Typical Application Circuit, VS = +14V, CIN = 10μF, COUT = 10μF, VSI = 0V, VEN = +2.4V, VOUT = +5V, TA = +25°C, unless

otherwise noted.)

OUTPUT VOLTAGE vs. INPUT VOLTAGE

6

VOUT AT NO LOAD, 100A,

1mA, 10mA, 100mA

MAX5091A

5

4

3

2

0

5

10

15

VS (V)

OUTPUT VOLTAGE vs. INPUT VOLTAGE

4

VOUT AT NO LOAD, 100A,

1mA, 10mA, 100mA

MAX5091B

3

2

1

0

0123456

VS (V)

OUTPUT VOLTAGE vs. OUTPUT CURRENT

5.04

MAX5091A

5.02

VS = 14V

5.00

4.98

4.96

VS = 6V

4.94

4.92

4.90

0.01

0.1

1

10

100

IOUT (mA)

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