MAX8518EUB datasheet(2/9 Pages) MAXIM

Part #	MAX8518EUB

Description	1.425V to 3.6V Input, 1A, 0.2V Dropout LDO Regulators

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Manufacturer	MAXIM [Maxim Integrated Products]

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1.425V to 3.6V Input, 1A,

0.2V Dropout LDO Regulators

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1. VIN = +1.8V, VOUT = +1.5V, EN = IN, IOUT = 1mA, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

IN, EN, POK (MAX8517), POR (MAX8518),

FB to GND .........................................................-0.3V to +4.0V

OUT to GND ..................................................-0.3V to (IN + 0.3V)

Output Short-Circuit Duration.....................................Continuous

Continuous Power Dissipation

(TA = +70°C, EP soldered to PC board ground)

10-Pin µMAX (derate 10.3mW/°C above +70°C) .........824mW

Operating Temperature Range ...........................-40

°C to +85°C

Junction Temperature ......................................................+150

°C

Storage Temperature Range .............................-65

°C to +150°C

Lead Temperature (soldering, 10s) .................................+300

°C

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IN

Input Voltage Range

1.425

3.600

V

Input Undervoltage Lockout

VIN rising, 70mV hysteresis

1.32

1.35

1.38

V

OUT

Output Voltage Range

0.5

3.4

V

Load Regulation

IOUT = 1mA to 1A

0.1

%/A

Line Regulation

VIN = 1.425V to 3.6V, VOUT = 1.225V, IOUT = 1mA

-0.15

0

+0.15

%/V

Dropout Voltage (VIN - VOUT)VIN = 1.425V, IOUT = 1A, VFB = 480mV

100

200

mV

Current Limit

VIN = 3.6V, VOUT = 3V, VFB = 480mV

1.6

2

2.4

A

Output Shutdown Leakage

VIN = 3.6V, VOUT = 0, VEN = 0

0.25

25

µA

FB

IOUT = 10mA, TA = +85

°C

497

500

503

FB Threshold Accuracy

VOUT = 1.225V to 3V, VIN = VOUT + 0.2V to 3.6V,

IOUT = 1mA to 1A

493

507

mV

FB Input Bias Current

VFB = 0.5V, VIN = 3.6V

0.001

1µA

GND

VIN = 3.6V, VOUT = 3V, IOUT = 100mA

320

GND Supply Current

Dropout, VIN = 3.6V, VFB = 480mV

340

600

µA

GND Shutdown Current

VIN = 3.6V, EN = GND

0.25

25

µA

POK (MAX8517 ONLY)

FB high

540

550

560

POK Threshold

VFB moving out of regulation,

VHYS = 10mV, IN = 1.425V to 3.6V

FB low

440

450

460

mV

POK Output Voltage Low

VFB = 0.4V or 0.6V, IPOK = 1mA

25

200

mV

POK Output Current High

VPOK = 3.6V

0.001

1µA

POK Fault Delay Time

From FB to POK

25

50

100

µs

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