MAX5087BATE datasheet(2/13 Pages) MAXIM

2 / 13 page

45V, 400mA, Low-Quiescent-Current

Linear Regulator with Adjustable Reset Delay

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VIN = 14V, IOUT = 1mA, CIN = 47µF (low ESR), COUT = 15µF, VEN = 2.4V, 10k

Ω from RESET to OUT, TA = TJ = -40°C to +125°C,

unless otherwise noted. Typical specifications are at TA = +25°C.) (Note 2)

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 to GND (do not exceed package power

dissipation) .........................................................-0.3V to +50V

IN to GND (T

≤ 300ms, IOUT ≤ 250mA) ..................-0.3V to +42V

EN to GND..............................................................-0.3V to +50V

RESET, OUT, OUTSENSE to GND .........................-0.3V to +12V

IN to OUT................................................................-0.3V to +50V

CT, SET TO GND....................................................-0.3V to +35V

Short-Circuit Duration (VIN

≤ 14V)..............................Continuous

Maximum Current into Any Pin (Except IN, OUT).............±20mA

Continuous Power Dissipation (TA = +70°C)

16-Pin TQFN (derate 33.3mW/°C above +70°C) ......2666mW*

Thermal Resistance (Note 1)

θJA, 16-Pin TQFN ......................................................30.0°C/W

θJC, 16-Pin TQFN ...........................................................2°C/W

Operating Temperature Range .........................-40°C to +125°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

VIN

≥ VOUT + 1.5V

6.5

45.0

IOUT = 0

150

Supply Current

Measured at GND,

SET = GND

IOUT = 400mA

5300

µA

Shutdown Supply Current

ISHDN

VEN

≤ 0.4V

µA

REGULATOR

Guaranteed Output Current

IOUT

VIN = 6.5V, VOUT = 5.0V

400

6.5V

≤ VIN ≤ 25V,

5mA

≤ IOUT ≤ 400mA

4.87

5.13

SET = GND,

5V version

6.5V

≤ VIN ≤ 45V,

5mA

≤ IOUT ≤ 100mA

4.850

5.150

6.5V

≤ VIN ≤ 25V,

5mA

≤ IOUT ≤ 400mA

3.208

3.3

3.392

SET = GND,

3.3V version

6.5V

≤ VIN ≤ 45V,

5mA

≤ IOUT ≤ 100mA

3.208

3.3

3.392

Output Voltage (Note 3)

VOUT

IOUT = 5mA, adjustable range

2.5

11.0

Dropout Voltage

ΔVDO

IOUT = 400mA, VOUT = 5V (Note 4)

0.9

2.2

Startup Response Time

Rising edge of VIN to VOUT,

RL = 500

Ω, SET = GND (Note 5)

400

µs

5V version

-1

Line Regulation

ΔVOUT /

ΔVIN

≤ VIN ≤ 45V

3.3V version

-0.5

+0.5

mV/V

VEN = high, regulator on

2.4

Enable Voltage

VEN

VEN = low, regulator off

0.4

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7 using a four-

layer board. For detailed information on thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

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