MAX16028 datasheet(2/15 Pages) MAXIM

Part #	MAX16028

Description	Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual-/Triple-/Quad-Voltage, Capacitor-

Adjustable, Sequencing/Supervisory Circuits

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = 2.2V to 28V, TA = -40°C to +125°C, unless otherwise specified. Typical values are at VCC = 3.3V and TA = +25°C.) (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.

(All voltages referenced to GND.)

VCC .........................................................................-0.3V to +30V

EN1–EN4 ....................................................-0.3V to (VCC + 0.3V)

OUT1–OUT4 (push-pull).............................-0.3V to (VCC + 0.3V)

OUT1–OUT4 (open-drain) ......................................-0.3V to +30V

RESET (push-pull) ......................................-0.3V to (VCC + 0.3V)

RESET (open-drain) ..................................................-0.3V to 30V

IN1–IN4.......................................................-0.3V to (VCC + 0.3V)

MR, TOL, TH1, TH0 ....................................-0.3V to (VCC + 0.3V)

CDLY1–CDLY4 .........................................................-0.3V to +6V

CRESET ......................................................-0.3V to (VCC + 0.3V)

Input/Output Current (all pins)..........................................±20mA

Continuous Power Dissipation (TA = +70°C)

16-Pin TQFN (derate 25mW/°C above +70°C) ...........2000mW

20-Pin TQFN (derate 25.6mW/°C above +70°C) ........2051mW

24-Pin TQFN (derate 27.8mW/°C above +70°C) ........2222mW

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

Storage Temperature Range .............................-65°C to +150°C

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SUPPLY

Operating Voltage Range

VCC

(Note 2)

2.2

28.0

V

Undervoltage Lockout

UVLO

(Note 2)

1.8

1.9

2.0

V

Undervoltage-Lockout Hysteresis

UVLOHYST VCC falling

50

mV

VCC = 3.3V

40

75

VCC = 12V

47

75

VCC Supply Current

ICC

All OUT_ and

RESET at

logic-high (IN_ current

excluded)

VCC = 28V

52

80

µA

INPUTS (IN_)

3.3V threshold, TOL = GND

2.970

3.052

3.135

3.3V threshold, TOL = VCC

2.805

2.888

2.970

2.5V threshold, TOL = GND

2.250

2.313

2.375

2.5V threshold, TOL = VCC

2.125

2.187

2.250

1.8V threshold, TOL = GND

1.620

1.665

1.710

1.8V threshold, TOL = VCC

1.530

1.575

1.620

1.5V threshold, TOL = GND

1.350

1.387

1.425

1.5V threshold, TOL = VCC

1.275

1.312

1.350

1.2V threshold, TOL = GND

1.080

1.110

1.140

IN_ Thresholds (IN_ Falling)

VTH

1.2V threshold, TOL = VCC

1.020

1.050

1.080

V

TOL = GND

0.492

0.5

0.508

Adjustable Threshold (IN_

Falling)

VTH

TOL = VCC

0.463

0.472

0.481

V

IN_ Hysteresis (IN_ Rising)

VHYST

0.5

%

IN_ Input Resistance

Fixed threshold

500

918

k

Ω

IN_ Input Current

IL

Adjustable threshold only (VIN_ = 1V)

-100

+100

nA

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