MAX8718 datasheet(2/10 Pages) MAXIM

Part #	MAX8718

Description	High-Voltage, Low-Power Linear Regulators for Notebook Computers

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Manufacturer	MAXIM [Maxim Integrated Products]

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High-Voltage, Low-Power Linear Regulators for

Notebook Computers

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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

SHDN to GND ..............................................-0.3V to (VIN + 0.3V)

5/3 (MAX8718) to GND.............................................-0.3V to +6V

FB (MAX8719) to GND .............................................-0.3V to +6V

OUT (MAX8718) to GND ..........................................-0.3V to +6V

OUT (MAX8719) to GND ........................................-0.3V to +30V

VCC to GND (MAX8718) ...........................................-0.3V to +6V

VCC to GND (MAX8719) ........................................-0.3V to +2.7V

PGOOD to GND .....................................................-0.3V to +30V

I.C. to GND ...............................................................-0.3V to +6V

OUT Short Circuit to GND.......................................................30s

Continuous Power Dissipation (TA = +70°C)

8-Pin TDFN (derate 24.4mW/°C above +70°C) ..........1951mW

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

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1. VIN = 15V, IOUT = 5µA, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

VIN

428

V

SHDN = IN, TA = +25

°C12

18

µs

Supply Current (MAX8718)

IIN

SHDN = IN, VIN = 6V to 28V

25

µA

0V < VCC < 2.7V, TA = +25

°C

-0.1

+0.1

VCC Input Current (MAX8719)

0V < VCC < 2.7V, TA = 0

°C to +85°C

0.04

µA

0V < VCC < 5.5V, TA = +25

°C

3.4

VCC Input Current (MAX8718)

0V < VCC < 5.5V, TA = 0

°C to +85°C

2.3

µA

OUT Minimum Load Current

5µA

Shutdown Supply Current

SHDN = 0V

1.2

3

µA

Dropout Supply Current

VOUT set to 5V, VIN = 4.7V

85

µA

VIN = 6V to 28V, ILOAD = 1mA, 5/3 = GND,

TA = +25

°C

3.26

3.33

3.40

VIN = 6V to 28V, ILOAD = 1mA, 5/3 = OUT,

TA = +25

°C

4.95

5.05

5.15

VIN = 6V to 28V, ILOAD = 5µA to 100mA,

5/3 = GND

3.15

3.48

OUT Output Voltage (MAX8718)

VIN = 6V to 28V, ILOAD = 5µA to 100mA,

5/3 = OUT

4.75

5.25

V

FB = OUT, VIN = 6V to 28V, ILOAD = 1mA

1.215

1.240

1.265

FB Threshold (MAX8719)

VFB

FB = OUT, VIN = 6V to 28V,

ILOAD = 5µA to 100mA (Note 2)

1.18

1.28

V

VFB = 1.3V, TA = +25

°C

-30

+30

FB Input Current (MAX8719)

IFB

VFB = 1.3V, TA = 0

°C to +85°C15

nA

V5/3 = 5V, TA = +25

°C

-30

+30

5/3 Input Current (MAX8718)

I5/3

V5/3 = 5V, TA = 0

°C to +85°C2

nA

Dropout Voltage

VDROPOUT ILOAD = 100mA (Note 3)

560

mV

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