MAX710 datasheet(2/12 Pages) MAXIM

2 / 12 page

3.3V/5V or Adjustable,

Step-Up/Down DC-DC Converters

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VPS = 5.6V, STBY = PS, CREF = 0.1µF, COUT = 4.7µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at

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.

PS, LX, OUT to GND............................................-0.3V to +11.5V

ILIM, SHDN, STBY, FB, 3/5, N/E, LBO,

LBI-, LBI+, REF to GND ...........................-0.3V to (VPS + 0.3V)

PGND to GND .......................................................-0.3V to +0.3V

REF Short Circuit to GND ...........................................Continuous

IOUT...................................................................................700mA

Continuous Power Dissipation (TA = +70°C)

SO (derate 8.70mW/°C above +70°C) ..........................696mW

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-65°C to +160°C

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

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

ILIM = GND

ILIM = PS

VLX = 5.6V

MAX711, VPS = 2.7V

MAX710, VPS = 3.7V

VSTBY = 0V, linear regulator

VPS = 5.6V

FB = 1.25V

TA = -40°C to +85°C, IREF = 0

TA = 0°C to +85°C, IREF = 0

MAX711

VSTBY = VSHDN = logic high, current measured

into PS pin; ILOAD = 0

VSTBY = 0V

VSHDN = 0V

MAX711, OUT = FB

CONDITIONS

1.1

1.5

1.95

LX Current Limit

0.5

0.8

1.3

µA

0.1

LX Leakage Current

Ω

0.6

1.2

LX On-Resistance

0.3

0.9

0.2

0.6

FB Input Current

1.18

1.25

1.31

FB Voltage

0.9

Full Load Start-Up Voltage

1.20

1.25

1.29

Standby Output Current

1.23

1.28

1.32

Reference Voltage

1.24

1.28

1.31

5.5

Output Voltage-Adjustment Range

µA

100

140

Quiescent Current

µA

Standby Quiescent Current

µA

0.1

Shutdown Quiescent Current

UNITS

MIN

TYP

MAX

PARAMETER

TA = 0°C to +85°C

TA = -40°C to +85°C

0mA

≤ ILOAD

≤ 250mA

MAX711, OUT = FB

0.1

Load Regulation

3/5 = low,

IOUT = 0 to 250mA

4.8

5.0

5.2

TA = 0°C to +85°C

4.6

5.0

5.3

TA = -40°C to +85°C

3/5 = high, IOUT = 0 to

250mA, VPS = 4.7V

3.17

3.3

3.43

TA = 0°C to +85°C

3.05

3.3

3.55

TA = -40°C to +85°C

Output Voltage (MAX710)

0 < IOUT < 250mA, STBY = PS

0.5

Output Voltage Load Regulation

STBY = PS, 1.8V to 5V

%/V

0.3

Output Voltage Line Regulation

N/E = GND (Note 2)

N/E = PS

1.8

7.0

1.8

11.0

Input Voltage

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