Absolute Maximum Ratings

IN1, IN2, IN3, EN1, EN2, EN3 to GND..................... -0.3V to +6V

OUT1 to GND .................................................-0.3V to IN1 + 0.3V

OUT2 to GND .................................................-0.3V to IN2 + 0.3V

OUT3 to GND .................................................-0.3V to IN3 + 0.3V

BYP1, BYP2, BYP3 to GND..................................... -0.3V to +6V

RESET1,RESET2,RESET3 to GND ........................ -0.3V to +6V

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

Package Thermal Characteristics

T1633+7C

Continuous Power Dissipation

TQFN (derate 21.52mW/°C above 70°C) .......1721.69mW

Operating Junction Temperature ................-40°C to +150°C

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

Lead Temperature (Soldering, 10 seconds) ..............+300°C

Soldering Temperature (reflow) .................................+260°C

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.

Recommended Operating Conditions

PARAMETER

SYMBOL

CONDITION

TYPICAL

RANGE

UNIT

Ambient Temperature Range

-40 to

+125

°C

Note: These limits are not guaranteed.

Package Information

TQFN

Package Code

T1633+7C

Outline Number

21-0136

Land Pattern Number

90-0032

Thermal Resistance, Four-Layer Board:

46.47°C/W

5.58°C/W

For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates

RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status.

Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal

considerations, refer to www.maximintegrated.com/thermal-tutorial.

Electrical Characteristics

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

Guaranteed by Output Accuracy

1.7

5.5

V

Input Undervoltage

Lockout

1.5

1.69

V

Input Undervoltage

Lockout Hysteresis

S

100

mV

Supply Current

All outputs off

1

μA

1.2

1.95

mA

MAX25307/MAX25308

Two/Three Output Low-Noise LDO Linear

Regulators

www.maximintegrated.com

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