MAX8526 データシートの表示（PDF） - Maxim Integrated

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MAX8526

1.425V to 3.6V Input, 2A, 0.2V Dropout LDO Regulators

Maxim Integrated 

1.425V to 3.6V Input, 2A,

0.2V Dropout LDO Regulators

ABSOLUTE MAXIMUM RATINGS

IN, EN, POK (MAX8527), POR (MAX8528),

FB to GND ........................................................-0.3V to +4.0V

OUT to GND ..................................................-0.3V to (IN + 0.3V)

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

Continuous Power Dissipation (TA = +70°C,

EP soldered to PC board ground)

14-Pin TSSOP (derate 20.8mW/°C above +70°C)..............1.7W

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

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.

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1: VIN = +1.8V, VOUT = +1.5V, EN = IN, IOUT = 2mA, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)

PARAMETER

IN

Input Voltage Range

Input Undervoltage Lockout

OUT

Output Voltage Range

Load Regulation

Line Regulation

Dropout Voltage (VIN - VOUT)

Current Limit

Output Shutdown Leakage

FB

FB Threshold Accuracy

FB Input Bias Current

CONDITIONS

VIN rising, 70mV hysteresis

IOUT = 2mA to 2A

VIN = 1.425V to 3.6V, VOUT = 1.225V, IOUT = 2mA

VIN = 1.425V, IOUT = 2A, VFB = 480mV

VIN = 3.6V, VOUT = 3V, VFB = 480mV

VIN = 3.6V, VOUT = 0V, VEN = 0V

IOUT = 20mA, TA = +85°C

VOUT = 1.225V to 3V, VIN = (VOUT + 0.2V) to 3.6V,

IOUT = 2mA to 2A

VFB = 0.5V, VIN = 3.6V

MIN TYP MAX UNITS

1.425

3.600

V

1.32 1.35 1.38

V

0.5

3.4

V

0.08

%/A

-0.15

0

+0.15 %/V

100 200

mV

3.2

4

4.8

A

0.5

50

µA

497

500

503

mV

493

507

0.001

1

µA

2 _______________________________________________________________________________________

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