MAX1935ETA15 datasheet(3/10 Pages) MAXIM

Part #	MAX1935ETA15

Description	500mA, Low-Voltage Linear Regulator in Tiny QFN

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Manufacturer	MAXIM [Maxim Integrated Products]

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3 / 10 page

500mA, Low-Voltage Linear Regulator

in Tiny QFN

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VOUT(SETPOINT) + 500mV or VIN = 2.25V whichever is greater, SET = GND, SHDN = IN, TA = 0°C to +85°C, unless otherwise

noted. Typical values are at TA = +25°C.)

ELECTRICAL CHARACTERISTICS

(VIN = VOUT(SETPOINT) + 500mV or VIN = 2.25V whichever is greater, SET = GND, SHDN = IN, TA = -40°C to +85°C, unless otherwise

noted. Typical values are at TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage

VIN

2.25

5.50

V

Input Undervoltage Lockout

VUVLO

Rising, 40mV hysteresis

1.85

2.15

V

Output Voltage Accuracy

(Preset Mode)

VOUT

IOUT = 1mA to 500mA

-4

+4

%

Adjustable Output Voltage

0.8

4.5

V

SET Voltage Threshold

(Adjustable Mode)

VSET

IOUT = 1mA to 500mA

766

834

mV

Maximum Output Current

IOUT

500

mARMS

Short-Circuit Current Limit

ILIM

VOUT = 0V

600

2500

mA

SET Dual Mode Threshold

35

125

mV

SET Input Bias Current

ISET

VSET = 0.8V

-100

+100

nA

Ground-Pin Current

IQ

IOUT = 1mA

400

µA

SHUTDOWN

Shutdown Supply Current

IOFF

SHDN = GND, VIN = 5.5V

5

µA

VIH

2.5V < VIN < 5.5V

1.6

SHDN Input Threshold

VIL

2.5V < VIN < 5.5V

0.6

V

SHDN Input Bias Current

ISHDN

SHDN = GND or IN

100

nA

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER-OK

POK Output Low Voltage

VOL

Sinking 2mA

5

50

mV

Operating Voltage Range for

Valid POK Output

Sinking 100µA

1.0

5.5

V

Output High Leakage Current

VPOK = 5.5V

100

nA

Threshold

Rising edge, referred to VOUT(NOMINAL)

90

93

96

%

THERMAL PROTECTION

Thermal-Shutdown Temperature

TSHDN

170

°C

Thermal-Shutdown Hysteresis

∆TSHDN

20

°C

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