MAX1935ETA15 datasheet(4/10 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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4 / 10 page

500mA, Low-Voltage Linear Regulator

in Tiny QFN

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(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

POWER-OK

POK Output Low Voltage

VOL

Sinking 2mA

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)

89

97

%

Note 1: Dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT and when VIN = VOUT(NOM) + 0.5V.

For 2.25V

≤ VOUT ≤ 4V, dropout voltage limits are linearly interpolated from the values listed. For VOUT < 4V, dropout

voltage limit is equal to the value for VOUT = 4V.

Note 2: Specifications to -40°C are guaranteed by design, not production tested.

Typical Operating Characteristics

(VOUT = 3.3V, VIN = VOUT + 500mV, SHDN = IN, CIN = 1µF, COUT = 10µF, TA = +25°C, unless otherwise noted.)

0

1.0

0.5

2.0

1.5

3.0

2.5

3.5

1.5

2.5 3.0

2.0

3.5 4.0 4.5 5.0 5.5

OUTPUT VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

IOUT = 0mA

IOUT = 500mA

6.0

3.25

3.26

3.28

3.27

3.30

3.31

3.29

3.32

0

200 300

100

400 500 600 700 800

OUTPUT VOLTAGE vs. LOAD CURRENT

LOAD CURRENT (mA)

3.28

3.30

3.29

3.32

3.31

3.33

3.34

-40

10

-15

35

60

85

OUTPUT VOLTAGE vs. TEMPERATURE

TEMPERATURE (

°C)

VIN = VOUT + 500mV

IOUT = 0

0

100

50

200

150

250

300

350

400

0

200 300

100

400 500 600 700 800

DROPOUT VOLTAGE vs. LOAD CURRENT

LOAD CURRENT (mA)

TA = +85

°C

TA = +25

°C

TA = -40

°C

0.14

0.16

0.18

0.20

0.22

0.24

0.26

0.28

2.0

2.5

3.0

3.5

4.0

4.5

DROPOUT VOLTAGE

vs. OUTPUT VOLTAGE

OUTPUT VOLTAGE (V)

0

100

50

150

200

250

300

350

400

450

500

550

600

2.0

3.0

4.0

5.0

6.0

GROUND-PIN CURRENT

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

3.5

2.5

4.5

5.5

IOUT = 0mA

IOUT = 500mA

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