MAX1589ETT120 datasheet(3/12 Pages) MAXIM

Part #	MAX1589ETT120

Description	Low-Input-Voltage, 500mA LDO Regulator with RESETin SOT and TDFN

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Input-Voltage, 500mA LDO Regulator

with

R

RE

ES

SE

ET

T in SOT and TDFN

_______________________________________________________________________________________

3

Note 1: Limits are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design.

Note 2: The dropout voltage is defined as VIN - VOUT, when VOUT is 4% lower than the value of VOUT when VIN = VOUT + 0.5V.

ELECTRICAL CHARACTERISTICS (continued)

(VIN = (VOUT + 0.5V) or VIN = 1.8V, whichever is greater; SHDN = IN, CIN = 1µF, COUT = 4.7µF, TA = -40°C to +85°C, unless other-

wise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

TA = +25°C

0.001

1

RESET Output High

Leakage Current

IOH

VRESET = 3.6V,

RESET not asserted

TA = +85°C

0.01

µA

Reset Delay

tRP

From VOUT high to RESET rising

70

100

160

ms

THERMAL PROTECTION

Thermal-Shutdown Temperature

T SHDN

+165

°C

Thermal-Shutdown Hysteresis

ΔTSHDN

15

°C

OUTPUT VOLTAGE ACCURACY

vs. LOAD CURRENT

LOAD CURRENT (mA)

400

300

200

100

-0.1

0

0.1

0.2

-0.2

0

500

VOUT = +3.0V

VOUT = +1.5V

VOUT = +0.75V

OUTPUT VOLTAGE ACCURACY

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

3.4

3.0

2.6

2.2

1.8

-0.25

0

0.25

0.50

-0.50

1.4

VOUT = +1.5V

IOUT = 0mA

IOUT = 100mA

IOUT = 500mA

OUTPUT VOLTAGE ACCURACY

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

-1.0

-0.5

0

0.5

1.0

1.5

-1.5

-40

85

VOUT = +1.5V

IOUT = 0mA, 100mA, 500mA

120

60

0.01

0.1

1

10

100

1000

GROUND-PIN CURRENT

vs. LOAD CURRENT

LOAD CURRENT (mA)

100

110

70

80

90

VOUT = +3.0V

VOUT = +1.5V

VOUT = +0.75V

GROUND-PIN CURRENT

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

3.2

2.8

2.4

2.0

1.6

20

40

60

80

100

120

0

1.2

3.6

IOUT = 0mA

IOUT = 500mA

IOUT = 100mA

VOUT = +1.5V

GROUND-PIN CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

60

70

80

90

100

50

-40

85

VOUT = +1.5V

IOUT = 1mA TO 500mA

IOUT = 0mA

Typical Operating Characteristics

(VIN = (VOUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, CIN = 1µF, COUT = 4.7µF, TA = +25°C, unless otherwise noted.)

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MAX1589ETT120 Datasheet(PDF) 3 Page - Maxim Integrated Products

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