MAX8902BATASLASHV datasheet(3/9 Pages) MAXIM

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MAX8902A/MAX8902B

Low-Noise 500mA LDO Regulators

in a 2mm x 2mm TDFN Package

Maxim Integrated

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VEN = 5V, OUTS = OUT, circuit of Figure 2 (MAX8902A) and Figure 3 (MAX8902B), TA = -40°C to +125°C, unless otherwise

noted.) (Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

GND

TA < +85°C

120

GND Supply Current

IOUT = 0mA

TA < +125°C

160

μA

TA = +25°C

0.001

GND Shutdown Current

VIN = 5.5V, EN = 0V

TA = +85°C

0.01

μA

SELA/SELB (MAX8902A only)

When shorted to GND or VIN

500

Select Input Resistance

When open

Select Input Capacitance

When open

EN rising

0.8

1.2

EN falling, TA < +85°C

0.4

0.7

Enable Input Threshold

VIN = 1.7V to 5.5V

EN falling, TA < +125°C

0.38

0.7

TA = +25°C

-1

0.001

Enable Input Bias Current

VEN = 0V to 5.5V

TA = +85°C

0.01

μA

POK (MAX8902B only)

OUT rising

POK Threshold

OUT voltage when

POK

switches

OUT falling

POK Voltage, Low

IPOK = 1mA

100

TA = +25°C

-1

0.001

POK Leakage Current

POK = 5.5V, VEN = 0V

TA = +85°C

0.01

μA

THERMAL SHUTDOWN

TJ rising

165

Thermal Shutdown Threshold

TJ falling

150

°C

OUTPUT TRANSIENT

Load Transient

IOUT = 50mA to 500mA to 50mA, tRISE = tFALL= 1μs

mV/P-P

Line Transient

VIN = 4V to 5V to 4V, tRISE = tFALL = 5μs, IOUT = 500mA

mV/P-P

IN-to-OUT Reverse Voltage

Turnoff Threshold

IN falling below OUT

Note 1: All devices are production tested at TA = +25°C. Specifications over the operating temperature range are guaranteed by

design and characterization.

Note 2: The dropout voltage is defined VIN - VOUT, when VOUT is 5% lower than the value of VOUT when VIN = VOUT + 0.5V.

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