Rainbow-electronics MAX9053 Manual do Utilizador descarregar pdf (Página 5)

MAX9039–MAX9043/MAX9050–MAX9053

Micropower, Single-Supply, UCSP/SOT23

Comparator + Precision Reference ICs

_______________________________________________________________________________________ 5

ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (continued)

= 5V, V

= 0V, V

= 0V, I

OUT

= 0A, I

REF

= 0A, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

(Note 2)

Note 2: All devices are 100% production tested at T

= +25°C. Limits over the extended temperature range are guaranteed by

design.

Note 3: Supply voltage range guaranteed by PSRR test on comparator and line regulation of REF.

Note 4: V

is defined as the center of the input-referred hysteresis band.

Note 5: For the comparators with the inverting input (IN-) uncommitted.

Note 6: Input bias current is the average of the inverting and noninverting input bias currents.

Note 7: Not production tested. Guaranteed by design.

Note 8: Guaranteed by CMRR test.

Note 9: V

OVERDRIVE

is beyond the offset and hysteresis determined trip point.

Note 10: Temperature coefficient is measured by the box method; i.e., the maximum ∆V

REF

is divided by the maximum ∆T.

Note 11: Thermal hysteresis is defined as the change in V

REF

at +25°C before and after cycling the device from T

MIN

to T

MAX

Typical Operating Characteristics

= 5V, V

= 0V, V

= 0V, I

OUT

= 0A, I

REF

= 0A, T

= +25°C, unless otherwise noted.)

-40 0-20 20 40 60 80

MAX9039/MAX9040/MAX9041/MAX9050/MAX9051

SUPPLY CURRENT vs. TEMPERATURE

MAX9039/43/50-53 toc01

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

= 5.0V

IN+

IN-

= 2.7V

-40 0-20 20 40 60 80

MAX9042/MAX9043/MAX9052/MAX9053

SUPPLY CURRENT vs. TEMPERATURE

MAX9039/43/50-53 toc02

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

= 5.0V

IN+

IN-

= 2.7V

0.01 0.1 1 10 100 1000

200

150

100

MAX9039/MAX9040/MAX9041/MAX9050/MAX9051

SUPPLY CURRENT vs. SWITCHING FREQUENCY

MAX9039/43/50-53 toc03

SWITCHING FREQUENCY (kHz)

SUPPLY CURRENT (µA)

= 5.0V

= 2.7V

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Ripple Rejection

∆V

REF

∆V

= 5V ±100mV, f = 120Hz 84 dB

Turn-On Settling Time t

REF

) To V

REF

= 1% of final value 200 µs

Capacitive Load Stability Range

(Note 7)

REF

) 0 4.7 nF

1 2 3 4 5 6 7 8 9 10 ... 14 15

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