Rainbow-electronics MAX781 Manual de usuario descargar pdf (Pagina 4)

MAX781

PDA/Hand-Held Computer Power Controller

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(BATT = 6V, power-on reset state, T

= T

MIN

to T

MAX

, unless otherwise noted.)

CHG6 to CHG0 = 1,

CHARGE = 1

MUX2 = 0, MUX1 = 0, MUX0 = 1

High or low, 5OUT = 4.75V

MUX2 = 0, MUX1 = 0, MUX0 = 0

SINK

= 1.6mA

SOURCE

= 1mA

SINK

= 10µA

MUX2 = 1, MUX1 = 1, MUX0 = 1

MUX2 = 1, MUX1 = 1, MUX0 = 0

MUX2 = 0, MUX1 = 1, MUX0 = 0

MUX2 = 0, MUX1 = 1, MUX0 = 1

MUX2 = 1, MUX1 = 0, MUX0 = 0

MUX2 = 1, MUX1 = 0, MUX0 = 1

CONDITIONS

µmho400 600 750

Current-Sense Amplifier CSBAT to

COMP Transconductance (gm)

mV190 200 210

CSBAT Full-Scale Current-Sense

Voltage

Ω10DCHG On Resistance

ns50

CE, SCLK, DIN Logic Input

Rise/Fall Time (Note 1)

V0.4

DOUT, INT Logic Output Low

Voltage

V2.7

DOUT, INT Logic Output High

Voltage

kΩ60 100 140CE Internal Pull-Down Resistance

nA-100 100SCLK, DIN Leakage Current

CE, SCLK, DIN Logic Input High

Voltage

%5OUT44.54 45.45 46.36

%3OUT65.33 66.67 68.00

mV10AOUT Output Low

%AUXIN65.33 66.67 68.00

AOUT Output Voltage

%VREF99.8 100 100.2

%BATT19.90 20.00 20.10

%TEMP65.33 66.67 68.00

%VPPA18.49 18.87 19.25

%VPPB18.49 18.87 19.25

UNITSMIN TYP MAXPARAMETER

FAST = 18V, FASTON = 0

FAST = 3V, FASTON = 1

nA±1.0

Output Sink Current

mA1.0 2.0

V0.8

CE, SCLK, DIN Logic Input Low

Voltage

CSBAT = 0V mV-2 0 2

COMP Current-Sense Amplifier

Offset Voltage

ANALOG MULTIPLEXER

SERIAL INTERFACE

BATTERY CHARGER

FAST OUTPUT

1 2 3 4 5 6 7 8 9 ... 23 24

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Rainbow-electronics MAX781 Manual de usuario Pagina 4

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