Rainbow Electronics MAX781 - Manual (Page 4)

MAX781
PDA/Hand-Held Computer Power Controller
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ELECTRICAL CHARACTERISTICS (continued)
(BATT = 6V, power-on reset state, T A = 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
I SINK = 1.6mA
I SOURCE = 1mA
I 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
µmho 400 600 750
Current-Sense Amplifier CSBAT to
COMP Transconductance (gm)
mV 190 200 210
CSBAT Full-Scale Current-Sense
Voltage
Ω 10 DCHG On Resistance
ns 50
CE, SCLK, DIN Logic Input
Rise/Fall Time (Note 1)
V 0.4
DOUT, INT Logic Output Low
Voltage
V 2.7
DOUT, INT Logic Output High
Voltage
k
Ω
60 100 140 CE Internal Pull-Down Resistance
nA -100 100 SCLK, DIN Leakage Current
V 2
CE, SCLK, DIN Logic Input High
Voltage
%5OUT 44.54 45.45 46.36
%3OUT 65.33 66.67 68.00
mV 10 AOUT Output Low
%AUXIN 65.33 66.67 68.00
AOUT Output Voltage
%VREF 99.8 100 100.2
%BATT 19.90 20.00 20.10
%TEMP 65.33 66.67 68.00
%VPPA 18.49 18.87 19.25
%VPPB 18.49 18.87 19.25
UNITS MIN TYP MAX PARAMETER
FAST = 18V, FASTON = 0
FAST = 3V, FASTON = 1
nA ±1.0
Output Sink Current
mA 1.0 2.0
V 0.8
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