MAX846A データシートの表示（PDF） - Maxim Integrated
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MAX846A Datasheet PDF : 12 Pages
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Cost-Saving Multichemistry
Battery-Charger System
ELECTRICAL CHARACTERISTICS (continued)
(VDCIN = 10V, ON = VL, IVL = IVSET = 0mA, VCS- = VCS+ = 10V, VBATT = 4.5V, VOFFV = VCELL2 = 0V, TA = 0°C to +85°C, unless
otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
VOLTAGE LOOP
Voltage-Loop Set Point
VSET Common-Mode Input Range
CCV Output Impedance
Voltage-Loop Load Regulation
BATT Input Current
BATT Off Input Current
CURRENT LOOP
Current-Loop Set Point
CA Voltage Gain
CCI Output Impedance
Overcurrent Trip Level
DRIVER
DRV Sink Current
DRV Off Current
LOGIC INPUTS AND OUTPUTS
Input High Level
Input Low Level
Input Current
PWROK Output Low Level
PWROK Output High Leakage
CONDITIONS
MIN TYP MAX UNITS
VVSET = 1.650V, VCELL2 = 0V, IDRV = 1mA,
VDRV = 10V
VVSET = 1.650V,
VDRV = 10V
VCELL2
=
VL,
IDMRVA=X814m6AA,
-0.25% 4.2 +0.25%
V
-0.25% 8.4 +0.25%
1.25
2.0
V
150
kΩ
1mA < IDRV < 5mA
VBATT = 10V, CELL2 = GND or VL
VBATT = 10V, ON = GND, CELL2 = GND or VL
0.05
%
225
µA
0.01
1
µA
IDRV = 5mA, VDRV = 10V
1.634 1.650 1.666
V
5
V/V
50
kΩ
When VISET exceeds this voltage, DRV current
is disabled.
1.90
2.1
V
VDRV = 3V
VDRV = 20V, VON = 0V
CELL2, ON, OFFV
CELL2, ON, OFFV
CELL2, ON, OFFV
IPWROK = 1mA, VDCIN = VVL = 2.5V
VPWROK = 3.3V
20
mA
0.1
100
µA
2.4
VL
V
0
0.8
V
0.01
1
µA
0.4
V
0.01
1
µA
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