MAX8934A データシートの表示（PDF） - Maxim Integrated
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MAX8934A
Maxim Integrated
MAX8934A Datasheet PDF : 31 Pages
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Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
ELECTRICAL CHARACTERISTICS (continued)
(VDC = VPEN1 = VPEN2 = 5V, CEN = USUS = THMEN = GND, VBATT = 4V, VTHM = 1.65V, USB, THMSW, CHG, DONE, OT, DOK,
UOK, FLT are unconnected, CCT = 0.068FF, TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.) (Note 1)
PARAMETER
CONDITIONS
Thermal-Limit Gain
ISYS reduction with die temperature (above +100NC)
VL Voltage
IVL = 0 to 5mA, USB = unconnected
USB-TO-SYS PREREGULATOR
USB Operating Voltage Range
USB Withstand Voltage
VBATT = VSYS = 0V
USB Undervoltage Threshold
When V UOK goes low, VUSB rising, 500mV hysteresis
USB Overvoltage Threshold
When V UOK goes high, VUSB rising, 360mV hysteresis
USB Operating Supply Current
ISYS = IBATT = 0mA, V CEN = VPEN2 = 0V
ISYS = IBATT = 0mA, V CEN = 5V, VPEN2 = 0V
USB Suspend Current
DC = unconnected, VUSB = V CEN = VUSUS = 5V
USB to SYS On-Resistance
DC unconnected, VUSB = V CEN = 5V, ISYS = 400mA
USB-to-BATT Dropout Voltage
When SYS regulation and charging stops, VUSB falling,
150mV hysteresis
MIN
3
4.1
3.95
6.8
10
TYP MAX UNITS
5
%/C
3.3
3.6
V
6.6
V
8
V
4.0 4.05
V
6.9
7.0
V
1
2
mA
0.9
1.5
190 340
FA
0.22 0.33
I
50
90
mV
USB Current Limit
(See Tables 2a and 2b for Input
Source Control)
SYS Regulation Voltage
Input Limiter Soft-Start Time
Thermal-Limit Temperature
Thermal-Limit Gain
VL Voltage
LDO LINEAR REGULATOR
LDO Output Voltage
LDO Load Regulation
DC unconnected,
VUSB = 5V, TA = +25NC
MAX8934D only,
RPSET = 2kI
VPEN1 = 0V, VPEN2 = 5V
VPEN1 = VPEN2 = 0V
DC unconnected, VUSB
= 6V, VPEN2 = 5V, ISYS =
1mA to 400mA, VCEN = 5V
MAX8934A
MAX8934B/MAX8934C/
MAX8934E
DC unconnected, VUSB
= 6V, VPEN2 = 5V, ISYS =
1mA to 1.2A, VCEN = 5V
MAX8934D
Input current ramp time
Die temperature at when the charging current and input
current limits are reduced
ISYS reduction with die temperature (above +100NC)
DC unconnected, VUSB = 5V, IVL = 0 to 5mA
DC unconnected, VUSB = 5V, ILDO = 0mA
VDC = 5V, USB unconnected, ILDO = 0mA
DC and USB unconnected, VBATT = 4V, ILDO = 0mA
ILDO = 0 to 30mA
1350
450
80
5.2
4.29
4.29
3
3.234
3.234
3.234
1500
475
95
5.3
4.35
4.35
50
100
5
3.3
3.3
3.3
3.3
0.003
1650
500
100
5.4
4.4
4.4
3.6
3.366
3.366
3.366
mA
V
Fs
NC
%/NC
V
V
%/mA
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