MAX14720 Datasheet, PDF (8/38 Pages) Maxim Integrated Products – Extended System Battery Use Time

MAX14720/MAX14750
Power-Management Solution
Electrical Characteristics (continued)
(V_CC = V_BIN = V_LIN = V_HVIN = V_SWIN = 2.7V, T_A = -40°C to +85°C, all registers in their default state, unless otherwise noted. Typical
values are at T_A = +25°C.) (Note 2)
PARAMETER
Worst-Case Accuracy
of Single V_CC
Measurement
SYMBOL
V_{CC_ACC}
CONDITIONS
V_CC = 1.2V
V_CC = 3.6V
MIN
TYP
MAX
UNITS
-72
-100
+72
mV
+100
Worst-Case Accuracy
V_CC1 – V_CC2 = 100mV
-22
+22
Of Differential V_CC
V_{CC_ACC_DIFF}
%
Measurement
V_CC1 – V_CC2 = 1.0V
-3.5
+3.5
V_CC Voltage Wait Time
Accuracy
t_{WAIT_ACC}
10ms, 100ms, 1s programmable
t_WAIT
-10
+10
%
SAR ADC V_CC Voltage
Conversion Time
t_CONV
Actual full V_CC measurement time
is t_WAIT + t_CONV
120
µs
Monitor Multiplexer
SWIN To MON Switch
Resistance
R_{MON_SWIN}
V_SWIN > 1.8V, I_LOAD = 2mA
80
120
Ω
SWOUT/BIN/HVIN/
HVOUT/LIN To MON
Switch Resistance
R_{MON_HV}
Sensed pin voltage > 1.8V,
I_LOAD = 500µA
400
Ω
LOUT/BOUT To MON
Switch Resistance
BBM Time
Pulldown Resistance
UVLO/POR
R_{MON_LV}
t_BBM
R_{MON_PD}
Sensed pin voltage > 0.9V,
I_LOAD = 500µA
Anytime MONCtr[2:0] changed
MONHiZ = 0
500
Ω
80
µs
100
kΩ
Input Voltage Range
V_VCC
1.8
5.5
V
BIN UVLO Threshold
Rising
BIN UVLO Threshold
Falling
LIN UVLO Threshold
Rising
LIN UVLO Threshold
Falling
POR Falling
POR Rising
V_{TH_BIN_RISE}
V_{TH_BIN_FALLING}
V_{TH_LIN_RISE}
V_{TH_LIN_FALLING}
V_{TH_POR_FALLING}
V_{TH_POR_RISING}
Seal mode
No seal mode
Seal mode
No seal mode
1.68
1.73
1.77
V
1.66
1.71
1.75
V
1.64
1.68
1.72
V
1.62
1.66
1.7
V
0.76
1.21
V
1.55
1.66
1.77
V
1.27
1.71
V
1.58
1.69
1.8
V
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