LTC1759 データシートの表示（PDF） - Linear Technology
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LTC1759 Datasheet PDF : 28 Pages
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LTC1759
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range (TJ = 0°C to 100°C), otherwise specifications are
TA = 25°C. VCC = DCIN = 18V, VBAT1, 2 = 12.6V, VDD = 3.3V unless otherwise specified.
PARAMETER
Thermistor Decoder (Note 11)
Combined Input Leakage on RNR and THERM
Thermistor Trip (COLD/OR)
Thermistor Trip (IDEAL/COLD)
Thermistor Trip (HOT/IDEAL)
Thermistor Trip (UR/HOT)
DACs
Charging Current Resolution
Charging Current Granularity
Wake-Up Charging Current (IWAKE-UP) (Note 8)
Charging Current Limit (IMAX)
ISET RDS(ON)
ISET IOFF
Charging Voltage Resolution
Charging Voltage Granularity
Charging Voltage Limit
Logic Levels (Note 12)
SCL/SDA Input Low Voltage (VIL)
SCL/SDA Input High Voltage (VIH)
SDA Output Low Voltage (VOL)
SCL/SDA Input Current (IIL)
SCL/SDA Input Current (IIH)
INTB Output Low Voltage (VOL)
INTB Output Pull-Up Current
CHGEN Output Low Voltage (VOL)
CHGEN Output High Voltage (VOH)
SDB Shutdown Threshold
SDB Pin Current
Power-On Reset Duration
CONDITIONS
RWEAK = 475k ±1%
RNR = 10k ±1 %
RNR = 10k ±1 %
RUR = 1k ±1 %
Guaranteed Monotonic Above IMAX/16
RILIMIT = 0
RILIMIT = 10k ±1 %
RILIMIT = 33k ±1 %
RILIMIT = Open (or Short to VDD)
RILIMIT = 0
RILIMIT = 10k ±1 %
RILIMIT = 33k ±1 %
RILIMIT = Open (or Short to VDD)
VISET = 2.7V
Guaranteed Monotonic (2.5V ≤ VBAT ≤ 21V)
RVLIMIT = 0
RVLIMIT = 10k ±1 %
RVLIMIT = 33k ±1 %
RVLIMIT = 100k ±1 %
RVLIMIT = Open (or Short to VDD)
RVLIMIT = 0
RVLIMIT = 10k ±1 %
RVLIMIT = 33k ±1 %
RVLIMIT = 100k ±1 %
RVLIMIT = Open (or Short to VDD) (Note 2)
IPULLUP = 350µA
VSDA, VSCL = VIL
VSDA, VSCL = VIH
IPULLUP = 500µA
VINTB = VOL
IOL = 200µA
IOH = – 200µA
0V ≤ VSDB ≤ 3V
VDD Ramp from 0V to > 3V in < 5µs
MIN TYP MAX
UNITS
200
nA
q 80
100 120
kΩ
q 26.4
30
33.6
kΩ
q 2.64
3
3.36
kΩ
q 440
500
560
Ω
10
bits
1
mA
2
mA
4
mA
8
mA
80
mA
1023
mA
2046
mA
4092
mA
8184
mA
25
Ω
q
1
µA
10
bits
16
mV
16
mV
32
mV
32
mV
32
mV
q 8.33 8.432 8.485
V
q 12.50 12.64 12.72
V
q 16.67 16.864 16.97
V
q 20.82 21.056 21.18
V
32.736
V
q
0.6
V
q 1.4
V
q
0.4
V
q
1
µA
q
1
µA
q
0.4
V
q 3.5
10
17.5
µA
q
0.4
V
q VDD – 0.4
q
1
V
2
V
8
µA
100
µs
4
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