LLTC4100EG 데이터 시트보기 (PDF) - Linear Technology
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LLTC4100EG Datasheet PDF : 30 Pages
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LTC4100
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDCIN = 20V, VDD = 3.3V, VBAT = 12V unless otherwise noted. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
AC Present Comparator
VACP
DCDIV Threshold
DCDIV Hysteresis
VDCDIV Rising from 1V to 1.4V
● 1.14 1.20 1.26
V
25
mV
DCDIV Input Bias Current
ACP VOH
ACP VOL
DCDIV to ACP Delay
SafetySignal Decoder
VDCDIV = 1.2V
IACP = –2mA
IACP = 1mA
VDCDIV = 1.3V
–1
1
µA
2
V
0.5
V
10
µs
SafetySignal Trip (RES_COLD/RES_OR)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6)
● 95
100
105
kΩ
RTHB = 54.9kΩ ±1%
SafetySignal Trip (RES_IDEAL/RES_COLD)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6)
● 28.5 30
31.5
kΩ
RTHB = 54.9kΩ ±1%
SafetySignal Trip (RES_HOT/RES_IDEAL)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6)
● 2.85
3
3.15
kΩ
RTHB = 54.9kΩ ±1%
SafetySignal Trip (RES_UR/RES_HOT)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6)
● 425 500
575
Ω
RTHB = 54.9kΩ ±1%
Time Between SafetySignal Measurements
DCDIV = 1.3V
DCDIV = 1V
32
ms
250
ms
DACs
Charging Current Resolution
Charging Current Granularity
Wake-Up Charging Current (IWAKE-UP)
Charging Current Limit
CSP – BAT
Guaranteed Monotonic Above IMAX/16
RILIM = 0
RILIM = 10k ±1%
RILIM = 33k ±1%
RILIM = Open (or Short to VDD)
All Values of RILIM
All Values of RVLIM
RILIM = 0 (0-1A)
Charging Current = 0x03FF (0x0400 Note 7)
10
Bits
1
mA
2
mA
4
mA
4
mA
80 (Note 5)
mA
97.3
107.3
mV
RILIM = 10k ±1% (0-2A)
97.3
Charging Current = 0x07FE (0x0800 Note 7)
107.3
mV
RILIM = 33k ±1% (0-3A)
72.3
Charging Current = 0x0BFC (0x0C00 Note 7)
82.3
mV
RILIM = 0pen (or Short to VDD) (0-4A)
97.3
Charging Current = 0x0FFC (0x1000 Note 7)
107.3
mV
Charging Voltage Resolution
Charging Voltage Granularity
Guaranteed Monotonic (2.9V ≤ VBAT ≤ 28V)
11
Bits
16
mV
Charging Voltage Limit
RVLIM = 0
Charging Voltage = 0x2260 (Note 7)
8.730 8.800 8.870
V
RVLIM = 10k ±1%
Charging Voltage = 0x3330 (Note 7)
12.999 13.104 13.209
V
RVLIM = 33k ±1%
Charging Voltage = 0x4400 (Note 7)
17.269 17.408 17.547
V
RVLIM = 100k ±1%
Charging Voltage = 0x5400 DCIN ≥ 22V
(Note 7)
21.538 21.712 21.886
V
RVLIM = 0pen (or Short to VDD)
Charging Voltage = 0x6D60 DCIN ≥ 29V
(Note 7)
27.781 28.006 28.231
V
4100fc
4
For more information www.linear.com/LTC4100
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