LTC1729 データシートの表示（PDF） - Linear Technology
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LTC1729 Datasheet PDF : 16 Pages
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LTC1729 Series
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VIN = 8V
SYMBOL
INTC
VNTC-RESET
VNTC-HOT
PARAMETER
NTC Pin Current
Thermistor Pin Reset Threshold
Thermistor Pin Hot Hold Threshold
CONDITIONS
VNTC = 1V
High Going Threshold
Low Going Threshold
LTC1729-4.1/LTC1729-4.2
MIN TYP MAX
q 90
100 110
q 0.160 0.206 0.240
q 0.460 0.486 0.510
q 0.380 0.405 0.430
UNITS
µA
V
V
V
VNTC-COLD Thermistor Pin Cold Hold Threshold
VOVP
OVP Pin Voltage
VOL-ST
VOL-VC
ISOFT
Output Low Voltage-STATUS Pin
Output Low Voltage-VC Pin
Status Soft Pull-Down Current
High Going Threshold
Low Going Threshold
VBAT = 4.1V or VBAT = 4.2V
IO = 3mA
IO = 1mA
VSTATUS = 4.5V
q 2.70 2.79 2.90
V
q 2.10 2.23 2.35
V
q 2.455 2.465 2.475
V
2.460 2.465 2.470
V
q 0.5
0.9
1.2
V
q 0.35
0.6
0.75
V
q 40
50
65
µA
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VIN = 12V
SYMBOL PARAMETER
CONDITIONS
LTC1729-8.2/LTC1729-8.4
MIN TYP MAX
UNITS
DC CHARACTERISTICS
ICC
VCC Supply Current
VLKOH
VLKOL
IVBAT
VIN Undervoltage Lockout High
VIN Undervoltage Lockout Low
VBAT Current
VCLAMP
VMAX
VBAT Clamp
High VBAT Threshold
VIN = 9V (Below UVLO)
VIN = 12V, VBAT > 9V, No Bat
VIN = 12V, VBAT = 5V Trickle
VIN = 12V, VBAT = 7V Charge
VIN = 9V (Below UVLO), VBAT = 8.4V
VIN = 12V, VBAT = 8.5V No Bat
VIN = 12V, VBAT = 5V Trickle
VIN = 12V, VBAT = 7V Charge
No Bat (External 200µA Pull-Up on VBAT)
High Going Threshold
Low Going Threshold
q
1
6
12
µA
q 1.0
1.4
2.0
mA
10
17
21
mA
q 0.5
3.0
5.0
mA
q 9.5
10.4 11.4
V
q 8.5
9.6
10.5
V
q –1
– 0.1
1
µA
q 60
95
140
µA
– 19 – 12 – 9.5
mA
q – 2.7 – 1.3 – 0.5
mA
q 8.5
9
9.5
V
q 8.5 9.013 9.5
V
q 8.5
9
9.5
V
VMIN
Low VBAT Threshold
High Going Threshold
Low Going Threshold
q 5.1
5.4
5.7
V
q 4.9
5.2
5.5
V
ISENSE
VC10
INTC
VNTC-RESET
VNTC-HOT
SENSE Pin Current
SENSE Pin C/10 Offset
NTC Pin Current
Thermistor Pin Reset Threshold
Thermistor Pin Hot Hold Threshold
Charge State, VSENSE = 7V
Charge State, VC10 = (VBAT – VSENSE)
VNTC = 1V
High Going Threshold
Low Going Threshold
q 85
100 115
µA
q
±1
±2.5
mV
q 90
100 110
µA
q 0.160 0.206 0.240
V
q 0.460 0.486 0.510
V
q 0.380 0.405 0.430
V
VNTC-COLD Thermistor Pin Cold Hold Threshold
High Going Threshold
Low Going Threshold
q 2.70 2.79 2.90
V
q 2.10 2.23 2.35
V
VOVP
OVP Pin Voltage
VBAT = 8.2V or VBAT = 8.4V
q 2.455 2.465 2.475
V
2.460 2.465 2.470
V
VOL-ST
VOL-VC
ISOFT
Output Low Voltage-STATUS Pin
Output Low Voltage-VC Pin
Status Soft Pull-Down Current
IO = 3mA
IO = 1mA
VSTATUS = 4.5V
q 0.5
0.9
1.2
V
q 0.35
0.6
0.75
V
q 40
50
65
µA
3
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