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. (Note 2)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
AC CHARACTERISTICS
TIMER1 Timer for Trickle-Charge Preconditioning
q 0.869
1
1.305
Hr
TIMER2 Timer for Charging
q 2.61
3
3.55
Hr
TIMER3
TIMER4
tOSC
Timer for VMAX Filter
Timer for VC/10 Filter
Oscillator Period
q 0.764 0.859 1.043
sec
q 3.055 3.5
4.17
sec
q 6.66 7.63 9.09
µs
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: VIN = 8V for LTC1729-4.1/LTC1729-4.2; VIN = 12V for
LTC1729-8.2/LTC1729-8.4
TYPICAL PERFOR A CE CHARACTERISTICS
IVBAT vs Temperature (4.2V Version)
14
VBAT = 2.5V
12
10
8
6
4
2
0
0
25
50
75
100
TEMPERATURE (°C)
1729 G01
IVBAT vs VCC (8.4V Version)
12
VBAT = 5V
10
8
6
4
2
0
10 14
VBAT = 7V
18
22
VCC (V)
26
30
1729 G04
IVBAT vs Temperature (8.4V Version)
14
VBAT = 5V
12
10
8
6
4
2
0
0
25
50
75
100
TEMPERATURE (°C)
1729 G02
ICC vs VCC (4.2V Version)
14
VBAT = 2.5V
12
10
8
6
4
VBAT = 3.5V
2
6 10 14 18 22 26 30
VCC (V)
1729 G05
IVBAT vs VCC (4.2V Version)
14
12
VBAT = 2.5V
10
8
6
4
2
VBAT = 3.5V
0
6 10 14 18 22 26 30
VCC (V)
1729 G03
ICC vs VCC (8.4V Version)
14
VBAT = 5V
12
10
8
6
4
VBAT = 7V
2
10 14
18
22
VCC (V)
26
30
1729 G06
4
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