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
ABSOLUTE AXI U RATI GS (Note 1)
VCC ......................................................................... 30V
SENSE, VBAT, NTC .................................... – 0.3V to 15V
VC ............................................................. – 0.3V to 15V
OVP ............................................................ – 0.3V to 5V
STATUS .................................................... – 0.3V to 30V
Operating Temperature Range .................... 0°C to 70°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
TOP VIEW
OVP 1
BAT 2
SENSE 3
GND 4
8 VCC
7 VC
6 STATUS
5 NTC
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 200°C/ W
LTC1729CMS8-4.1
LTC1729CMS8-4.2
LTC1729CMS8-8.2
LTC1729CMS8-8.4
MS8 PART MARKING
LTLY
LTJH
LTLZ
LTJG
Consult factory for Industrial and Military grade parts.
TOP VIEW
OVP 1
BAT 2
SENSE 3
GND 4
8 VCC
7 VC
6 STATUS
5 NTC
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/ W
ORDER PART
NUMBER
LTC1729CS8-4.1
LTC1729CS8-4.2
LTC1729CS8-8.2
LTC1729CS8-8.4
S8 PART MARKING
172941
172942
172982
172984
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VIN = 8V
SYMBOL PARAMETER
CONDITIONS
LTC1729-4.1/LTC1729-4.2
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 = 5V (Below UVLO)
VIN = 8V, VBAT > 4.5V, No Bat
VIN = 8V, VBAT = 2.5V Trickle
VIN = 8V, VBAT = 3.5V Charge
VIN = 5V (Below UVLO), VBAT = 4.2V
VIN = 8V, VBAT = 4.25V No Bat
VIN = 8V, VBAT = 2.5V Trickle
VIN = 8V, VBAT = 3.5V Charge
No Bat (External 200µA Pull-Up on VBAT)
High Going Threshold
Low Going Threshold
q1
5
12
µA
q 1.0
1.4
2.0
mA
10
17
21
mA
q 0.5
3.0
5.0
mA
q 5.5
6.5
7.5
V
q 5.0
6.0
7.0
V
q –1
– 0.1
1
µA
q 40
73
120
µA
– 19 – 12 – 9.5
mA
q – 2.7 – 1.3 – 0.5
mA
q 4.25
4.5
4.75
V
q 4.25 4.51 4.75
V
q 4.25 4.50 4.75
V
VMIN
Low VBAT Threshold
High Going Threshold
Low Going Threshold
q 2.55
2.7
2.85
V
q 2.45
2.6
2.75
V
ISENSE
VC10
SENSE Pin Current
SENSE Pin C/10 Offset
Charge State, VSENSE = 3V
Charge State, VC10 = (VBAT – VSENSE)
q 85
100
115
µA
q
±1
±2.5
mV
2
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