參數(shù)資料
型號(hào)： LTM8062EV#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： BATTERY CHARGE CONTROLLER, 1150 kHz SWITCHING FREQ-MAX, PBGA77
封裝： 15 X 9 MM, 4.32 MM HEIGHT, ROHS COMPLIANT, MO-222, LGA-77
文件頁(yè)數(shù)： 18/24頁(yè)
文件大?。?/td> 580K
代理商： LTM8062EV#PBF
LTM8062/LTM8062A
3
8062fa
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTM8062E/LTM8062AE are guaranteed to meet performance
specifications from 0°C to 125°C internal. Specifications over the full
–40°C to 125°C internal operating temperature range are assured by
design, characterization and correlation with statistical process controls.
The LTM8062I/LTM8062AI are guaranteed to meet specifications over
the full –40°C to 125°C internal operating temperature range. Note that
The l denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at TA = 25°C. RUN = 2V.
the maximum internal temperature is determined by specific operating
conditions in conjunction with board layout, the rated package thermal
resistance and other environmental factors.
Note 3: This parameter is valid for programmed output battery float
voltages ≤ 4.2V. For other float voltages, VIN Start is 3.3V above the
programmed output battery float voltage. This parameter is guaranteed by
design, characterization, and correlation with statistical process controls.
Note 4: The maximum BAT charging current is reduced by thermal
foldback. See the Typical Performance Characteristics for details.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Maximum Operating Voltage
32
V
VIN Start Voltage
VBAT = 4.2V (Note 3)
7.5
V
VIN OVLO Threshold
VIN Rising
32
35
40
V
VIN OVLO Hysteresis
1
V
VIN UVLO Threshold
VIN Rising
4.6
4.95
V
VIN UVLO Hysteresis
0.3
V
VINA to VIN Diode Forward Voltage Drop
VINA Current = 2A
0.55
V
Maximum BAT Float Voltage
LTM8062
LTM8062A
14.7
19.3
V
Input Supply Current
Standby Mode
RUN = 0, VINREG = 15V
85
18
A
Maximum BAT Charging Current
(Note 4)
1.8
2.1
A
ADJ Float Reference Voltage
l
3.275
3.25
3.3
3.325
3.34
V
ADJ Recharge Threshold Voltage
Threshold Relative to ADJ Float Reference
82.5
mV
ADJ Precondition Threshold Voltage
ADJ Rising
2.3
V
ADJ Precondition Threshold Hysteresis Voltage
Relative to ADJ Precondition Threshold
95
mV
ADJ Input Bias Current
Charging Terminated
CV Operation
65
110
nA
VINREG Reference Voltage
ADJ = 3V, IBAT = 1A
l
2.61
2.7
2.83
V
VINREG Bias Current
VINREG = 2.7V
27
A
NTC Range Limit (High) Voltage
VNTC Rising
1.25
1.36
1.45
V
NTC Range Limit (Low) Voltage
VNTC Falling
0.27
0.29
0.315
V
NTC Disable Impedance
250
500
k
NTC Bias Current
VNTC = 0.8V
45
53
A
NTC Threshold Hysteresis
For Both High and Low Range Limits
20
%
RUN Threshold Voltage
VRUN Rising
1.15
1.20
1.25
V
RUN Hysteresis Voltage
120
mV
RUN Input Bias Current
–10
nA
CHRG, FAULT Output Low Voltage
10mA Load
0.4
V
TMR Charge/Discharge Current
25
A
TMR Disable Threshold Voltage
0.25
V
Operating Frequency
0.85
1
1.15
MHz
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