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参数资料
| 型号： | DC1621A |
| 厂商： | Linear Technology |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO LTM8062 |
| 设计资源： | DC1621A Design Files |
| 标准包装： | 1 |
| 系列： | LTM®, uModule® |
| 主要目的： | 电源管理，电池充电器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | LTM8062 |
| 主要属性： | 2 芯锂离子电池 / 锂聚合物，7.2V 2A 输出 |
| 次要属性： | 9.75V ~ 32V 输入 |
| 已供物品： | 板 |
| 相关产品： | LTM8062EV#PBF-ND - IC BATTERY CHARGER TRACK 77-LGA LTM8062IV#PBF-ND - IC BATTERY CHARGER TRACK 77-LGA |
LTM8062/LTM8062A
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at T A = 25°C. RUN = 2V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN Maximum Operating Voltage
32
V
V IN Start Voltage
V BAT = 4.2V (Note 3)
7.5
V
V IN OVLO Threshold
V IN Rising
32
35
40
V
V IN OVLO Hysteresis
1
V
V IN UVLO Threshold
V IN UVLO Hysteresis
V IN Rising
4.6
0.3
4.95
V
V
V INA to V IN Diode Forward Voltage Drop
Maximum BAT Float Voltage
Input Supply Current
V INA Current = 2A
LTM8062
LTM8062A
Standby Mode
RUN = 0, V INREG = 15V
0.55
85
18
14.7
19.3
V
V
V
μA
μA
Maximum BAT Charging Current
(Note 4)
1.8
2.1
A
ADJ Float Reference Voltage
ADJ Recharge Threshold Voltage
ADJ Precondition Threshold Voltage
ADJ Precondition Threshold Hysteresis Voltage
ADJ Input Bias Current
Threshold Relative to ADJ Float Reference
ADJ Rising
Relative to ADJ Precondition Threshold
Charging Terminated
CV Operation
l
3.275
3.25
3.3
82.5
2.3
95
65
110
3.325
3.34
V
V
mV
V
mV
nA
nA
V INREG Reference Voltage
ADJ = 3V, I BAT = 1A
l
2.61
2.7
2.83
V
V INREG Bias Current
V INREG = 2.7V
27
μA
NTC Range Limit (High) Voltage
NTC Range Limit (Low) Voltage
NTC Disable Impedance
NTC Bias Current
NTC Threshold Hysteresis
RUN Threshold Voltage
V NTC Rising
V NTC Falling
V NTC = 0.8V
For Both High and Low Range Limits
V RUN Rising
1.25
0.27
250
45
1.15
1.36
0.29
500
20
1.20
1.45
0.315
53
1.25
V
V
k?
μA
%
V
RUN Hysteresis Voltage
RUN Input Bias Current
120
–10
mV
nA
CHRG , FAULT Output Low Voltage
TMR Charge/Discharge Current
TMR Disable Threshold Voltage
10mA Load
25
0.25
0.4
V
μA
V
Operating Frequency
0.85
1
1.15
MHz
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 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, V IN 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.
8062fd
For more information www.linear.com/LTM8062
3
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