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| 型号： | LTC4010CFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER NIMH/NICD 16-TSSOP |
| 标准包装： | 95 |
| 功能： | 充电管理 |
| 电池化学： | 镍镉（NiCd）、镍金属氢化物（NiMH） |
| 电源电压： | 4.5 V ~ 34 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 管件 |
LTC4010
ELECTRICAL CHARACTERISTICS The l indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V CC = 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Charger Timing
?t TIMER
Internal Time Base Error
l
–10
10
%
?t MAX
Programmable Timer Error
R TIMER = 49.9k
l
–20
20
%
Status and Chemistry Select
V OL
I LKG
I IH(VCDIV)
Output Voltage Low (I LOAD = 10mA)
Output Leakage Current
Input Current High
V CDIV
All Other Status Outputs
All Status Outputs Inactive, V OUT = V CC
V CDIV = V BAT (Shutdown)
l
l
l
l
–10
–1
435
300
700
600
10
1
mV
mV
μA
μA
V IL
V IH
Input Voltage Low
Input Voltage High
CHEM (NiMH)
CHEM (NiCd)
l
l
2.85
900
mV
V
I IL
I IH
Input Current Low
Input Current High
CHEM = GND
CHEM = 3.3V
l
l
–20
–20
–5
20
μA
μA
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 LTC4010E is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the 0°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Operating junction temperature T J (in °C) is calculated from
the ambient temperature T A and the total continuous package power
dissipation P D (in watts) by the formula:
T J = T A + Q JA ? P D
Refer to the Applications Information section for details. This IC includes
overtemperature protection that is intended to protect the device during
momentary overload conditions. Junction temperature will exceed 125°C
when overtemperature protection is active. Continuous operation above
the specified maximum operating junction temperature may result in
device degradation or failure.
Note 4: All current into device pins are positive. All current out of device
pins are negative. All voltages are referenced to GND, unless otherwise
specified.
Note 5: Output current may be limited by internal power dissipation. Refer
to the Applications Information section for details.
Note 6: Either TGATE V OH may apply for 7.5V < V CC < 9V.
Note 7: These limits apply specifically to the thermistor network shown in
Figure 5 in the Applications Information section with a B of 3750 and are
guaranteed by specific V TEMP voltage measurements during test.
Note 8: These limits are guaranteed by correlation to wafer level
measurements.
TYPICAL PERFORMANCE CHARACTERISTICS
NiCd Charge Cycle at 1C
NiCd Charge Cycle at 2C
1.65
1.60
36
34
1.75
1.70
4 SERIES NiCd 1300mAhr
SC CELLS CHARGED AT 2C
55
50
1.55
1.50
1.45
1.40
SINGLE CELL
VOLTAGE
BATTERY
TEMPERATURE
32
30
28
26
1.65
1.60
1.55
1.50
1.45
SINGLE CELL
VOLTAGE
BATTERY
TEMPERATURE
3A
2A
45
40
35
30
25
1.35
CHARGE CURRENT
1A
24
1.40
CHARGE CURRENT
1A
20
1.30
0
20
40
60
22
80
1.35
0
10
20
30
40
15
TIME (MINUTES)
4010 G01
TIME (MINUTES)
4010 G02
4010fb
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