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| 型号： | LTC4008EGN |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER CTRLR 4A 20SSOP |
| 标准包装： | 55 |
| 功能： | 充电管理 |
| 电池化学： | 多化学 |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 管件 |
LTC4008
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V DCIN = 20V, V BAT = 12V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input P-Channel FET Driver (INFET) (LTC4008 Only)
DCIN Detection Threshold (V DCIN – V CLP )
DCIN Voltage Ramping Up
l
0
0.17
0.25
V
from V CLP – 0.1V
Forward Regulation Voltage (V DCIN – V CLP )
l
25
50
mV
Reverse Voltage Turn-Off Voltage (V DCIN – V CLP )
DCIN Voltage Ramping Down
l
–60
–25
mV
INFET “On” Clamping Voltage (V CLP – V INFET )
I INFET = 1μA
l
5
5.8
6.5
V
INFET “Off” Clamping Voltage (V CLP – V INFET )
I INFET = –25μA
0.25
V
Thermisto r
NTCVR
Reference Voltage During Sample Time
4.5
V
High Threshold
V NTC Rising
l
NTCVR
NTCVR
NTCVR
V
? 0.48
? 0.5
? 0.52
Low Threshold
V NTC Falling
l
NTCVR
NTCVR
NTCVR
V
? 0.115
? 0.125
? 0.135
Thermistor Disable Current
V NTC ≤ 10V
10
μA
Indicator Outputs (ACP/ SHDN , FLAG , I CL , FAULT
C10TOL
FLAG (C/10) Accuracy
I CL Threshold Accuracy
Voltage Falling at PROG
V CLP – V CLN
l
0.375
83
0.397
93
0.420
105
V
mV
V OL
Low Logic Level of ACP/ SHDN , FLAG , I CL , FAULT I OL = 100μA
0.5
V
V OH
High Logic Level of ACP/ SHDN , I CL
I OH = –1μA
l
2.7
V
I OFF
I PO
Off State Leakage Current of FLAG , FAULT
Pull-Up Current on ACP/ SHDN , I CL
V OH = 3V
V = 0V
–1
–10
1
μA
μA
Oscillator
f OSC
Regulator Switching Frequency
255
300
345
kHz
f MIN
DC MAX
Regulator Switching Frequency in Drop Out
Regulator Maximum Duty Cycle
Duty Cycle ≥ 98%
V CSP = V BAT
20
98
25
99
kHz
%
Gate Drivers (TGATE, BGATE)
V TGATE High (V CLP – V TGATE )
I TGATE = –1mA
50
mV
V BGATE High
V TGATE Low (V CLP – V TGATE )
V BGATE Low
C LOAD = 3000pF
C LOAD = 3000pF
I BGATE = 1mA
5.6
5.6
10
10
50
V
V
mV
TGATE Transition Time
TGTR
TGTF
TGATE Rise Time
TGATE Fall Time
C LOAD = 3000pF, 10% to 90%
C LOAD = 3000pF, 10% to 90%
50
50
110
100
ns
ns
BGATE Transition Time
BGTR
BGTF
BGATE Rise Time
BGATE Fall Time
V TGATE at Shutdown (V CLP – V TGATE )
V BGATE at Shutdown
C LOAD = 3000pF, 10% to 90%
C LOAD = 3000pF, 10% to 90%
I TGATE = –1μA, DCIN = 0V, CLP = 12V
I BGATE = 1μA, DCIN = 0V, CLP = 12V
40
40
90
80
100
100
ns
ns
mV
mV
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: See Test Circuit.
Note 3: Does not include tolerance of current sense resistor or current
Note 4: The LTC4008E is guaranteed to meet performance speci?cations
from 0°C to 70°C. Speci?cations over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 5: Voltage accuracy includes BATMON error and voltage reference
error. Does not include error of external resistor divider.
programming resistor.
4008fb
4
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相关代理商/技术参数 |
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| LTC4008EGN#PBF | 功能描述:IC BATT CHARGER CTRLR 4A 20SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
| LTC4008EGN#TR | 功能描述:IC CTRLR CHARGR PWM CC/CV 20SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4008EGN#TRPBF | 功能描述:IC BATT CHARGER CTRLR 4A 20SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4008EGN-1 | 功能描述:IC BATT CHARGER CTRLR 4A 20SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4008EGN-1#PBF | 功能描述:IC BATT CHARGER CTRLR 4A 20SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
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