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参数资料
| 型号： | LTC4088EDE-1#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| 封装： | 4 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WGED-3, DFN-14 |
| 文件页数： | 18/24页 |
| 文件大小： | 906K |
| 代理商： | LTC4088EDE-1#TR |
LTC4088-1
40881fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VUVLO
VBUS Undervoltage Lockout
Rising Threshold
Falling Threshold
3.95
4.30
4.00
4.35
V
VDUVLO
VBUS to BAT Differential Undervoltage
Lockout
Rising Threshold
Falling Threshold
200
50
mV
VOUT
VOUT Voltage
1x, 5x, 10x Modes, 0V < BAT ≤ 4.2V,
IOUT = 0mA, Battery Charger Off
3.5
BAT + 0.3
4.7
V
USB Suspend Modes, IOUT = 250A
4.5
4.6
4.7
V
fOSC
Switching Frequency
1.8
2.25
2.7
MHz
RPMOS
PMOS On Resistance
0.18
Ω
RNMOS
NMOS On Resistance
0.30
Ω
IPEAk
Peak Inductor Current Clamp
1x, 5x Modes
10x Mode
2
3
A
RSUSP
Suspend LDO Output Resistance
15
Ω
Battery Charger
VFLOAT
BAT Regulated Output Voltage
0°C ≤ TA ≤ 85°C
4.179
4.165
4.200
4.221
4.235
V
ICHG
Constant-Current Mode Charge Current RPROG = 1k
RPROG = 5k
980
196
1030
206
1080
220
mA
IBAT
Battery Drain Current
VBUS > VUVLO, PowerPath Switching
Regulator On, Battery Charger Off,
IOUT = 0A
3.5
5
A
VBUS = 0V, IOUT = 0A (Ideal Diode Mode)
23
35
A
VPROG
PROG Pin Servo Voltage
1.000
V
VPROG,TRkL
PROG Pin Servo Voltage in Trickle
Charge
BAT < VTRkL
0.100
V
hPROG
Ratio of IBAT to PROG Pin Current
1031
mA/mA
VTRkL
Trickle Charge Threshold Voltage
BAT Rising
2.7
2.85
3.0
V
ΔVTRkL
Trickle Charge Hystersis Voltage
135
mV
VRECHRG
Recharge Battery Threshold Voltage
Threshold Voltage Relative to VFLOAT
–80
–100
–120
mV
tTERM
Safety Timer Termination Period
Timer Starts when VBAT = VFLOAT
3.2
4.0
4.8
Hour
tBADBAT
Bad Battery Termination Time
BAT < VTRkL
0.4
0.5
0.6
Hour
IC/X
Battery Charge Current at Programmed
End of Charge Indication
RC/X = 1k
RC/X = 5k
85
100
20
115
mA
VC/X
C/X Threshold Voltage
100
mV
hC/X
Battery Charge Current Ratio to C/X
1031
mA/mA
VCHRG
CHRG Pin Output Low Voltage
ICHRG = 5mA
65
100
mV
ICHRG
CHRG Pin Input Current
BAT = 4.5V, VCHRG = 5V
0
1
A
RON_CHG
Battery Charger Power FET
On-Resistance (Between VOUT and BAT)
IBAT = 200mA
0.18
Ω
TLIM
Junction Temperature in Constant
Temperature Mode
110
°C
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, BAT = 3.8V, RCLPROG = 2.94k, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4088EDE-1-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager with Regulated Output Voltage |
| LTC4088EDE-2#PBF | 功能描述:IC CHRGR BATT HE 14-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:4.35 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC4088EDE-2#TRPBF | 功能描述:IC CHRGR BATT HE 14-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:4.35 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC4088EDE-2-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager with Regulated Output Voltage |
| LTC4088EDE-2-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager with Regulated Output Voltage |
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