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参数资料
| 型号： | LTC3550EDHC-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATT DUAL 16-DFN |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 4.3 V ~ 8 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFDFN 裸露焊盘 |
| 供应商设备封装： | 16-DFN（5x3） |
| 包装： | 带卷 (TR) |
LTC3550-1
ELECTRICAL CHARACTERISTICS
The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V DCIN = 5V, V USBIN = 5V, V CC = 3.6V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V ASD-DC
V DCIN – V BAT Lockout Threshold Voltage V DCIN from Low to High, V BAT = 4.2V
V DCIN from High to Low, V BAT = 4.2V
140
20
180
50
220
80
mV
mV
V ASD-USB
V USBIN – V BAT Lockout Threshold
Voltage
V USBIN from Low to High, V BAT = 4.2V
V USBIN from High to Low, V BAT = 4.2V
140
20
180
50
220
80
mV
mV
Battery Charger
I DCIN
DCIN Supply Current
Charge Mode (Note 5)
Standby Mode
Shutdown Mode
R IDC = 10k
Charge Terminated
ENABLE = 5V
●
●
250
50
20
800
100
40
μA
μA
μA
I USBIN
USBIN Supply Current
Charge Mode (Note 6)
Standby Mode
Shutdown Mode
Shutdown Mode
R IUSB = 10k, V DCIN = 0V
Charge Terminated
V DCIN = 0V, ENABLE = 0V
V DCIN > V USBIN
●
●
250
50
18
10
800
100
36
20
μA
μA
μA
μA
V FLOAT
Regulated Output (Float) Voltage
I BAT = 1mA
I BAT = 1mA, 0°C < T A < 85°C
4.175
4.158
4.2
4.2
4.225
4.242
V
V
I BAT
BAT Pin Current
Constant-Current Mode
Constant-Current Mode
Constant-Current Mode
Standby Mode
Shutdown Mode
Sleep Mode
R IDC = 1.25k
R IUSB = 2.1k
R IDC = 10k or R IUSB = 10k
Charge Terminated
Charger Disabled
DCIN = 0V, USBIN = 0V
●
●
●
760
450
93
800
476
100
–3
–1
±1
840
500
107
–6
–2
±2
mA
mA
mA
μA
μA
μA
V IDC
V IUSB
IDC Pin Regulated Voltage
IUSB Pin Regulated Voltage
Constant-Current Mode
Constant-Current Mode
0.95
0.95
1.0
1.0
1.05
1.05
V
V
I TERMINATE
Δ V RECHRG
t RECHRG
t TERMINATE
t SS
Charge Current Termination Threshold
Recharge Battery Threshold Voltage
Recharge Comparator Filter Time
Termination Comparator Filter Time
Soft-Start Time
R ITERM = 1k
R ITERM = 2k
R ITERM = 10k
R ITERM = 20k
V FLOAT – V RECHRG , 0°C < T A < 85°C
V BAT from High to Low
I BAT Drops Below Termination Threshold
I BAT = 10% to 90% Full-Scale
●
●
●
●
90
45
8.5
4
65
3
0.8
175
100
50
10
5
100
6
1.5
250
110
55
11.5
6
135
9
2.2
325
mA
mA
mA
mA
mV
ms
ms
μs
R ON-DC
Power FET On-Resistance (Between
400
m Ω
DCIN and BAT)
R ON-USB
Power FET On-Resistance (Between
550
m Ω
USBIN and BAT)
T LIM
Junction Temperature in Constant-
105
°C
Temperature Mode
Switching Regulator
V OUT
Δ V OUT
I PK
Regulated Output Voltage
Output Voltage Line Regulation
Peak Inductor Current
I OUT = 100mA
V CC = 3V, V OUT = 1.7V
●
●
1.819
0.75
1.875
0.04
1
1.931
0.4
1.25
V
%/V
A
V LOADREG
I S
Output Voltage Load Regulation
Input DC Bias Current
(Note 7)
0.5
%
Active Mode
Sleep Mode
Shutdown
V OUT = 1.7V, I LOAD = 0A
V OUT = 1.94V, I LOAD = 0A
V RUN = 0V, V CC = 5.5V
300
20
0.1
400
35
1
μA
μA
μA
35501f
3
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相关代理商/技术参数 |
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| LTC3552 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Standalone Linear Li-Ion Battery Charger and Dual Synchronous Buck Converter |
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| LTC3552EDHC#PBF | 功能描述:IC CHARGER BATT LI-ION 16-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 |
| LTC3552EDHC#TRPBF | 功能描述:IC CHARGER BATT LI-ION 16-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 |
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