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参数资料
| 型号： | LTC3550EDHC-1#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATT DUAL 16-DFN |
| 标准包装： | 73 |
| 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： | 管件 |
LTC3550-1
ABSOLUTE
(Note 1)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
DCIN, USBIN .............................................. –0.3V to 10V
TOP VIEW
ENABLE, ? C ? H ? R ? G, ? P ? W ? R, USBPWR ............... –0.3V to 10V
BAT, IDC, IUSB, ITERM ................................ –0.3V to 7V
USBIN
IUSB
1
2
16 DCIN
15 BAT
V CC ............................................................... –0.3V to 6V
RUN, V OUT .................................................. –0.3V to V CC
SW (DC)........................................ –0.3V to (V CC + 0.3V)
DCIN Pin Current (Note 2) ..........................................1A
USBIN Pin Current (Note 2) .................................700mA
ITERM
PWR
CHRG
V OUT
V CC
GND
3
4
5
6
7
8
17
14 IDC
13 USBPWR
12 ENABLE
11 RUN
10 SW
9 GND
BAT Pin Current (Note 2) ............................................1A
P-Channel SW Source Current (DC).....................800mA
N-Channel SW Source Current (DC) ....................800mA
Peak SW Sink and Source Current ...........................1.3A
Operating Temperature Range (Note 3) ... –40°C to 85°C
DHC PACKAGE
16-LEAD (5mm × 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 40°C (Note 4)
EXPOSED PAD IS GROUND (PIN 17)
MUST BE SOLDERED TO PCB
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range................... –65°C to 125°C
ORDER PART NUMBER
LTC3550EDHC-1
PART MARKING
35501
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
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
V DCIN
V USBIN
V CC
V ENABLE
R ENABLE
PARAMETER
Wall Adapter Input Supply Voltage
USB Port Input Supply Voltage
Buck Regulator Input Supply Voltage
ENABLE Input Threshold Voltage
ENABLE Pulldown Resistance
CONDITIONS
●
●
●
MIN
4.3
4.3
2.5
0.4
1.2
TYP
0.7
2
MAX
8
8
5.5
1.0
5
UNITS
V
V
V
V
M Ω
V RUN
I RUN
V ? C ? H ? R ? G
V ? P ? W ? R
V USBPWR
V UVDC
RUN Threshold Voltage
RUN Leakage Current
? ?
? C ? H ? R ? G Output Low Voltage
? P W R Output Low Voltage
USBPWR Output Low Voltage
DCIN Undervoltage Lockout Voltage
I ? C ? H ? R ? G = 5mA
I ? P ? W ? R = 5mA
I USBPWR = 200μA
From Low to High
●
●
0.3
4.0
1
±0.01
0.35
0.35
0.35
4.15
1.5
±1
0.6
0.6
0.6
4.3
V
μA
V
V
V
V
Hysteresis
200
mV
V UVUSB
USBIN Undervoltage Lockout Voltage
From Low to High
3.8
3.95
4.1
V
Hysteresis
200
mV
35501f
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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