参数资料
型号: LTC4078EDD-2#TRPBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC USB POWER MANAGER 10-DFN
标准包装: 2,500
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: 4.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC4078/LTC4078X
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (DCIN, USBIN) ............–0.3 to 22V
ENABLE, CHRG , PWR , BATDET, BAT ...............–0.3 to 6V
PIN CONFIGURATION
TOP VIEW
IDC, IUSB, ITERM Pin Current .................................1mA
DCIN, USBIN, BAT Pin Current ....................................1A
BAT Short-Circuit Duration............................Continuous
Maximum Junction Temperature........................... 125°C
USBIN
IUSB
ITERM
PWR
CHRG
1
2
3
4
5
11
10 DCIN
9 BAT
8 IDC
7 BATDET
6 ENABLE
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 40°C/W (Note 3)
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC4078XEDD#PBF
LTC4078EDD#PBF
TAPE AND REEL
LTC4078XEDD#TRPBF
LTC4078EDD#TRPBF
PART MARKING
LCYP
LDJY
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
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 = 5V, V USBIN = 5V unless otherwise noted.
SYMBOL
V DCIN
V USBIN
I DCIN
PARAMETER
Operating Supply Voltage
Operating Supply Voltage
DCIN Supply Current
CONDITIONS
Charge Mode (Note 4), R IDC = 10k
Standby Mode; Charge Terminated
l
l
l
l
MIN
4.3
4.3
TYP
350
70
MAX
5.5
5.5
800
120
UNITS
V
V
μA
μA
Shutdown Mode (ENABLE = 5V)
Overvoltage Mode (V DCIN = 10V)
40
70
80
140
μA
μA
I USBIN
USBIN Supply Current
Charge Mode (Note 5), R IUSB = 10k, V DCIN = 2V
Standby Mode; Charge Terminated, V DCIN = 2V
l
l
350
70
800
120
μA
μA
Shutdown (V DCIN = 2V, ENABLE = 0V)
Overvoltage Mode (V USBIN = 10V)
V DCIN > V USBIN
40
70
23
80
140
40
μA
μA
μA
V FLOAT
Regulated Output (Float) Voltage
I BAT = 1mA
I BAT = 1mA, 0°C < T A < 85°C
4.185
4.165
4.2
4.2
4.215
4.235
V
V
I BAT
BAT Pin Current
R IDC = 1.25k, Constant-Current Mode
R IUSB = 2.1k, Constant-Current Mode
R IDC = 10k or R IUSB = 10k
Standby Mode, Charge Terminated
l
l
l
770
455
93
800
476
100
–7.5
830
495
107
–12
mA
mA
mA
μA
Shutdown Mode (Charger Disabled)
Sleep Mode (V DCIN = 0V, V USBIN = 0V)
–7.5
–7.5
–12
–12
μA
μA
4078xfb
2
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