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参数资料
| 型号： | LTC4085EDE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 14-DFN |
| 标准包装： | 91 |
| 功能： | 电源管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 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： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-DFN-EP（4x3） |
| 包装： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
LTC4085
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2, 3, 4, 5)
Terminal Voltage
PIN CONFIGURATION
TOP VIEW
IN, OUT
t < 1ms and Duty Cycle < 1% ................... –0.3V to 7V
IN
OUT
1
2
14 BAT
13 GATE
Steady State ............................................ –0.3V to 6V
BAT, CHRG , HPWR, SUSP, WALL, ACPR ..... –0.3V to 6V
NTC, TIMER, PROG, CLPROG .......–0.3V to (V CC + 0.3V)
Pin Current (Steady State)
CLPROG
HPWR
SUSP
TIMER
WALL
3
4
5
6
7
15
12 PROG
11 CHRG
10 ACPR
9 V NTC
8 NTC
IN, OUT, BAT (Note 6) ..............................................2.5A
Operating Temperature Range ................. –40°C to 85°C
Maximum Operating Junction Temperature ...........110°C
Storage Temperature Range .................. –65°C to 125°C
ORDER INFORMATION
DE PACKAGE
14-LEAD (4mm 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 40°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC4085EDE#PBF
TAPE AND REEL
LTC4085EDE#TRPBF
PART MARKING
4085
PACKAGE DESCRIPTION
14-Lead (4mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The l indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 5V, V BAT = 3.7V, HPWR = 5V, WALL = 0V, R PROG = 100k,
R CLPROG = 2k, unless otherwise noted.
SYMBOL
V IN
V BAT
I IN
PARAMETER
Input Supply Voltage
Input Voltage
Input Supply Current
CONDITIONS
IN and OUT
BAT
I BAT = 0 (Note 7)
Suspend Mode; SUSP = 5V
Suspend Mode; SUSP = 5V, WALL = 5V,
l
l
l
MIN
4.35
TYP
0.5
50
60
MAX
5.5
4.3
1.2
100
110
UNITS
V
V
mA
μA
μA
V OUT = 4.8V
I OUT
I BAT
Output Supply Current
Battery Drain Current
V OUT = 5V, V IN = 0V, NTC = V NTC
V BAT = 4.3V, Charging Stopped
Suspend Mode; SUSP = 5V
V IN = 0V, BAT Powers OUT, No Load
l
l
l
l
0.7
15
22
60
1.4
27
35
100
mA
μA
μA
μA
V UVLO
Input or Output Undervoltage Lockout
V IN Powers Part, Rising Threshold
V OUT Powers Part, Rising Threshold
l
l
3.6
2.75
3.8
2.95
4
3.15
V
V
? V UVLO
Input or Output Undervoltage Lockout
V IN Rising – V IN Falling
or V OUT Rising – V OUT Falling
130
mV
Current Limit
I LIM
Current Limit
R CLPROG = 2k (0.1%), HPWR = 5V
R CLPROG = 2k (0.1%), HPWR = 0V
l
l
475
90
500
100
525
110
mA
mA
I IN(MAX)
R ON
Maximum Input Current Limit
ON Resistance V IN to V OUT
(Note 8)
I OUT = 100mA Load
2.4
215
A
m Ω
4085fd
2
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相关代理商/技术参数 |
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| LTC4085EDE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and Li-Ion Charger |
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