参数资料
型号: LTC4076EDD#TRPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC CHARG BATT LI-ON USB 10DFN
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: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC4076
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, HPWR = 5V unless otherwise noted.
SYMBOL
I TRIKL
V TRIKL
V UVDC
V UVUSB
V ASD-DC
V ASD-USB
V ? E ? N
R ? E ? N
V HPWR
R HPWR
V ? C ? H ? R ? G
V ? P ? W ? R
Δ V RECHRG
t RECHRG
t TERMINATE
t SS
PARAMETER
Trickle Charge Current
Trickle Charge Threshold Voltage
DCIN Undervoltage Lockout Voltage
USBIN Undervoltage Lockout Voltage
V DCIN – V BAT Lockout Threshold
V USBIN – V BAT Lockout Threshold
? E N ? Input Threshold Voltage
? E ? N Pulldown Resistance
HPWR Input Threshold Voltage
HPWR Pulldown Resistance
? C ? H ? R ? G Output Low Voltage
? P ? W ? R Output Low Voltage
Recharge Battery Threshold Voltage
Recharge Comparator Filter Time
Termination Comparator Filter Time
Soft-Start Time
CONDITIONS
V BAT < V TRIKL ; R IDC = 1.25k
V BAT < V TRIKL ; R IUSB = 2.1k
V BAT Rising
Hysteresis
From Low to High
Hysteresis
From Low to High
Hysteresis
V DCIN from Low to High, V BAT = 4.2V
V DCIN from High to Low, V BAT = 4.2V
V USBIN from Low to High
V USBIN from High to Low
I ? C ? H ? R ? G = 5mA
I ? P ? W ? R = 5mA
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
MIN
60
30
2.8
4
3.8
140
20
140
20
0.4
1
0.4
1
65
3
0.8
175
TYP
80
47.5
2.9
100
4.15
200
3.95
200
180
50
180
50
0.7
2
0.7
2
0.35
0.35
100
6
1.5
250
MAX
100
65
3
4.3
4.1
220
80
220
80
1
5
1
5
0.6
0.6
135
10
2.2
325
UNITS
mA
mA
V
mV
V
mV
V
mV
mV
mV
mV
mV
V
M Ω
V
M Ω
V
V
mV
ms
ms
μs
R ON-DC
R ON-USB
T LIM
Power FET “ON” Resistance
(Between DCIN and BAT)
Power FET “ON” Resistance
(Between USBIN and BAT)
Junction Temperature in
Constant-Temperature Mode
400
550
105
m Ω
m Ω
°C
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC4076E is guaranteed to meet the performance
speci?cations from 0°C to 85°C. Speci?cations over the –40°C to 85°C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3: Failure to correctly solder the exposed backside of the package to
the PC board will result in a thermal resistance much higher than 40°C/W.
See Thermal Considerations.
Note 4: Supply current includes IDC and ITERM pin current (approximately
100μA each) but does not include any current delivered to the battery
through the BAT pin.
Note 5: Supply current includes IUSB and ITERM pin current
(approximately 100μA each) but does not include any current delivered to
the battery through the BAT pin.
Note 6: Guaranteed by long term current density limitations.
Note 7: V CC is greater of DCIN or USBIN
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