参数资料
型号: LTC4077EDD#TRPBF
厂商: Linear Technology
文件页数: 2/16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)
LTC4077
ABSOLUTE
(Notes 1, 9)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
Input Supply Voltage (DCIN, USBIN) ......... –0.3V to 10V
? E ? N, ? C ? H ? R ? G, ? P ? W ? R, HPWR ............................ –0.3V to 10V
BAT, IDC, IUSB, IUSBL ................................. –0.3V to 7V
DCIN Pin Current (Note 6) ..........................................1A
USBIN Pin Current (Note 6) .................................700mA
BAT Pin Current (Note 6) ............................................1A
BAT Short-Circuit Duration ............................ Continuous
Maximum Junction Temperature .......................... 125 ° C
Operating Temperature Range (Note 2) .. –40 ° C to 85 ° C
Storage Temperature Range .................. –65 ° C to 125 ° C
TOP VIEW
USBIN 1 10 DCIN
IUSB 2 9 BAT
IUSBL 3 11 8 IDC
PWR 4 7 HPWR
CHRG 5 6 EN
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 PART NUMBER DD PART MARKING
LTC4077EDD
LBWD
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, HPWR = 5V unless otherwise noted.
SYMBOL
V DCIN
V USBIN
I DCIN
I USBIN
V FLOAT
PARAMETER
Supply Voltage
Supply Voltage
DCIN Supply Current
USBIN Supply Current
Regulated Output (Float) Voltage
CONDITIONS
Charge Mode (Note 4), R IDC = 10k
Standby Mode; Charge Terminated
Shutdown Mode (EN = 5V)
Charge Mode (Note 5), R IUSB = R IUSBL = 10k,
V DCIN = 0V
Standby Mode; Charge Terminated, V DCIN = 0V
Shutdown (V DCIN = 0V, EN = 5V)
V DCIN > V USBIN
I BAT = 1mA (Note 9)
I BAT = 1mA, 0°C < T A < 85°C, 4.3V < V CC < 8V
MIN
4.3
4.3
4.175
4.158
TYP
150
50
20
150
50
18
10
4.2
4.2
MAX
8
8
700
100
40
700
100
36
20
4.225
4.242
UNITS
V
V
μA
μA
μA
μA
μA
μA
μA
V
V
I BAT
V IDC
V IUSB
V IUSBL
I C/IO
BAT Pin Current
IDC Pin Regulated Voltage
IUSB Pin Regulated Voltage
IUSBL Pin Regulated Voltage
Charge Current Termination Threshold
R IDC = 1.25k, Constant-Current Mode
R IUSB = 2.1k, Constant-Current Mode
R IDC = 10k or R IUSB = 10k
R IUSBL = 4k, HPWR = 0
Standby Mode, Charge Terminated
Shutdown Mode (Charger Disabled)
Sleep Mode (V DCIN = 0V, V USBIN = 0V)
Constant-Current Mode
Constant-Current Mode
Constant-Current Mode
V DCIN = 5V, R IDC = 1.25k (Note 7)
V USBIN = 5V, V DCIN = 0V
760
450
92
44
0.95
0.95
0.18
0.09
0.09
800
476
100
50
–3
–1
±1
1
1
0.2
0.1
0.1
840
500
108
56
–6
–2
±2
1.05
1.05
0.22
0.11
0.11
mA
mA
mA
mA
μA
μA
μA
V
V
V
mA/mA
mA/mA
4077fa
2
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