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参数资料
| 型号： | LTC4097EDDB#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION/POLY 12-DFN |
| 标准包装： | 1 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFDFN 裸露焊盘 |
| 供应商设备封装： | 12-DFN-EP（3x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
| 其它名称： | LTC4097EDDB#TRMPBFDKR |
LTC4097
ABSOLUTE MAXIMUM RATINGS
(Note 1,7)
PACKAGE/ORDER INFORMATION
V DCIN , V USBIN
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, ? C ? H ? R ? G, NTC, HPWR, SUSP ................... –0.3V to 6V
IDC, IUSB, ITERM ............................–0.3V to V CC + 0.3V
DCIN 1
USBIN 2
VNTC 3
CHRG 4
SUSP 5
NTC 6
TOP VIEW
13
12 BAT
11 GND
10 IDC
9 IUSB
8 ITERM
7 HPWR
BAT Short-Circuit Duration............................Continuous
VNTC Short-Circuit Duration .........................Continuous
DCIN, BAT Pin Current (Note 6) .............................1.25A
DDB PACKAGE
12-LEAD (3mm × 2mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 60°C/W (Note 3)
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
USBIN Pin Current (Note 6) .....................................1.1A
ORDER PART NUMBER
DDB PART MARKING
IDC, IUSB, ITERM Pin Current ............................1.25mA
Junction Temperature ........................................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
LTC4097EDDB LCRM
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, NTC = 0V, R IDC = 1k Ω , R IUSB = 2k Ω ,
R ITERM = 2k Ω unless otherwise noted.
SYMBOL
V DCIN
V USBIN
I DCIN
PARAMETER
Adapter Supply Voltage
USB Supply Voltage
DCIN Supply Current
CONDITIONS
Charge Mode (Note 4), R IDC = 10k
Standby Mode; Charge Terminated
●
●
●
●
MIN
4.25
4.25
TYP
250
50
MAX
5.5
5.5
800
100
UNITS
V
V
μA
μA
Shutdown Mode (SUSP = 5V)
20
40
μA
I USBIN
USBIN Supply Current
Charge Mode (Note 5), R IUSB = 10k, V DCIN = 0V
Standby Mode; Charge Terminated, V DCIN = 0V
●
●
250
50
800
100
μA
μA
Shutdown (V DCIN = 0V, SUSP = 5V)
V DCIN > V USBIN
20
10
40
20
μA
μA
V FLOAT
I BAT
Regulated Output (Float) Voltage
BAT Pin Current
I BAT = 1mA
I BAT = 1mA, 0°C < T A < 85°C
R IDC = 1.25k, Constant-Current Mode
R IUSB = 2.1k, Constant-Current Mode
R IUSB = 2.1k, Constant-Current Mode, HPWR = 0V
R IDC = 10k or R IUSB = 10k
4.179
4.158
750
450
90
88
4.2
4.2
800
476
95
100
4.221
4.242
850
500
100
112
V
V
mA
mA
mA
mA
Standby Mode, Charge Terminated
Shutdown Mode (Charger Disabled)
Sleep Mode (V DCIN = 0V, V USBIN = 0V)
–5
–2
–5
–8
–4
–8
μA
μA
μA
V IDC
V IUSB
IDC Pin Regulated Voltage
IUSB Pin Regulated Voltage
Constant-Current Mode, R IDC = 1.25k
Constant-Current Mode, R IUSB = 2k
Constant-Current Mode, R IUSB = 2k, HPWR = 0
1
1
0.2
V
V
V
I TERMINATE
I TRIKL
Charge Current Termination
Threshold
Trickle Charge Current
R ITERM = 1k
R ITERM = 2k
R ITERM = 10k
V BAT < V TRIKL ; R IDC = 1k
V BAT < V TRIKL ; R IUSB = 2k
88
42
6
85
42
100
50
9.5
100
50
112
58
13
115
58
mA
mA
mA
mA
mA
4097f
2
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