参数资料
| 型号： | LTC4095EDC#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION/POLY 8-DFN |
| 标准包装： | 2,500 |
| 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： | 4.35 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（2x2） |
| 包装： | 带卷 (TR) |
LTC4095
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2, 3)
Input Supply Voltage (IN)
PACKAGE/ORDER INFORMATION
TOP VIEW
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
BAT 1
8 IN
Steady State............................................. –0.3V to 6V
BAT, SUSP, ? C ? H ? R ? G Voltage ............................ –0.3V to 6V
PROG, NTC, HPWR
GND 2
CHRG 3
SUSP 4
9
7 PROG
6 NTC
5 HPWR
Voltage ............................ –0.3V to Max (IN, BAT) + 0.3V
I BAT .............................................................................1A
I PROG ...................................................................1.25mA
DC PACKAGE
8-LEAD (2mm × 2mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 60°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
I ? C ? H ? R ? G ......................................................................50mA
Junction Temperature ........................................... 125°C
Operating Temperature Range ................. –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
ORDER PART NUMBER
LTC4095EDC
Order Options Tape and Reel: Add #TR
DC PART MARKING
LCLG
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. IN = HPWR = 5V, BAT = 3.8V, NTC = SUSP = 0V, R PROG = 1.74k unless
otherwise speci?ed.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Charger
IN
I IN
Input Supply Voltage
Battery Charger Quiescent Current
(Note 4)
Standby Mode; Charger Terminated
Suspend Mode; SUSP = 5V
●
4.3
200
8.5
5.5
400
17
V
μA
μA
V FLOAT
BAT Regulated Output Voltage
0°C ≤ T A ≤ 85°C
4.179
4.165
4.200
4.200
4.221
4.235
V
V
I CHG
Constant-Current Mode Charge Current
HPWR = 5V
●
440
460
500
mA
HPWR = 0V
84
92
100
mA
I BAT
Battery Drain Current
Standby Mode; Charger Terminated
Shutdown Mode; IN < V UVLO , BAT = 4.2V
Suspend Mode; SUSP = 5V, BAT = 4.2V
–3.5
–2.0
–1.3
–7
–4
–3
μA
μA
μA
V UVLO
Δ V UVLO
V DUVLO
Undervoltage Lockout Threshold
Undervoltage Lockout Hystersis
Differential Undervoltage Lockout
BAT = 3.5V, IN Rising
BAT = 3.5V
BAT = 4.05V, (IN – BAT), IN Falling
3.875
25
4.0
200
40
4.125
60
V
mV
mV
Threshold
Δ V DUVLO
Differential Undervoltage Lockout
BAT = 4.05V
125
mV
Hysteresis
PROG
h PROG
PROG Pin Servo Voltage
Ratio of I BAT to PROG Pin Current
HPWR = 5V
HPWR = 0V
BAT < V TRKL
1.000
0.200
0.100
800
V
V
V
mA/mA
I TRKL
V TRKL
Trickle Charge Current
Trickle Charge Threshold Voltage
BAT < V TRKL
BAT Rising
37
2.8
46
2.9
55
3.0
mA
V
Δ V TRKL
Trickle Charge Hysteresis Voltage
100
mV
Δ V RECHRG
Recharge Battery Threshold Voltage
Threshold Voltage Relative to V FLOAT
–75
–95
–115
mV
4095fa
2
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