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参数资料
| 型号： | MAX8568AETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/17页 |
| 文件大小： | 0K |
| 描述： | IC BATT MANAGE LITH 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 备份管理 |
| 电池化学： | 锂离子（Li-Ion）；镍金属氢化物（NiMH） |
| 电源电压： | 2.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
Complete Backup-Management ICs
for Lithium and NiMH Batteries
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 7, V IN = V INOK = 3.6V, V BK = 1.4V, V NI/LI = V BKSU = 3.3V, V BKV = GND = PGND = 0V, V STRTV = V TERMV = 1.2V,
R5 = 250k ? , T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
NI/LI Input Current
OD_ On-Resistance
OD_ Leakage Current
CONDITIONS
V BKSU = V NI/LI = 3.3V
V BKSU = 3.6V
V OD_ = 5.5V
T A = +25°C
T A = +85°C
T A = +25°C
T A = +85°C
MIN
TYP
0.05
0.1
11
0.01
0.1
MAX
1
30
1
UNITS
μA
?
μA
BACKUP STEP-UP (Note 2)
BK Input Undervoltage Lockout
V NI/LI = 0V, falling trip point
V NI/LI = V BKSU = 3.3V, falling trip point
1.05
2.45
1.12
1.21
V
BK Input Voltage
5.5
V
Quiescent Current into BKSU
Quiescent Current into BK
I LDO = 0mA, not switching
I BKSU = I LDO = 0mA, not switching
17
2.4
25
4
μA
μA
Shutdown Current into BK
BKV Feedback Voltage
V IN = V INOK = V BKSU = 0V
T A = +25°C
T A = +85°C
1.162
0.001
0.1
1.21
0.5
1.258
μA
V
BKV Feedback Bias Current
BKSU Output-Voltage Accuracy
BKSU Output Voltage Range
V BKV = 1V
V BKV = 0V
V BKV = V BKSU
T A = +25°C
T A = +85°C
3.17
2.4
2.5
5
10
3.3
2.5
50
3.43
2.6
5
nA
V
V
n-Channel Switch On-Resistance
p-Channel Switch On-Resistance
LX Leakage Current
LX Current Limit (ILIM)
n-Channel Switch Maximum On-Time
p-Channel Zero-Channel Crossing Current
I LX = 200mA
I LX = 200mA
T A = +25°C
T A = +85°C
400
3.5
5
0.4
0.7
0.05
0.1
500
5
20
1
2
1
600
6.5
35
?
?
μA
mA
μs
mA
LOW-DROPOUT REGULATOR
BKSU Input Voltage Range
2.7
5.0
V
LDO Output-Voltage Accuracy
V BKSU = 3.3V
MAX8568A
MAX8568B
2.375
1.71
2.5
1.8
2.625
1.89
V
LDO Line Regulation
LDO Load Regulation
2.7V < V BKSU < 5V, I LDO = 1mA
1μA < I LDO < 10mA
1
2.5
mV
mV
_______________________________________________________________________________________
3
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