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参数资料
| 型号： | MAX8672ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/17页 |
| 文件大小： | 0K |
| 描述： | IC MANAGE NIMH BACKUP 14-TDFN |
| 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： | 镍金属氢化物 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
Complete Backup Management
IC for NiMH Batteries
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, T A = -40°C to +85°C, C CT = 0.1μF, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CHGV Output Current
CHGV Resistor Range
V CHGV = 1V
28.7
13
57.4
μA
k Ω
T A = +25 C
V BATT(CHG) Voltage-Limit Adjust Range
Measured at BATT
o
1.50
-1
3.00
+1
V
V BATT(CHG) Voltage-Limit Accuracy
R CHGV = 28.7k Ω
T A = 0 o C to +50 o C
-1.25
+1.25
%
T A = -30 o C to +85 o C
-2.25
+2.25
V BATT(TRK) to V BATT(CHG) Ratio
V BATT(RSTRT) to V BATT(CHG) Ratio
Sets 1.41V when V CHGV = 1.5V, measured at BATT
Sets 1.225V when V CHGV = 1.5V, measured at BATT
0.926
0.799
0.940
0.816
0.954
0.832
—
—
Sets 1.00V when V CHGV = 1.5V, measured at BATT; this
V BATT(DR) to V BATT(CHG) Ratio
is the V BATT above which deep recovery (DR) turns off;
0.653
0.667
0.680
—
the falling threshold is typically 50mV below this
V DR Output Voltage to V BATT(CHG) Ratio Measured at BATT; no load on DR
0.775
0.816
0.861
—
T A = +25 C
DR Load Regulation
Charge-Timer Accuracy
I DR = 0 to 10mA
Does not include
capacitor error
o
T A = -40 o C to +85 o C
10
20
20
25
%
%
Timer Adjust Range
CHGI timer period, C CT = 0.047μF = 8h (480min)
2
2000
min
R THERM = 100k Ω at T A = +25 C, T A rising
R THERM = 100k Ω at T A = +25 C, T A falling
Thermistor Hot-Trip Point
Thermistor Cold-Trip Point
o
o
44
-2
45
-1
46
0
o
o
C
C
Thermistor Temperature Hysteresis
2
o
C
Hot-Trip Thermistor Resistance
Cold-Trip Thermistor Resistance
T A rising
T A falling
T A falling
T A rising
42.00
325.5
43.71
48.15
342.0
302.0
45.42
358.6
k Ω
UV Output Current
UV Resistor Range
UV Battery-Cutoff Programmable Range
V UV = 1V
49.9
0.8
4
215
3.5
μA
k Ω
V
UV Battery-Cutoff Accuracy
R UV = 49.9k Ω
T A = 0 o C to +50 o C
T A = -30 o C to +85 o C
-2
-3.25
+2
+3.25
%
LDO
LDO Output-Voltage Range
Using external resistors, no load
1.5
3.05
V
FBL Regulation Voltage
LDO Output Current
LDO Load Regulation
LDO Dropout Voltage
LDO Dropout Resistance
V BST = 3.3V, V LDO = 3.05V
(Note 3)
V BST = 3.3V, V LDO = 3.05V, I LDO = 1mA to 20mA
V LDO = 2.5V, I LDO = 10mA
V LDO = 2.5V
1.225
1.25
0.08
50
5
1.275
20
0.2
100
V
mA
%/mA
mV
Ω
FBL Input Bias Current
V FBL = 1.25V
T A = +25 o C
T A = +85 o C
3
15
50
nA
_______________________________________________________________________________________
3
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