参数资料
型号: MAX8730ETI+T
厂商: Maxim Integrated Products
文件页数: 7/29页
文件大小: 0K
描述: IC CHARGER BATTERY 28-TQFN
标准包装: 2,500
功能: 充电管理
电池化学: 多化学
电源电压: 8 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Low-Cost Battery Charger
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V SRC = V ASNS = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V VCTL = V ICTL = 1.8V, MODE = float,
ACIN = 0, CLS = REF, REFON = LDO, INPON = LDO, RELTH = 2V. T A = -40°C to +85°C , unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
V CLS = REF (trim point)
72.75
72.75
78.25
78.25
mV
mV
Input Current-Limit Accuracy
V CLS = REF x 0.7
50.0
56.0
mV
CSSP/CSSN Input Voltage Range
V CLS = REF x 0.5
36.00
8.0
40.50
28
mV
V
CSSP/CSSN Input Current
CLS Input Range
V CSSP = V CSSN = V SRC > 8.0V
1.1
1000
REF
μA
V
IINP Transconductance
IINP Accuracy
IINP Gain Error
IINP Offset Error
IINP Fault Threshold
V CSSP - V CSSN = 56mV
V CSSP - V CSSN = 100mV, V IINP = 0 to 4.5V
V CSSP - V CSSN = 75mV
V CSSP - V CSSN = 56mV
V CSSP - V CSSN = 20mV
Based on V ICTL = REF x 0.5 and V ICTL = REF
Based on V ICTL = REF x 0.5 and V ICTL = REF
IINP rising
2.66
-5
-8
-5
-12.5
-7
-2
4.1
2.94
+5
+8
+5
+12.5
+7
+2
4.3
μA/mV
%
%
mV
V
SUPPLY AND LINEAR REGULATOR
SRC Input Voltage Range
8.0
28
V
SRC Undervoltage Lockout
Threshold
SRC falling
SRC rising
Normal mode
7
8
6
V
mA
V INPON = V REFON = low
20
SRC Quiescent Current
(INPON/REFON = Don’t Care)
SRC = VBATT =
12V, ASNS =
GND (Note 2)
V INPON = low,
V REFON = high
V INPON = high,
V REFON = low
600
600
μA
V INPON = V REFON = high
600
BATT Input Current
Battery Leakage Current
VBATT = 2V to 19V, VSRC > VBATT + 0.3V
I CSIP + I CSIN + I BATT
V REFON = 5.4V
+ I CSSP + I CSSN + I SRC ,
INPON = GND
ASNS = REFON = GND
600
600
16
μA
μA
LDO Output Voltage
LDO Load Regulation
8.0V < VSRC < 28V, no load
0 < ILDO < 10mA
5.2
5.5
50
V
mV
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