参数资料
型号: MAX8765ETI+T
厂商: Maxim Integrated Products
文件页数: 9/30页
文件大小: 0K
描述: IC CHARGER BATTERY 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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)
MAX1908/MAX8724/MAX8765/MAX8765A
Low-Cost Multichemistry Battery Chargers
ELECTRICAL CHARACTERISTICS (continued)
(V DCIN = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V REFIN = 3V, V VCTL = V ICTL = 0.75 x V REFIN , CELLS = open, CLS =
REF, V BST - V LX = 4.5V, ACIN = GND = PGND = 0, C LDO = 1μF, LDO = DLOV, C REF = 1μF; CCI, CCS, and CCV are compensated
per Figure 1a; T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY AND LDO REGULATOR
DCIN Input Voltage Range
DCIN Quiescent Current
BATT Input Current
V DCIN
I DCIN
I BATT
8.0V < V DCIN < 28V
V BATT = 19V, V DCIN = 0V
V BATT = 2V to 19V, V DCIN = 19.3V
8
28
6
1
500
V
mA
μA
LDO Output Voltage
LDO Load Regulation
8V < V DCIN < 28V, no load
0 < I LDO < 10mA
5.25
5.55
100
V
mV
REFERENCE
REF Output Voltage
0 < I REF < 500μA
4.065
4.120
V
TRIP POINTS
BATT Power-Fail Threshold
V DCIN falling, referred to V CSIN
(MAX1908/MAX8724 only)
V CSSP falling, referred to V CSIN
(MAX8765/MAX8765A only)
50
50
150
150
mV
ACIN Threshold
ACIN rising (MAX8765/MAX8765A only)
ACIN rising (MAX1908/MAX8724 only)
2.028
2.007
2.068
2.089
V
SWITCHING REGULATOR
DHI Off-Time
DHI Minimum Off-Time
DHI Maximum On-Time
DHI Maximum Duty Cycle
Battery Undervoltage Charge
Current
Battery Undervoltage Current
Threshold
DHI On-Resistance High
DHI On-Resistance Low
DLO On-Resistance High
DLO On-Resistance Low
V BATT = 16V, V DCIN = 19V,
V CELLS = V REFIN
V BATT = 16V, V DCIN = 17V,
V CELLS = V REFIN
V BATT = 3V per cell (RS2 = 15m ? ),
MAX1908 only, V BATT rising
CELLS = GND, MAX1908 only, V BATT rising
CELLS = open, MAX1908 only, V BATT rising
CELLS = V REFIN , MAX1908 only, V BATT rising
V BST - V LX = 4.5V, I DHI = +100mA
V BST - V LX = 4.5V, I DHI = -100mA
V DLOV = 4.5V, I DLO = +100mA
V DLOV = 4.5V, I DLO = -100mA
0.35
0.24
2.5
99
150
6.09
9.12
12.18
0.45
0.33
7.5
450
6.30
9.45
12.60
7
3.5
7
3.5
μs
μs
ms
%
mA
V
?
?
?
?
Maxim Integrated
9
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