参数资料
型号: MAX8725ETI+
厂商: Maxim Integrated Products
文件页数: 4/30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: 60
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: 托盘
Multichemistry Battery Chargers with Automatic
System Power Selector
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V DCIN = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V VCTL = V ICTL = 1.8V, MODE = float, ACIN = 0, CLS =
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY AND LINEAR REGULATOR
DCIN Input Voltage Range
V DCIN
8.0
28
V
DCIN Undervoltage-Lockout Trip
Point
DCIN falling
DCIN rising
7
7.4
7.5
7.85
V
DCIN Quiescent Current
I DCIN
8.0V < V DCIN < 28V
2.7
6
mA
V BATT = 19V, V DCIN = 0V, or ICTL = 0V
0.1
1
BATT Input Current
I BATT
V BATT = 16.8V, V DCIN = 19V, ICTL = 0V
0.1
1
μA
V BATT = 2V to 19V, V DCIN > V BATT + 0.3V
200
500
LDO Output Voltage
LDO Load Regulation
LDO Undervoltage-Lockout Trip
Point
8.0V < V DCIN < 28V, no load
0 < I LDO < 10mA
V DCIN = 8.0V
5.25
3.20
5.4
80
4
5.55
115
5.15
V
mV
V
REFERENCE
REF Output Voltage
REF Undervoltage-Lockout Trip
Point
Ref
0 < I REF < 500μA
REF falling
4.2023
4.2235
3.1
4.2447
3.9
V
V
TRIP POINTS
BATT POWER_FAIL Threshold
BATT POWER_FAIL Threshold
Hysteresis
ACIN Threshold
ACIN Threshold Hysteresis
ACIN Input Bias Current
V DCIN - V BATT , VDCIN falling
ACIN rising
V ACIN = 2.048V
50
100
2.007
10
-1
100
200
2.048
20
150
300
2.089
30
+1
mV
mV
V
mV
μA
SWITCHING REGULATOR
DHI Off-Time
DHI Minimum Off-Time
V BATT = 16.0V, V DCIN = 19V, V MODE = 3.6V
V BATT = 16.0V, V DCIN = 17V, V MODE = 3.6V
360
260
400
300
440
350
ns
ns
DLOV Supply Current
I DLOV
DLO low
5
10
μA
Sense Voltage for Minimum
Discontinuous Mode Ripple
Current
Cycle-by-Cycle Current-Limit
Sense Voltage
7.5
97
mV
mV
Sense Voltage for Battery
Undervoltage Charge Current
Battery Undervoltage Threshold
MAX1909 only, BATT = 3.0V per cell
MAX1909 only, MODE = float (3 cell),
V BATT rising
3
9.18
4.5
6
9.42
mV
V
MAX1909 only, MODE = LDO (4 cell),
V BATT rising
12.235
12.565
DHIV Output Voltage
With respect to SRC
-4.5
-5.0
-5.5
V
4
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