参数资料
型号: MAX8725ETI+
厂商: Maxim Integrated Products
文件页数: 8/30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 = -40°C to +85°C , unless otherwise noted.)
PARAMETER
LDO Undervoltage-Lockout Trip
Point
SYMBOL
V DCIN = 8.0V
CONDITIONS
MIN
3.20
TYP
MAX
5.15
UNITS
V
REFERENCE
REF Output Voltage
REF Undervoltage-Lockout Trip
Point
Ref
0 < I REF < 500μA
REF falling
4.1960
4.2520
3.9
V
V
TRIP POINTS
BATT POWER_FAIL Threshold
BATT POWER_FAIL Threshold
Hysteresis
ACIN Threshold
ACIN Threshold Hysteresis
V DCIN - V BATT , V DCIN falling
ACIN rising
50
100
2.007
10
150
300
2.089
30
mV
mV
V
mV
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
440
350
ns
ns
DLOV Supply Current
I DLOV
DLO low
10
μA
Sense Voltage for Battery
Undervoltage Charge Current
Battery Undervoltage Threshold
DHIV Output Voltage
DHIV Sink Current
DHI On-Resistance Low
DHI On-Resistance High
DLO On-Resistance High
DLO On-Resistance Low
MAX1909 only, BATT = 3.0V per cell
MAX1909 only, MODE = float (3 cell),
V BATT rising
MAX1909 only, MODE = LDO (4 cell),
V BATT rising
With respect to SRC
DHI = V DHIV , I DHI = -10mA
DHI = V CSSN , I DHI = 10mA
V DLOV = 4.5V, I DLO = +100mA
V DLOV = 4.5V, IDLO = -100mA
3
9.18
12.235
-4.5
10
6
9.42
12.565
-5.5
5
4
7
3
mV
V
V
mA
Ω
Ω
Ω
Ω
ERROR AMPLIFIERS
GMV Loop Transconductance
GMI Loop Transconductance
GMS Loop Transconductance
CCI/CCS/CCV Clamp Voltage
VCTL = 3.6, V BATT = 16.8V, MODE = LDO
VCTL = 3.6, V BATT = 12.6V, MODE = FLOAT
MAX1909: ICTL = 3.6V, MAX8725: V ICTL =
3.2V, V CSSP - V CSIN = 75mV
VCLS = 2.048V, V CSSP - V CSSN = 75mV
0.25V < V CCV < 2.0V, 0.25V < V CCI < 2.0V,
0.25V < V CCS < 2.0V
0.0625
0.0833
0.5
0.5
150
0.2500
0.3330
2.0
2.0
600
mA/V
mA/V
mA/V
mV
LOGIC LEVELS
MODE Input Low Voltage
0.8
V
MODE Input Middle Voltage
1.6
2.0
V
8
_______________________________________________________________________________________
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