参数资料
型号: MAX8730ETI+T
厂商: Maxim Integrated Products
文件页数: 8/29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
REFERENCES
REF Output Voltage
REF Undervoltage Lockout
Threshold
SWREF Output Voltage
SWREF Load Regulation
Ref
0 < IREF < 500μA
REF falling
8.0V < VSRC < 28V, no load
0.1mA < ISWREF < 20mA
4.16
3.224
4.24
3.9
3.376
50
V
V
V
mV
TRIP POINTS
ACIN Threshold
ACIN rising
2.037
2.163
V
SWITCHING REGULATOR
DHI Off-Time
DHI Off-Time K Factor
Cycle-by-Cycle Current-Limit
Sense Voltage
DHIV Output Volatge
DHIV Sink Current
DHI Resistance Low
DHI Resistance High
V BATT = 16.0V
V BATT = 16.0V
With respect to SRC
I DHI = -10mA
I DHI = 10mA
300
4.8
160
-4.3
10
400
6.4
240
-5.5
4
2
ns
V x μs
mV
V
mA
?
?
ERROR AMPLIFIERS
GMV Loop Transconductance
GMI Loop Transconductance
GMS Loop Transconductance
CCI/CCS/CCV Clamp Voltage
VCTL = 3.6V, V BATT = 16.8V, MODE = LDO
VCTL = 3.6V, V BATT = 12.6V, MODE = FLOAT
ICTL = 3.6V, V CSSP - V CSIN = 75mV
V CLS = 2.048V, V CSSP - V CSSN = 75mV
1.1V < V CCV < 3.0V, 1.1V < V CCI < 3.0V,
1.1V < V CCS < 3.0V
0.0625
0.0833
0.5
0.5
150
0.250
0.333
2
2
600
mA/V
mA/V
mA/V
mV
LOGIC LEVELS
MODE, REFON Input Low Voltage
0.5
V
MODE Input Middle Voltage
MODE, REFON Input High Voltage
1.9
3.4
3.3
V
V
INPON Threshold
V INPON rising
V INPON falling
2.2
0.8
V
ADAPTER DETECTION
ACOK Voltage Range
0
28
V
ACOK Sink Current
V ACOK = 0.4V, ACIN = 1.5V
1
mA
8
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