参数资料
型号: MAX8730ETI+T
厂商: Maxim Integrated Products
文件页数: 4/29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 = 0°C to +85°C , unless otherwise noted. Typical values are at
T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Normal mode
V INPON =V REFON = low
4
10
6
20
mA
SRC Quiescent Current
(INPON/REFON = Don’t Care)
V SRC = V BATT =
12V, ASNS =
GND (Note 2)
V INPON = low,
V REFON = high
V INPON = high,
V REFON = low
300
300
600
600
μA
V INPON = V REFON = high
350
600
BATT Input Current
V BATT = 16.8V, V SRC = 19V, ICTL = 0
V BATT = 2V to 19V, V SRC > V BATT + 0.3V
I CSIP + I CSIN + I BATT , ASNS = GND
8
300
2
16
600
5
μA
Battery-Leakage Current
LDO Output Voltage
LDO Load Regulation
LDO Undervoltage Lockout
Threshold
I CSIP + I CSIN + I BATT +
I CSSP + I CSSN + I SRC ,
ASNS = REFON = GND
8.0V < V SRC < 28V, no load
0 < ILDO < 10mA
V SRC = 8.0V
V REFON = 5.4V
INPON = GND
5.2
300
2
5.35
20
4
600
5
5.5
50
μA
V
mV
V
REFERENCES
REF Output Voltage
REF Undervoltage Lockout
Threshold
Ref
REF falling
4.18
4.20
3.1
4.22
3.9
V
V
SWREF Output Voltage
SWREF Load Regulation
8.0V < VSRC < 28V, no load
0.1mA < I SWREF < 20mA
3.234
3.3
20
3.366
50
V
mV
TRIP POINTS
ACIN Threshold
ACIN rising
2.037
2.1
2.163
V
ACIN Threshold Hysteresis
60
mV
ACIN Input Bias Current
V ACIN = 2.048V
-1
+1
μA
SWITCHING REGULATOR
DHI Off-Time
DHI Off-Time K Factor
V BATT = 16.0V
V BATT = 16.0V
300
4.8
350
5.6
400
6.4
ns
V x μs
Sense Voltage for Minimum
Discontinuous Mode Ripple
V CSIP - V CSIN
7
mV
Current
Cycle-by-Cycle Current-Limit
Sense Voltage
160
200
240
mV
Charge Disable Threshold
DHIV Output Voltage
V SRC - V BATT , SRC falling
With respect to SRC
40
-4.3
60
-4.8
80
-5.5
mV
V
DHIV Sink Current
10
mA
4
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