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| 型号： | MAX1757EAI+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch |
| 中文描述： | BATTERY CHARGE CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | 5.30 MM, 0.65 MM PITCH, SSOP-28 |
| 文件页数： | 14/17页 |
| 文件大小： | 218K |
| 代理商： | MAX1757EAI+T |
MAX1757
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 14V Switch
6
_______________________________________________________________________________________
Note 1: When VISETOUT = 0, battery charger turns off.
Note 2: See Thermistor section.
Note 3: Below this threshold, charger reverts to a prequalification mode with IBATT reduced to 10% of full scale.
Note 4: Above this threshold, charger is disabled.
Note 5: After full-charge state is complete and BATT current falls below this threshold, FULLCHG output switches high. Battery
charging continues until top-off timeout occurs. See Table 1.
Note 6: After charging is complete, when BATT voltage falls below this threshold, a new charging cycle is initiated.
Note 7: Specifications to -40°C are guaranteed by design, not production tested.
CONDITIONS
Hz
0.93
1.37
Temperature Measurement
Frequency
mA
250
400
FULLCHG BATT Current
Termination Threshold (Note 5)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
1.4
VIH
SHDN Input Voltage High
V
0.6
VIL
SHDN Input Voltage Low
CONTROL INPUTS/OUTPUTS
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VDCIN = VHSD = VCSSP = VCSSN = 12V, V SHDN = VVL, VCELL = GND, VBATT = VCS = 4.2V, VVADJ = VREF/2,
VISETIN = VISETOUT = VREF, RTHM = 10k
, TA = -40°C to +85°C, unless otherwise noted.) (Note 7)
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