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参数资料
| 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： | 11/17页 |
| 文件大小： | 218K |
| 代理商： | MAX1757EAI+T |
MAX1757
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 14V Switch
_______________________________________________________________________________________
3
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 = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
VADJ = GND
Instantaneous peak current limit
With 1% VADJ resistors
Not including VADJ resistor tolerances
CELL = float, GND, or REF
CONDITIONS
3.948
3.979
4.010
BATT Regulation Voltage
Adjustment Range
-1
1
Absolute Voltage Accuracy
%
-0.8
0.8
V/cell
4.167
4.2
4.233
VBATTR
Battery Regulation Voltage
V
014
BATT, CS Input Voltage Range
A
2.4
2.7
3.0
CS to BATT Hard Current Limit
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
VADJ = REF
V/cell
4.386
4.421
4.453
VCCV = 2V
mS
×
cells
0.4
0.7
1.0
CCV Amplifier
Transconductance
VCCV = 2V
A
±50
CCV Amplifier Maximum Output
Current
A
1.35
1.5
1.65
BATT Full-Scale Charge Current
VISETOUT = VREF/10
mA
100
150
200
BATT 1/10-Scale Charge
Current (Note 1)
VBATT < 2.4V per cell
mA
100
150
200
BATT Charge Current in
Prequalification State
VCCI = 2V
A/A
60
130
240
CCI Battery Current Sense Gain
VCCI = 2V
A
±100
CCI Amplifier Maximum Output
Current
mV
90
100
115
CSSP to CSSN Full-Scale
Current-Sense Voltage
VISETIN = VREF/10
mV
510
15
CSSP to CSSN 1/10-Scale
Current-Sense Voltage
VCCS = 2V
mS
1.0
2.0
3.0
CCS Amplifier Transconductance
VCCS = 2V
A
±100
CCS Amplifier Maximum Output
Current
THM low-temp or high-temp current
V
1.386
1.40
1.414
VTRT
THM Trip Threshold Voltage
VTHM = 1.4V
A
46.2
49
51.5
ITLTC
THM Low-Temp Current
VTHM = 1.4V
A
344
353
362
ITHTC
THM High-Temp Current
Combines THM low-temp current and THM
threshold, VTRT / ITLTC
k
26.92
28.70
30.59
THM COLD Threshold
Resistance (Note 2)
Combines THM high-temp current and THM
threshold, VTRT / ITHTC
k
3.819
3.964
4.115
THM HOT Threshold Resistance
(Note 2)
mV
25
200
CCI, CCS Clamp Voltage with
Respect to CCV
mV
25
200
CCV Clamp Voltage with
Respect to CCI, CCS
SWITCHING REGULATOR
ERROR AMPLIFIERS
STATE MACHINE
VOLTAGE LIMIT ACCURACY
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