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MAX1758 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Stand-Alone / Switch-Mode Li Battery Charger with Internal 28V Switch - Maxim

भाग संख्या MAX1758
समारोह Stand-Alone / Switch-Mode Li Battery Charger with Internal 28V Switch
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
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<?=MAX1758?> डेटा पत्रक पीडीएफ

MAX1758 pdf
MAX1758
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 28V Switch
ABSOLUTE MAXIMUM RATINGS
DCIN, CSSP, CSSN, HSD to GND..........................-0.3V to +30V
CSSP to CSSN.......................................................-0.6V to +0.6V
BST to GND ............................................................-0.3V to +36V
BST to LX..................................................................-0.3V to +6V
LX to PGND ..............................................-0.6V to (VHSD + 0.3V)
VL, SHDN, ISETIN, ISETOUT, REF, VADJ, CELL, TIMER1,
TIMER2, CCI, CCS, CCV, THM to GND ................-0.3V to +6V
FASTCHG, FULLCHG, FAULT to GND ..................-0.3V to +30V
BATT, CS to GND ...................................................-0.3V to +20V
CS to BATT Current ............................................................±3.5A
PGND to GND .......................................................-0.3V to +0.3V
VL Source Current...............................................................50mA
Continuous Power Dissipation (TA = +70°C)
28-Pin SSOP (derate 9.5mW/°C above +70°C) ...........762mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature.........................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VDCIN = VHSD = VCSSP = VCSSN = 18V, V SHDN = VVL, VCELL = GND, VBATT = VCS = 4.2V, VVADJ = VREF / 2,
VISETIN = VISETOUT = VREF, RTHM = 10kΩ, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SUPPLY AND REFERENCE
DCIN Input Voltage Range
DCIN Quiescent Supply Current
DCIN to BATT Dropout
Threshold, DCIN Falling
SYMBOL
CONDITIONS
6V < VDCIN < 28V
Falling edge
MIN TYP MAX UNITS
6
0.075
5
0.125
28
7
0.175
V
mA
V
DCIN to BATT Dropout
Threshold, DCIN Rising
VL Output Voltage
VL Output Load Regulation
REF Output Voltage
REF Line Regulation
REF Load Regulation
SWITCHING REGULATOR
PWM Oscillator Frequency
LX Maximum Duty Cycle
CSSN/CSSP Off-State Leakage
HSD Off-State Leakage
LX Off-State Leakage
HSD to LX On-Resistance
LX to PGND On-Resistance
CS to BATT Current-Sensing
Resistance
VREF
Rising edge
6V < VDCIN < 28V
IVL = 0 to 15mA
6V < VDCIN < 28V
6V < VDCIN < 28V
IREF = 0 to 1mA
0.20
5.10
4.179
0.30
5.40
44
4.20
2
6
0.40
5.70
65
4.221
6
14
V
V
mV
V
mV
mV
fOSC Nondropout fOSC
270 300 330 kHz
In-dropout, fOSC / 4
97 98
%
VCSSN = VCSSP = VDCIN = 28V, V SHDN = GND
2 10 µA
VLX = PGND, VHSD = VDCIN = 28V,
V SHDN = GND
0.1 10 µA
VLX = VHSD = VDCIN =28V, V SHDN = GND
VBST = VLX + 4.5V
See PWM Controller section
0.1 10 µA
260 450 mΩ
1 2Ω
RCS
Internal resistor between CS and BATT,
1.5A RMS operating
110 170 mΩ
BATT, CS Input Current
V SHDN = GND, VBATT = 19V
CELL = REF, VBATT = 15V, any charging state
VBATT = 18V, done state
0.1 5 µA
280 540 µA
150 270 µA
2 Maxim Integrated

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डाउनलोड[ MAX1758 Datasheet.PDF ]


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