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MAX8844Y डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 28V Dual Input Linear Li+ Battery Chargers - Maxim Integrated Products

भाग संख्या MAX8844Y
समारोह 28V Dual Input Linear Li+ Battery Chargers
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX8844Y?> डेटा पत्रक पीडीएफ

MAX8844Y pdf
MAX8844Z/MAX8844Y
28V Dual Input Linear Li+ Battery Chargers with
Battery Detection and Overvoltage-Protected Output
Absolute Maximum Ratings
IN, USB to GND.....................................................-0.3V to +30V
ABI, BATT, EN, POK, ABO, ABO, CHG, DETBAT, SETI,
MIN, SAFEOUT,
SAFEUSB to GND................................................-0.3V to +6V
IN to BATT Continuous Current........................................1ARMS
Continuous Power Dissipation (TA = +70°C)
14-TDFN (derate 24.4mW/°C above 70°C)
(multilayer PCB)......................................................1951.2mW
BATT Short-Circuit Duration.......................................Continuous
Operating Temperature Range............................ -40°C to +85°C
Junction Temperature.......................................................+150°C
Storage Temperature Range............................. -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
(VIN = 5V or VUSB = 5V, VBATT = 4V, RPOK = 1MΩ to BATT, EN = unconnected, RSETI = 2.8kΩ to GND, VDETBAT = 0V, CBATT = 2.2μF,
TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
IN, USB
Input Supply Voltage Range
Input Supply Operating Voltage
Range
Overvoltage Lockout Trip
Threshold
Input Current
BATT, CHG, POK
Minimum BATT Bypass
Capacitance
VBATT Prequalification Threshold
Voltage
Battery Regulation Voltage
Regulator Dropout Voltage (VIN -
VBATT )
BATT Input Current
(Note 2)
Current-Sense Amplifier Gain
(IBATT to ISETI)
CONDITIONS
VIN rising, 100mV hysteresis (typ)
Constant current charging
IIN - IBATT, IBATT = 0A
Constant current charging
IIN - IBATT, IBATT = 500mA
IC disabled, VEN = 5V
VIN = 4V,
VBATT = 4.2V
TA = +25°C
TA = +85°C
VBATT rising, 100mV hysteresis (typ)
IBATT = 0A
TA = 0°C to +85°C
TA = -40°C to +85°C
VBATT = 4.1V, IBATT = 425mA
VIN = 0 to 4V,
VBATT = 4.2V
IC disabled
IBATT = 500mA
TA = 0°C to +85°C
TA = -40°C to +85°C
MIN TYP MAX UNITS
0
4.25
28
7.00
7.0 7.5 8.0
0.25 0.50
1
0.23
0.02
0.03
0.50
V
V
V
mA
2.2 µF
2.3 2.5 2.7
4.175
4.158
4.200
4.200
4.225
4.242
260
V
V
mV
5 10
µA
3
1120
1120
µA/A
www.maximintegrated.com
Maxim Integrated 2

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डाउनलोड[ MAX8844Y Datasheet.PDF ]


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अनुशंसा डेटापत्रक

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