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MAX1508 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX1508
Description  Linear Li Battery Charger with Integrated Pass FET, Thermal Regulation, and ACOKin 3mm x 3mm TDFN
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1508 Datasheet(HTML) 2 Page - Maxim Integrated Products

 
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Linear Li+ Battery Charger with Integrated Pass FET,
Thermal Regulation, and ACOK in 3mm x 3mm TDFN
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VIN = 5V, VBATT = 4.0V, ACOK = EN = CHG = unconnected (for the MAX1508 and MAX1508Z), EN = VL (for the MAX1508Y), RISET
= 2.8k
Ω to GND, CVL = 0.47µF, BATT bypassed to GND with 1µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at
TA = +25°C.) (Note 1)
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.
IN, CHG to GND .....................................................-0.3V to +14V
VL, BATT, ISET, EN, EN, ACOK to GND ..................-0.3V to +6V
VL to IN...................................................................-14V to +0.3V
IN to BATT Continuous Current.............................................0.9A
Continuous Power Dissipation (TA = +70°C)
8-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
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
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
013
V
Input Operating Range
4.25
6.50
V
VIN - VBATT, VIN rising
20
40
60
ACOK Trip Point, IN
VIN - VBATT, VIN falling
15
30
45
mV
VIN rising
6.5
7
7.5
Overvoltage Lockout Trip Point
VIN hysteresis
0.11
V
Charging (IIN - IBATT)1
2
Disabled, EN = VL (MAX1508/MAX1508Z),
EN = GND (MAX1508Y)
0.8
1.5
IN Input Current
OFF state (VIN = VBATT = 4.0V)
0.065
mA
VL Output Voltage
IVL = 100µA
3.3
V
VL Load Regulation
IVL = 100µA to 2mA
-71
-200
mV
VL Temperature Coefficient
IVL = 100µA
-2
mV/°C
VIN rising
2.95
VL Undervoltage Lockout Trip Point
Hysteresis
0.17
V
VIN = 0 to 4V
3
10
BATT Input Current
EN = VL (MAX1508/MAX1508Z), EN = GND
(MAX1508Y)
410
µA
Maximum RMS Charge Current
0.8
A
TA = 0°C to +85°C
4.162
4.2
4.238
Battery Regulation Voltage
IBATT = 0
TA = -40°C to +85°C
4.150
4.2
4.250
V
BATT Removal Detection Threshold
VBATT rising
4.4
4.67
4.9
V


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