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MAX8819A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - PMIC - Maxim Integrated Products

भाग संख्या MAX8819A
समारोह PMIC
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX8819A?> डेटा पत्रक पीडीएफ

MAX8819A pdf
www.DataSheet4U.com
PMIC with Integrated Chargers and Smart
Power Selector in a 4mm x 4mm TQFN
ABSOLUTE MAXIMUM RATINGS
DC, SYS, BAT, CISET, DLIM1, DLIM2, EN123
CEN, EN4, CHG, RST1, FB1, FB2, FB3 to GND....-0.3V to +6V
PV2 to GND ...............................................-0.3V to (VSYS + 0.3V)
PV13 to SYS...........................................................-0.3V to +0.3V
PG1, PG2, PG3, PG4 to GND................................-0.3V to +0.3V
COMP4, FB4 to GND ................................-0.3V to (VSYS + 0.3V)
LX4 to PG4 .............................................................-0.3V to +33V
OVP4 to GND .........................................................-0.3V to +33V
LX1, LX2, LX3 Continuous Current (Note 1) .........................1.5A
LX4 Current ................................................................750mARMS
Output Short-Circuit Duration.....................................Continuous
Continuous Power Dissipation (TA = +70°C)
28-Pin Thin QFN Single-Layer Board (derate 20.8mW/°C
above +70°C)...........................................................1666.7mW
28-Pin Thin QFN Multilayer Board (derate 28.6mW/°C
above +70°C)...........................................................2285.7mW
Junction-to-Case Thermal Resistance (θJC) (Note 2)
28-Lead Thin QFN...........................................................3°C/W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature........................................-40°C to +125°C
Storage Temperature.........................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1: LX1, LX2, LX3 have clamp diodes to their respective PG_ and PV_. Applications that forward bias these diodes must take
care not to exceed the package power dissipation limits.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to http://www.maxim-ic.com/thermal-tutorial.
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
(DC, LX_ unconnected; VEP = VGND = 0V, VBAT = 4V, DLIM[1:2] = 00, EN123 = EN4 = low, VFB1 = VFB2 = VFB3 = 1.1V, VFB4 = 0.6V,
PV13 = PV2 = SYS, TA = -40°C to +85°C, capacitors as shown in Figure 1, RCISET = 3k, unless otherwise noted.) (Note 3)
PARAMETER
DC POWER INPUT
DC Voltage Range
SYS Regulation Voltage
DC Undervoltage Threshold
DC Overvoltage Threshold
DC Current Limit
(Note 4)
DC Quiescent Current
DC-to-SYS Dropout Resistance
DC-to-SYS Soft-Start Time
DC Thermal-Limit Temperature
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
VDC
VSYS_REG VDC = 5.75V
MAX8819A/MAX8819C
MAX8819B
VUVLO_DC
VOVLO_DC
IDCLIM
VDC rising, 500mV typical hysteresis
VDC rising, 300mV typical hysteresis
VDC = 5.75V, VSYS = 5V
for MAX8819B or VSYS =
4V for MAX8819A/
MAX8819C
DLIM[1:2] = 10
DLIM[1:2] = 01
DLIM[1:2] = 00
DLIM[1:2] = 11 (suspend)
IDCIQ
DLIM[1:2] 11, ISYS = 0mA, IBAT = 0mA,
EN123 = low, EN4 = low, CEN = high,
VDC = 5.5V
DLIM[1:2] 11, ISYS = 0mA, EN123 = low,
EN4 = low, CEN = low, VDC = 5.5V
RDS
tSS-D-S
VDC = 4V, ISYS = 400mA, DLIM[1:2] = 01
Die temperature where current limit is
reduced
4.1
4.3
5.1
3.95
5.811
90
450
900
4.35
5.3
4.00
5.9
95
475
1000
0.02
1.33
0.95
0.330
1.5
100
5.5
4.4
5.5
4.05
6.000
100
500
1100
0.035
0.700
V
V
V
V
mA
mA
ms
°C
DC Thermal-Limit Gain
SYSTEM
System Operating Voltage Range
Amount of input current reduction above
thermal-limit temperature
VSYS
5 %/°C
2.6 5.5 V
2 _______________________________________________________________________________________

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डाउनलोड[ MAX8819A Datasheet.PDF ]


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