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MAX8815A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Step-Up Converter - Maxim Integrated Products

भाग संख्या MAX8815A
समारोह Step-Up Converter
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX8815A?> डेटा पत्रक पीडीएफ

MAX8815A pdf
1A, 97% Efficiency, 30µA Quiescent Current
Step-Up Converter with True Shutdown
www.daAtasBheSetO4uL.cUomTE MAXIMUM RATINGS
OUTS, BATT to GND ................................................-0.3V to +6V
POUT to OUTS ......................................................-0.3V to +0.3V
PGND (EP) to AGND .............................................-0.3V to +0.3V
FB to GND ................................................-0.3V to (VOUT + 0.3V)
ON, SKIPB to GND ............-0.3V to the higher of (VOUTS + 0.3V)
and (VBATT + 0.3V)
LX Continuous Current (Note 1)..........................................2.75A
Continuous Power Dissipation (TA = +70°C)
10-Pin TDFN Single-Layer Board (derate 18.5 mW/°C
above +70°C)...........................................................1481.5mW
10-Pin TDFN Multilayer Board (derate 24.4 mW/°C
above +70°C)...........................................................1951.2mW
Junction-to-Case Thermal Resistance (θJC) (Note 2)
10-Pin TDFN .................................................................8.5°C/W
Junction-to-Ambient Thermal Resistance (θJA) (Note 2)
10-Pin TDFN ..................................................................41°C/W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +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.
Note 1: LX has internal clamp diodes to PGND (EP) and VPWR, where VPWR is the internal power node and is the higher of BATT
and OUTS. Applications that forward bias these diodes should take care not to exceed the power-dissipation limits of the
device.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a 4-layer
board. For detailed information on package thermal considerations, visit www.maxim-ic.com/thermal-tutorial.
ELECTRICAL CHARACTERISTICS
(VOUTS = VPOUT = 5V, VON = VBATT = 3.6V, VSKIPB = GND, TA = -40°C to +85°C, typical values are at TA = +25°C, unless otherwise
noted. Limits are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design and
characterization.)
PARAMETER
GENERAL
Operating Input Voltage Range
Minimum Startup Voltage
Shutdown Supply Current
Supply Current
OSCILLATOR
Switching Frequency
Maximum Duty Cycle
Output-Voltage Adjust Range
FB Regulation Voltage
FB Load Regulation
FB Line Regulation
FB Input Leakage Current
Idle Mode™ Trip Level
CONDITIONS
ON = GND
TA = +25°C
TA = +85°C
No load, no switching, VFB = 1.28V
No load, switching (measured with external feedback);
VPOUT = 5V
No load, TA = +25°C
No load, TA = -40°C to +85°C (Note 3)
VBATT = 1.8V to 5V, IPOUT = 0.5A
VFB = 1.28V, VOUTS =
VPOUT = VBATT = 5.5V
TA =+25°C
TA = +85°C
(Note 4)
MIN TYP MAX UNITS
1.2 5.5
1.2 1.5
0.1 1
0.2
16 30
30
V
V
µA
µA
1.8
3.3
1.255
1.252
-50
2.0
87.5
1.265
1.265
-7.5
-10
-5
-5
90
2.2
5.0
1.275
1.277
+50
MHz
%
V
V
mV/A
mV/D
nA
mA
Idle Mode is a trademark of Maxim Integrated Products, Inc.
2 _______________________________________________________________________________________

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