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MAX8784 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Switch Control and Operational Amplifier - Maxim Integrated

भाग संख्या MAX8784
समारोह Switch Control and Operational Amplifier
मैन्युफैक्चरर्स Maxim Integrated 
लोगो Maxim Integrated लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX8784?> डेटा पत्रक पीडीएफ

MAX8784 pdf
Step-Up Regulator, Internal Charge Pumps, Switch
Control, and Operational Amplifier for TFT LCDs
ABSOLUTE MAXIMUM RATINGS
VCC, CTL, HVS, SHDN, ADEL, GDEL to AGND ....-0.3V to +7.5V
REF, COMP, FB, FBN, FBP to AGND .........-0.3V to (VCC + 0.3V)
POS1, NEG1, POS2, NEG2, POS3, OUT1, OUT2,
OUT3 to AGND .......................................-0.3V to (VSUP + 0.3)
PGND, BGND to AGND.........................................-0.3V to +0.3V
LX, RSET to PGND .................................................-0.3V to +22V
SUP to AGND .........................................................-0.3V to +22V
DRVN to AGND.........................................-0.3V to (VSUP + 0.3V)
C1N, C2N to AGND ..................................-0.3V to (VSUP + 0.3V)
C1P to AGND .........................................................-0.3V to +30V
POUT to C2P, C1P to C2P......................................-0.3V to +22V
C2P, POUT to AGND..............................................-0.3V to +40V
DRN to GON............................................................-30V to +30V
REF Short Circuit to AGND.........................................Continuous
RMS VCC Current ................................................................50mA
RMS DRVN Current...........................................................400mA
LX, PGND RMS Current Rating.............................................2.4A
Continuous Power Dissipation (TA = +70°C)
40-Pin TQFN (derate 35.7mW/°C above +70°C) .......2857mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
GON, DRN to AGND ..............................................-0.3V to +40V
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
(VCC = +5V, Circuit of Figure 1, AVDD = SUP = +14V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
VCC Input Supply Range
VCC Undervoltage Lockout Threshold
VCC Quiescent Current
SHDN Input Low Voltage
SHDN Input High Voltage
SHDN Input Current
REFERENCE
REF Output Voltage
REF Load Regulation
REF Sink Current
REF Undervoltage Lockout Threshold
OSCILLATOR AND TIMING
Frequency
Oscillator Maximum Duty Cycle
Duration to Trigger Fault Condition
ADEL, GDEL Capacitor Charge Current
ADEL, GDEL Turn-On Threshold
STEP-UP REGULATOR
FB Regulation Voltage
FB Fault-Trip Level
FB Load Regulation
FB Line Regulation
FB Input Bias Current
CONDITIONS
VCC rising, typical hysteresis = 50mV
VFB = 1.3V, not switching
VFB = 1.1V, switching, no load, VSUP disconnected,
VFBP = VCC, VFBN = 0V
SHDN = GND
No external load
0 < ILOAD < 50µA
In regulation
Rising edge, typical hysteresis = 200mV
FB = COMP, CCOMP = 1nF
FB = COMP, CCOMP = 1nF, +25°C to +85°C
Falling edge
0 < ILOAD < full
VCC = 4.5V to 5.5V
VFB = 1.25V
MIN
4.0
2.4
1.8
-1
1.238
10
1000
87
47
4
1.235
1.238
0.96
TYP
2.6
1.0
4
1.250
1.0
1200
90
55
5
1.25
1.246
1.246
1.00
-1
0.25
100
MAX
5.5
2.8
6
0.05
0.8
+1
1.262
10
1.15
1400
93
65
6
1.32
1.256
1.256
1.04
200
UNITS
V
V
mA
V
V
µA
V
mV
µA
V
kHz
%
ms
µA
V
V
V
%
%/V
nA
2 _______________________________________________________________________________________

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डाउनलोड[ MAX8784 Datasheet.PDF ]


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