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MAX17122 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Boost-Buck Regulator - Maxim Integrated Products

भाग संख्या MAX17122
समारोह Boost-Buck Regulator
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX17122?> डेटा पत्रक पीडीएफ

MAX17122 pdf
Step-Up, Step-Down Regulator, Gate-On Charge Pump,
and Boost-Buck Regulator for TV TFT LCD Display
ABSOLUTE MAXIMUM RATINGS
IN, IN2, IN3, EN1, EN2, LX1, GATE,
DRVP, RHVS to AGND ......................................-0.3V to +22V
GATE to IN ...........................................................-6.5V to +0.3V
GND1 to AGND ................................................................. Q0.3V
DLY1, DLY2, DEL, VL, RESET, GPGD,
HVS to AGND ......................................................-0.3V to +6V
FBP, FBN, FB1, FB2, FB3, COMP1, COMP3, OUTB
SET, NTC, SS to AGND ......................... -0.3V to (VVL + 0.3V)
DRVN to VL ...........................................................-36V to +0.3V
LX2 to GND1 ............................................ -0.3V to (VIN2 + 0.3V)
LX3 to IN3..............................................................-36V to +0.3V
BST2 to VL.............................................................-0.3V to +22V
BST2 to LX2.............................................................-0.3V to +6V
RMS LX1, GND1, IN2, IN3, LX3 Current (each pin) ............1.6A
RMS LX2 (total for both pins)...............................................2.4A
RMS VL, DRVN, DRVP Current ..........................................50mA
Continuous Power Dissipation (TA = +70NC)
40-Pin Thin QFN
(derate 35.7mW/NC above +70NC) .........................2857.1mW
Operating Temperature Range .......................... -40NC to +85NC
Junction Temperature .....................................................+160NC
Storage Temperature Range............................ -65NC to +165NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
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
(Circuit of Figure 1, VIN = VIN2 = VIN3 = 12V, TA = 0°C to +85°C. Typical values are at TA = +25NC, unless otherwise noted.)
PARAMETER
GENERAL
IN, IN2, IN3
Input-Voltage Range
CONDITIONS
MIN TYP MAX UNITS
8
16.5
V
IN + IN2 + IN3
Quiescent Current
IN + IN2 + IN3
Shutdown Current
SMPS Operating Frequency
Phase Difference Between
Regulators
IN Undervoltage-Lockout
Threshold
VL REGULATOR
VL Output Voltage
VL Undervoltage-Lockout
Threshold
STEP-DOWN REGULATOR
OUTB Voltage in Fixed Mode
FB2 Voltage in Adjustable Mode
FB2 Adjustable-Mode
Threshold Voltage
Only LX2 and LX3 switching (VFB1 = VFBP = 1.5V, VFB2 =
1.1V, VFB3 = 1.8V, VFBN = 1.5V); VEN1 = VEN2 = 5V
LX2 and LX3 not switching (VFB1 = VFB2 = VFBP = 1.5V,
VFBN = 1.5V, VFB3 = 0); VEN1 = VEN2 = 5V
EN1 = EN2 = AGND (shutdown)
Step-down and boost-buck
Step-down and step-up
638
VIN rising, 2.5% hysteresis
6
IVL = 10mA, VFB1 = VFB2 = VFBP = 1.1V, VFBN = 0.75V,
VFB3 = 1.8V (all regulators switching)
VL rising, 2.5% hysteresis
4.9
3.6
FB2 = AGND, no load (Note 1)
VOUTB = 3.3V, no load (Note 1)
Dual-mode comparator
TA = +25NC
0NC < TA < +85NC
TA = +25NC
0NC < TA < +85NC
3.267
3.25
1.2375
1.23
0.10
10 15
mA
24
0.55 1
mA
750 862
kHz
180
180
Degrees
78
V
5.0 5.1
4.0 4.4
V
V
3.300
1.250
3.333
3.35
1.2625
1.27
0.15 0.20
V
V
V
2 ______________________________________________________________________________________

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डाउनलोड[ MAX17122 Datasheet.PDF ]


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