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MAX8847Z डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - High-Performance Negative Charge Pump for 6 White LEDs - Maxim Integrated Products

भाग संख्या MAX8847Z
समारोह High-Performance Negative Charge Pump for 6 White LEDs
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX8847Z?> डेटा पत्रक पीडीएफ

MAX8847Z pdf
MAX8847Y/MAX8847Z
High-Performance Negative Charge Pump
for 6 White LEDs in 3mm x 3mm Thin QFN
ABSOLUTE MAXIMUM RATINGS
IN to GND..............................................................-0.3V to +6.0V
IN to NEG..............................................................-0.3V to +6.0V
NEG, C2N to GND...................................................-6V to +0.3V
C1P, C2P, CPWM, ENA, ENB to GND........-0.3V to (VIN + 0.3V)
C2P to C1N.................................................-0.3V to (VIN + 0.3V)
LED_, C1N, C2N, ENA, ENB to NEG..........-0.3V to (VIN + 0.3V)
Continuous Power Dissipation (TA = +70°C)
16-Pin Thin QFN Multilayer PCB
(derate 20.8mW/°C above +70°C)..........................1666.7mW
Junction-to-Case Thermal Resistance (θJC) (Note 1)......10°C/W
Junction-to-Ambient Thermal Resistance (θJA) (Note 1)
Multilayer PCB...............................................................48°C/W
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
Soldering Temperature (reflow).......................................+260°C
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-lay-
er board. For detailed information on package thermal considerations, refer to www.maximintegrated.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
(VIN = 3.6V, VGND = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
IN Operating Voltage
Undervoltage Lockout (UVLO)
Threshold
VIN rising
CONDITIONS
MIN
2.7
2.35
TYP
2.45
MAX
5.5
2.55
Undervoltage Lockout
Hysteresis
IN Shutdown Supply Current
IN Operating Supply Current
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
PWM DIMMING CONTROL
PWM Low-Level Input
PWM High-Level Input
EN_ PWM Input Signal
Frequency Range
VEN_ = 0V, all outputs off
TA = +25NC
TA = +85NC
Charge pump inactive, 2 LEDs enabled at 0.1mA setting
Charge pump active, 1MHz switching, all LEDs enabled
at 0.1mA setting
CCPWM = 0.22FF
1.4
0.2
100
0.4
0.4
120
1.6
+160
20
2.5
150
0.4
200
PWM Dimming Filter Corner
Frequency
CCPWM = 0.22FF
Current Dimming Range
Duty cycle = 0 to 100%
PWM Dimming Resolution
1% P duty cycle P 100%
SERIAL-PULSE LOGIC (MAX8847Y LED5 and LED6 only)
EN_ Logic Input High Voltage
EN_ Logic Input Low Voltage
EN_ Logic-Input Current
VIL = 0V or VIH = 5.5V
TA = +25NC
TA = +85NC
2
0 24
0.24
1.4
0.4
-1 0.01 +1
0.1
UNITS
V
V
mV
FA
FA
mA
NC
NC
V
V
kHz
Hz
mA
mA/%
V
V
FA
2   Maxim Integrated

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डाउनलोड[ MAX8847Z Datasheet.PDF ]


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MAX8847YHigh-Performance Negative Charge Pump for 6 White LEDsMaxim Integrated Products
Maxim Integrated Products
MAX8847ZHigh-Performance Negative Charge Pump for 6 White LEDsMaxim Integrated Products
Maxim Integrated Products


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