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MAX1771 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Step-Up DC-DC Controller - Maxim

भाग संख्या MAX1771
समारोह Step-Up DC-DC Controller
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX1771?> डेटा पत्रक पीडीएफ

MAX1771 pdf
MAX1771
12V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Controller
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
V+ to GND ...............................................................-0.3V, 17V
EXT, CS, REF, SHDN, FB to GND ...................-0.3V, (V+ + 0.3V)
GND to AGND.............................................................0.1V, -0.1V
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
SO (derate 5.88mW/°C above +70°C) .........................471mW
CERDIP (derate 8.00mW/°C above +70°C) .................640mW
Operating Temperature Ranges
MAX1771C_ A .....................................................0°C to +70°C
MAX1771E_ A ..................................................-40°C to +85°C
MAX1771MJA ................................................-55°C to +125°C
Junction Temperatures
MAX1771C_ A/E_ A.......................................................+150°C
MAX1771MJA ..............................................................+175°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+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.
ELECTRICAL CHARACTERISTICS
(V+ = 5V, ILOAD = 0mA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MAX1771 (internal feedback resistors)
MIN
2.0
Input Voltage Range
MAX1771C/E (external resistors)
MAX1771MJA (external resistors)
3.0
3.1
Minimum Start-Up Voltage
Supply Current
Standby Current
V+ = 16.5V, SHDN = 0V (normal operation)
V+ = 10V, SHDN 1.6V (shutdown)
V+ = 16.5V, SHDN 1.6V (shutdown)
Output Voltage (Note 1)
V+ = 2V to 12V, over full load range,
Circuit of Figure 2a
11.52
Output Voltage Line Regulation
(Note 2)
V+ = 5V to 7V, VOUT = 12V
ILOAD = 700mA, Circuit of Figure 2a
Output Voltage Load Regulation
(Note 2)
V+ = 6V, VOUT = 12V, ILOAD = 0mA to
500mA, Circuit of Figure 2a
Maximum Switch On-Time
Minimum Switch Off-Time
Efficiency
Reference Voltage
REF Load Regulation
REF Line Regulation
FB Trip Point Voltage
tON(max)
tOFF(min)
VREF
VFB
V+ = 5V, VOUT = 12V, ILOAD = 500mA,
Circuit of Figure 2a
MAX1771C
IREF = 0µA
MAX1771E
MAX1771M
0µA IREF 100µA
3V V+ 16.5V
MAX1771C/E
MAX1771M
MAX1771C
MAX1771E
MAX1771M
12
1.8
1.4700
1.4625
1.4550
1.4700
1.4625
1.4550
TYP MAX UNITS
12.5
16.5 V
16.5
1.8 2.0
V
85 110
µA
25
µA
4
12.0 12.48
V
5 mV/V
20 mV/A
16 20
2.3 2.8
µs
µs
92 %
1.5 1.5300
1.5 1.5375
V
1.5 1.5450
4 10
mV
4 15
40 100 µV/V
1.5 1.5300
1.5 1.5375
V
1.5 1.5450
2 Maxim Integrated

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डाउनलोड[ MAX1771 Datasheet.PDF ]


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