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MAX651 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Step-Down DC-DC Controllers - Maxim

भाग संख्या MAX651
समारोह Step-Down DC-DC Controllers
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX651?> डेटा पत्रक पीडीएफ

MAX651 pdf
5V/3.3V/3V or Adjustable, High-Efficiency,
Low IQ, Step-Down DC-DC Controllers
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V+ to GND.......................................-0.3V, +17V
REF, SHDN, FB, CS, EXT, OUT .......................-0.3V, (V+ + 0.3V)
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
MAX649C_A, MAX65_C_A ..................................0°C to +70°C
MAX649E_A, MAX65_E_A ................................-40°C to +85°C
MAX649MJA, MAX65_MJA ............................-55°C to +125°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, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
V+ Input Voltage Range
V+
Supply Current
V+ = 16.5V, SHDN 0.4V (operating, switch off)
IQ V+ = 16.5V, SHDN 1.6V (shutdown)
V+ = 10V, SHDN 1.6V (shutdown)
MAX649C, MAX65_C
FB Trip Point
MAX649E, MAX65_E
MAX649M, MAX65_M
MAX649C, MAX65_C
FB Input Current
IFB MAX649E, MAX65_E
MAX649M, MAX65_M
Output Voltage
VOUT
Circuit of
Figure 1
MAX649, V+ = 6V to 16.5V
MAX651, V+ = 4V to 16.5V
MAX652, V+ = 4V to 16.5V
Reference Voltage
REF Load Regulation
VREF
MAX649C, MAX65_C, IREF = 0
MAX649E, MAX65_E, IREF = 0
MAX649M, MAX65_M, IREF = 0
0 IREF 100µA,
sourcing only
MAX649C/E, MAX65_C/E
MAX649M, MAX65_M
REF Line Regulation
4V V+ 16.5V
MAX649, 6V V+ 16V,
ILOAD = 1A
Output Voltage
Line Regulation
Circuit of
Figure 1
MAX651, 4.5V V+ 16V,
ILOAD = 1A
MAX652, 4V V+ 16V,
ILOAD = 1A
MIN
4.0
1.470
1.4625
1.455
4.80
3.17
2.88
1.470
1.4625
1.455
TYP
80
4
2
1.5
1.5
1.5
5.0
3.3
3.0
1.5
1.5
1.5
4
4
40
MAX
16.5
100
5
1.530
1.5375
1.545
±50
±70
±90
5.20
3.43
3.12
1.530
1.5375
1.545
10
15
100
UNITS
V
µA
V
nA
V
V
mV
µV/V
2.6
1.7 mV/V
1.9
2 _______________________________________________________________________________________
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