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MAX629 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 28V / Low-Power / High-Voltage / Boost or Inverting DC-DC Converter - Maxim

भाग संख्या MAX629
समारोह 28V / Low-Power / High-Voltage / Boost or Inverting DC-DC Converter
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX629?> डेटा पत्रक पीडीएफ

MAX629 pdf
28V, Low-Power, High-Voltage,
Boost or Inverting DC-DC Converter
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to GND) ..................................-0.3V to +6V
SHDN to GND...........................................................-0.3V to +6V
ISET, REF, FB, POL to GND .......................-0.3V to (VCC + 0.3V)
LX to GND ..............................................................-0.3V to +30V
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°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
(VCC = +5V, CREF = 0.1µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note1)
PARAMETER
VCC Input Voltage (Note 2)
VCC Supply Current
VCC Shutdown Current
VCC Undervoltage Lockout
Input Supply Voltage (Note 2)
SHDN, POL, ISET Logic Levels
Positive Output Voltage
Negative Output Voltage
LX Switch-Current Limit
LX On-Resistance
LX Leakage Current
Maximum LX On-Time
Minimum LX Off-Time
FB Set Point
FB Input Bias Current
REF Output Voltage
CONDITIONS
VFB = 1.3V
SHDN = GND
100mV hysteresis
Voltage applied to L1 (VIN)
VIH
VIL
Circuit of Figure 2
Circuit of Figure 3
ISET = VCC
ISET = GND
VCC = 5V
VCC = 3.3V
VLX = 28V, TA = +85°C
POL = GND
POL = VCC
POL = GND, VFB < 1V
POL = VCC, VFB > 0.25V
POL = GND
(positive output)
POL = VCC
(negative output)
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
VCC = 2.7V to 5.5V,
no load on REF
TA = 0°C to +85°C
TA = -40°C to +85°C
MIN
2.7
2.3
0.8
2.4
-VIN
0.39
0.20
6.5
0.7
2.0
3.0
3.0
1.225
1.218
-15
-25
1.225
1.218
TYP
80
0.04
2.5
0.45
0.25
0.6
0.7
0.05
8.5
1.0
3.2
4.5
4.5
1.250
0
5
1.250
MAX
5.5
120
1
2.65
VOUT
UNITS
V
µA
µA
V
V
0.4
28
-28
0.51
0.33
1.2
1.4
2.5
10.0
1.3
3.8
6.0
6.0
1.275
1.282
15
25
50
1.275
1.282
V
V
V
A
µA
µs
µs
V
mV
nA
V
2 _______________________________________________________________________________________

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डाउनलोड[ MAX629 Datasheet.PDF ]


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