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參數(shù)資料
| 型號： | MAX649MJA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 5V/3.3V/3V or Adjustable, High-Efficiency, |
| 中文描述： | SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, CDIP8 |
| 封裝： | 0.300 INCH, CERDIP-8 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 266K |
| 代理商： | MAX649MJA |
M
5V /3.3V /3V or Adjustable, High-Effic ienc y,
Low I
Q
, S tep-Down DC-DC Controllers
2
_______________________________________________________________________________________
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 (T
A
= +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
ELECTRICAL CHARACTERISTICS
(V+ = 5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°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.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
1.455
1.5
1.545
±50
±70
±90
5.20
3.43
3.12
1.530
1.5375
1.545
10
15
100
1.4625
1.5
1.5375
FB Trip Point
1.470
1.5
1.530
V
I
Q
2
5
FB Input Current
I
FB
nA
Output Voltage
V
OUT
4.80
3.17
2.88
1.470
1.4625
1.455
5.0
3.3
3.0
1.5
1.5
1.5
4
4
40
V
Supply Current
V+ Input Voltage Range
V+
4.0
16.5
V
80
4
100
μA
Reference Voltage
V
REF
V
REF Load Regulation
mV
CONDITIONS
MAX649M, MAX65_M
MAX649C, MAX65_C
MAX649E, MAX65_E
MAX649M, MAX65_M
Circuit of
Figure 1
MAX649E, MAX65_E
MAX649C, MAX65_C
V+ = 10V, SHDN
≥
1.6V (shutdown)
MAX649C, MAX65_C, I
REF
= 0
MAX649E, MAX65_E, I
REF
= 0
MAX649M, MAX65_M, I
REF
= 0
V+ = 16.5V, SHDN
≤
0.4V (operating, switch off)
V+ = 16.5V, SHDN
≥
1.6V (shutdown)
Operating Temperature Ranges
MAX649C_A, MAX65_C_A ..................................0°C to +70°C
MAX649E_A, MAX65_E_A ................................-40°C to +85°C
MAX649MJ A, MAX65_MJ A ............................-55°C to +125°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
MAX649, V+ = 6V to 16.5V
MAX651, V+ = 4V to 16.5V
MAX652, V+ = 4V to 16.5V
MAX649C/E, MAX65_C/E
MAX649M, MAX65_M
0
≤
I
REF
≤
100μA,
sourcing only
4V
≤
V+
≤
16.5V
REF Line Regulation
μV/V
2.6
mV/V
1.7
1.9
Output Voltage
Line Regulation
Circuit of
Figure 1
MAX649, 6V
≤
V+
≤
16V,
I
LOAD
= 1A
MAX651, 4.5V
≤
V+
≤
16V,
I
LOAD
= 1A
MAX652, 4V
≤
V+
≤
16V,
I
LOAD
= 1A
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相關(guān)代理商/技術(shù)參數(shù) |
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