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參數(shù)資料
| 型號： | MAX761MJA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, CDIP8 |
| 封裝： | 0.300 INCH, CERDIP-8 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大小： | 122K |
| 代理商： | MAX761MJA |
M
12V /15V or Adjustable, High-Effic ienc y,
Low I
Q
, Step-Up DC-DC Converters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage V+ to GND.......................................-0.3V to 17V
REF, LBO, LBI, SHDN, FB............................-0.3V to (V+ + 0.3V)
LX..............................................................................-0.3V to 17V
LX Peak Current....................................................................1.5A
LBO Current..........................................................................5mA
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
Operating Temperature Ranges:
MAX76_C_A........................................................0°C to +70°C
MAX76_E_A .....................................................-40°C to +85°C
MAX76_MJ A ..................................................-55°C to +125°C
J unction Temperatures:
MAX76_C_A/E_A..........................................................+150°C
MAX76_MJ A.................................................................+175°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
ELECTRICAL CHARACTERISTICS
(V+ = 5V, I
LOAD
= 0mA, C
REF
= 0.1μF, T
A
= T
MIN
to T
MAX,
typical values are at T
A
= +25°C, unless otherwise noted.)
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
2
3
3.1
TYP
MAX
16.5
16.5
16.5
88
110
Minimum Start-Up Voltage
1.7
2.0
V
Minimum Operating Voltage
1.7
V
Supply Current
300
μA
Shutdown Current
1
5
μA
11.52
12.0
12.48
Supply Voltage
V+
V
11.52
12.0
12.48
14.4
15.0
15.6
Output Voltage
(Note 1)
V
OUT
14.4
15.0
15.6
V
Peak Current at LX
Maximum Switch-On Time
Minimum Switch-Off Time
Load Regulation
Line Regulation
I
PEAK
t
ON
t
OFF
0.75
6
1.0
1.0
8
1.3
1.25
10
1.6
A
μs
μs
0.0042
0.08
%/mA
%/V
Efficiency
86
%
1.4700
1.4625
1.4550
1.50
1.50
1.50
1.5300
1.5375
1.5450
Reference Voltage
V
REF
V
CONDITIONS
Figure 2,
MAX761,
bootstrapped
V+ = 16.5V, normal operation, SHDN = 0V,
non-bootstrapped
Figure 2, bootstrapped
Figure 2, bootstrapped
Figure 2, MAX761, V
IN
= 5V, SHDN = 0V,
normal operation
Figure 2,
MAX762,
bootstrapped
V+ = 10.0V, shutdown mode, SHDN = V+
See Figure 4b
Figure 2, 0mA
≤
I
LOAD
≤
200mA, bootstrapped
Figure 2, 4V
≤
V
IN
≤
6V, bootstrapped
Figure 2, bootstrapped
Figure 2, bootstrapped, V
OUT
= 12V,
60mA
≤
I
LOAD
≤
120mA
Figure 3 or 5 with
external resistors.
MAX76_C
MAX76_E
MAX76_M
MAX76_C/E
MAX76_M
UNITS
0mA
≤
I
LOAD
≤
75mA,
3V
≤
V+
≤
12V
0mA
≤
I
LOAD
≤
150mA,
4.75V
≤
V+
≤
12V
0mA
≤
I
LOAD
≤
50mA,
3V
≤
V+
≤
15V
0mA
≤
I
LOAD
≤
100mA,
4.75V
≤
V+
≤
15V
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