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| 型号： | MAX750ACSA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.45A 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 11 V |
| 输入电压： | 4 V ~ 11 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 170kHz |
| 电流 - 输出： | 450mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-SOIC |
| 产品目录页面： | 1409 (CN2011-ZH PDF) |
Adjustable, Step-Down,
Current-Mode PWM Regulators
ABSOLUTE MAXIMUM RATINGS
Pin Voltages
V+ (MAX750A).........................................................+12V, -0.3V
V+ (MAX758A).........................................................+18V, -0.3V
LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V)
LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V)
SS, CC, SHDN .............................................-0.3V to (V+ + 0.3V)
Peak Switch Current (I LX ).........................................................2A
Reference Current (I REF ) ...................................................2.5mA
Power Dissipation (T A = +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .....727mW
Operating Temperature Ranges:
MAX75_AC_ _ .......................................................0°C to +70°C
MAX75_AE_ _ ....................................................-40°C to +85°C
MAX75_AMJA ..................................................-55°C to +125°C
Junction Temperatures:
MAX75_AC_ _/AE_ _ ......................................................+150°C
MAX75_AMJA ................................................................+175°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
8-Pin SO (derate 5.88mW/°C above +70°C)..................471mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C) ......762mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C)..........640mW
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
(Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, V OUT = 5V, R2 = 40.20k ? , R3 = 13.0k ? , I LOAD = 0mA,
T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
MAX750A
TYP
MAX
MIN
MAX758A
TYP
MAX
UNITS
V+ = 6.0V to 11.0V;
0mA < I LOAD < 450mA for MAX750AC,
0mA < I LOAD < 450mA for MAX750AE,
4.75
5.00
5.25
0mA < I LOAD < 300mA for MAX750AM
Output Voltage
(Note 1)
V+ = 6.0V to 16.0V;
0mA < I LOAD < 450mA for MAX758AC/AE,
4.75
5.00
5.25
V
0mA < I LOAD < 350mA for MAX758AM
V+ = 10.2V to 16.0V,
0mA < I LOAD < 750mA
4.75
5.00
5.25
Input Voltage Range
Line Regulation
Load Regulation
Efficiency
V+ = 4.0V to 11.0V
V+ = 4.0V to 16.0V
I LOAD = 0mA to 450mA
I LOAD = 0mA to 750mA
V+ = 9.0V, I LOAD = 300mA
V+ = 12V, I LOAD = 750mA
4.0
0.15
0.0005
92
11.0
4.0
0.15
0.0005
90
87
16.0
V
%/V
%/mA
%
Supply Current
1.7
3.0
1.7
3.0
mA
Shutdown Supply
Current (Note 2)
Shutdown Input
Threshold
SHDN = 0V
V IH
V IL
2.0
6.0
100.0
0.25
2.0
6.0
100.0
0.25
μA
V
Shutdown Input
Leakage Current
Short-Circuit Current
1.5
1.0
1.5
1.0
μA
A
2
_______________________________________________________________________________________
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