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| 型号： | MAX5033DASA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.5A 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 13.2 V |
| 输入电压： | 7.5 V ~ 76 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 125kHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
MAX5033
500mA, 76V, High-Efficiency, MAXPower
Step-Down DC-DC Converter
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND, unless otherwise specified.)
V IN .........................................................................-0.3V to +80V
SGND ....................................................................-0.3V to +0.3V
LX.................................................................-0.8V to (V IN + 0.3V)
BST ...............................................................-0.3V to (V IN + 10V)
BST (transient < 100ns) ................................-0.3V to (V IN + 15V)
BST to LX................................................................-0.3V to +10V
BST to LX (transient < 100ns) ................................-0.3V to +15V
ON/ OFF ..................................................................-0.3V to +80V
VD...........................................................................-0.3V to +12V
FB
MAX5033A/MAX5033B/MAX5033C ...................-0.3V to +15V
MAX5033D .........................................................-0.3V to +12V
V OUT Short-Circuit Duration (V IN ≤ 40V)........................Indefinite
VD Short-Circuit Duration ..............................................Indefinite
Continuous Power Dissipation (T A = +70°C)
8-Pin PDIP (derate 9.1mW/°C above +70°C)...............727mW
8-Pin SO (derate 5.9mW/ ° C above +70 ° C)..................471mW
Operating Temperature Range
MAX5033_U_ _ ...................................................0 ° C to +85 ° C
MAX5033_A_ _ ..............................................-40 ° C to +125 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Junction Temperature ......................................................+150 ° C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow)
SO, PDIP Lead(Pb)-free...............................................+260°C
SO, PDIP Containing lead (Pb) ....................................+240°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 (MAX5033_U_ _)
(V IN = +12V, V ON/ OFF = +12V, I OUT = 0, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C. See the
Typical Operating Circuit.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX5033A
7.5
76.0
Input Voltage Range
V IN
MAX5033B
MAX5033C
7.5
15
76.0
76
V
MAX5033D
7.5
76.0
Undervoltage Lockout
UVLO
5.2
V
MAX5033A, V IN = 7.5V to 76V,
I OUT = 20mA to 500mA
3.185
3.3
3.415
Output Voltage
V OUT
MAX5033B, V IN = 7.5V to 76V,
I OUT = 20mA to 500mA
4.85
5.0
5.15
V
MAX5033C, V IN = 15V to 76V,
I OUT = 20mA to 500mA
11.64
12
12.36
Feedback Voltage
V FB
V IN = 7.5V to 76V, MAX5033D
1.192
1.221
1.250
V
V IN = 12V, I LOAD = 500mA, MAX5033A
V IN = 12V, I LOAD = 500mA, MAX5033B
86
90
Efficiency
η
V IN = 24V, I LOAD = 500mA, MAX5033C
94
%
V IN = 12V, V OUT = 5V, I LOAD = 500mA,
MAX5033D
90
V FB = 3.5V, V IN = 7.5V to 76V, MAX5033A
270
440
Quiescent Supply Current
I Q
V FB = 5.5V, V IN = 7.5V to 76V, MAX5033B
V FB = 13V, V IN = 15V to 76V, MAX5033C
270
270
440
440
μA
V FB = 1.3V, MAX5033D
270
440
Shutdown Current
I SHDN
V ON/ OFF = 0V, V IN = 7.5V to 76V
10
45
μA
Peak Switch Current Limit
Switch Leakage Current
I LIM
I OL
(Note 1)
V IN = 76V, V ON/ OFF = 0V, V LX = 0V
0.95
1.5
1
2.1
A
μA
2
Maxim Integrated
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| MAX5033DUPA+ | 功能描述:直流/直流开关转换器 500mA 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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