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参数资料
| 型号： | MAX5033CUSA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 12V 0.5A 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： | 固定 |
| 输出数： | 1 |
| 输出电压： | 12V |
| 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： | 0°C ~ 85°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 |
MAX5033
500mA, 76V, High-Efficiency, MAXPower
Step-Down DC-DC Converter
ELECTRICAL CHARACTERISTICS (MAX5033_A_ _) (continued)
(V IN = +12V, V ON / OFF = +12V, I OUT = 0, T A = T J = -40°C to +125°C , unless otherwise noted. Typical values are at T A = +25°C. See
the Typical Operating Circuit.) (Note 2)
PARAMETER
Feedback Voltage
SYMBOL
V FB
CONDITIONS
V IN = 7.5V to 76V, MAX5033D
MIN
1.192
TYP
1.221
MAX
1.250
UNITS
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
Switch On-Resistance
PFM Threshold
FB Input Bias Current
I LIM
I OL
R DS(ON)
I PFM
I B
(Note 1)
V IN = 76V, V ON/ OFF = 0V, V LX = 0V
I SWITCH = 500mA
Minimum switch current in any cycle
MAX5033D
0.95
35
-150
1.5
1
0.4
65
+0.01
2.20
0.80
110
+150
A
μA
?
mA
nA
ON/ OFF CONTROL INPUT
ON/ OFF Input-Voltage Threshold
V ON/ OFF
Rising trip point
1.50
1.69
1.85
V
ON/ OFF Input-Voltage Hysteresis
V HYST
100
mV
ON/ OFF Input Current
ON/ OFF Operating Voltage Range
I ON/ OFF
V ON/ OFF
V ON/ OFF = 0V to V IN
10
150
76
nA
V
OSCILLATOR
Oscillator Frequency
Maximum Duty Cycle
f OSC
D MAX
MAX5033D
105
125
95
137
kHz
%
VOLTAGE REGULATOR
Regulator Output Voltage
VD
V IN = 8.5V to 76V, I L = 0mA
6.5
7.8
9.0
V
Dropout Voltage
7.5V ≤ V IN ≤ 8.5V, I L = 1mA
2.0
V
Load Regulation
? VD/ ? I VD
0 to 5mA
150
?
PACKAGE THERMAL CHARACTERISTICS
Thermal Resistance
(Junction to Ambient)
θ JA
SO package (JEDEC 51)
DIP package (JEDEC 51)
170
110
° C/W
THERMAL SHUTDOWN
Thermal-Shutdown Junction
Temperature
Thermal-Shutdown Hysteresis
T SH
T HYST
+160
20
° C
° C
Note 1: Switch current at which the current limit is activated.
Note 2: All limits at -40°C are guaranteed by design, not production tested.
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5033CUSA+ | 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 |
| MAX5033CUSA+T | 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 |
| MAX5033CUSA-T | 功能描述:直流/直流开关转换器 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 |
| MAX5033DAPA+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5033DASA | 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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