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参数资料
| 型号： | MAX5033DASA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/17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
ELECTRICAL CHARACTERISTICS (MAX5033_U_ _) (continued)
(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
Switch On-Resistance
PFM Threshold
FB Input Bias Current
SYMBOL
R DS(ON)
I PFM
I B
CONDITIONS
I SWITCH = 500mA
Minimum switch current in any cycle
MAX5033D
MIN
35
-150
TYP
0.4
65
+0.01
MAX
0.80
95
+150
UNITS
?
mA
nA
ON/ OFF CONTROL INPUT
ON/ OFF Input-Voltage Threshold
V ON/ OFF
Rising trip point
1.53
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
109
125
95
135
kHz
%
VOLTAGE REGULATOR
Regulator Output Voltage
VD
V IN = 8.5V to 76V, I L = 0mA
6.9
7.8
8.8
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
ELECTRICAL CHARACTERISTICS (MAX5033_A_ _)
(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
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
4.825
5.0
5.175
V
Maxim Integrated
MAX5033C, V IN = 15V to 76V,
I OUT = 20mA to 500mA
11.58
12
12.42
3
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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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