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参数资料
| 型号： | MAX5080EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/19页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX5080 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 1A |
| 输入电压： | 4.5 ~ 40 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 250kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX5080 |
1A, 40V, MAXPower Step-Down
DC-DC Converters
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V ON/ OFF = 12V, V REG = V DVREG , V SYNC = PGND = SGND, T A = T J = -40°C to +125°C, unless otherwise noted. Typical values
are at T A = + 25°C.) (Note 1)
PARAMETER
FB Offset Voltage
SYMBOL
CONDITIONS
I COMP = -500μA to +500μA
MIN
-5
TYP
MAX
+5
UNITS
mV
OSCILLATOR
Frequency
f SW
V SYNC = 0V
225
250
275
kHz
V SYNC = 0V, V IN = 4.5V, MAX5080
87
Maximum Duty Cycle
D MAX
V SYNC = 0V, V IN = 7.5V, MAX5081
87
%
V SYNC = 0V, V IN ≤ 40V
87
SYNC High-Level Voltage
SYNC Low-Level Voltage
2.2
0.8
V
V
SYNC Frequency Range
PWM Modulator Gain
Ramp Level Shift (Valley)
f SYNC
f SYNC = 150kHz to 350kHz
150
10
0.3
350
kHz
V/V
V
POWER SWITCH
Switch On-Resistance
V BST - V LX = 6V
0.3
0.6
?
Switch Gate Charge
Switch Leakage Current
BST Leakage Current
V BST - V LX = 6V
V IN = 40V, V LX = V BST = 0V
V BST = V LX = V IN = 40V
6
10
10
nC
μA
μA
CHARGE PUMP
C- Output Voltage Low
C- Output Voltage High
DVREG to C+ On-Resistance
LX to PGND On-Resistance
MAX5080 only, sinking 10mA
MAX5080 only, relative to DVREG, sourcing
10mA
MAX5080 only, sourcing 10mA
Sinking 10mA
0.1
0.1
10
12
V
V
?
?
CURRENT-LIMIT COMPARATOR
Pulse-Skip Threshold
Cycle-by-Cycle Current Limit
I PFM
I ILIM
100
1.4
200
2
300
2.6
mA
A
Number of Consecutive ILIM
Events to Hiccup
7
Hiccup Timeout
INTERNAL VOLTAGE REGULATOR
512
Clock
periods
Output Voltage
V REG
MAX5080
MAX5081
4.75
7.6
5
8
5.25
8.4
V
Line Regulation
Load Regulation
Dropout Voltage
V IN = 5.5V to 40V, MAX5080
V IN = 9.0V to 40V, MAX5081
I REG = 0 to 20mA
V IN = 4.5V, I REG = 20mA, MAX5080
V IN = 7.5V, I REG = 20mA, MAX5081
1
1
0.25
0.5
0.5
mV/V
V
V
_______________________________________________________________________________________
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5081ATE | 功能描述:直流/直流开关转换器 1A 40V 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 |
| MAX5081ATE+ | 功能描述:直流/直流开关转换器 1A 40V 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 |
| MAX5081ATE+T | 功能描述:直流/直流开关转换器 1A 40V 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 |
| MAX5081ATE-T | 功能描述:直流/直流开关转换器 1A 40V 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 |
| MAX5082 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1.5A, 40V, MAXPower Step-Down DC-DC Converters |
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