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参数资料
| 型号： | MAX8546EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX8546 |
| 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： | 2.5V |
| 电流 - 输出： | 6A |
| 输入电压： | 10 ~ 24V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX8546 |
Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND unless otherwise noted.)
V IN to GND ............................................................-0.3V to +30V
V CC to GND .............................-0.3V, lower of 6V or (VL + 0.3V)
FB to GND ................................................................-0.3V to +6V
BST to GND ............................................................-0.3V to +36V
VL, DL, COMP to GND ..............................-0.3V to (V CC + 0.3V)
BST to LX..................................................................-0.3V to +6V
DH to LX ....................................................-0.3V to (V BST + 0.3V)
LX to GND ................................................................-1V to +30V
Input Current (any pin) .....................................................±50mA
Continuous Power Dissipation (T A = +70°C)
10-Pin μMAX (derate 5.6mW/°C above +70°C) ..........444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
VL Short to GND ......................................................................5s
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
(V IN = VL = V CC = 5V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
V IN Operating Range
V IN Undervoltage Lockout
(UVLO) Trip Level
V IN Operating Supply Current
VL Output Voltage
SYMBOL
V IN
CONDITIONS
V CC = VL, V IN separate from V CC
V IN = VL = V CC
Rising and falling edge, hysteresis = 2%
V FB = 0.88V (no switching)
5.5V < V IN < 28V, V CC = VL,
1mA < I LOAD < 25mA
MIN
4.9
2.7
2.35
4.7
TYP
2.50
0.7
5
MAX
28.0
5.5
2.66
1.2
5.3
UNITS
V
V
mA
V
Thermal Shutdown
Rising temperature, typical
hysteresis = 10 ° C (Note 1)
+160
° C
OSCILLATOR
Frequency
Minimum Duty Cycle
Maximum Duty Cycle
f OSC
DC MIN
DC MAX
MAX8545, MAX8546
MAX8548
DH output, MAX8545, MAX8546
MAX8548
DH output, MAX8545, MAX8546
MAX8548
250
80
83
90
300
100
86
95
360
120
5
10
kHz
%
%
SOFT-START
Digital Ramp Period
Soft-Start Levels
MAX8545, MAX8546
MAX8548
MAX8545, MAX8546
MAX8548
6.6
10.2
V OUT / 64
V OUT / 32
ms
V
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8548EUB | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8548EUB+ | 功能描述:电压模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX8548EUB+T | 功能描述:电压模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX8548EUB-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8550AETI | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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