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参数资料
| 型号： | MAX1674EUA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC FIX/ADJ 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，5V，可调 |
| 输入电压： | 0.7 V ~ 5.5 V |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 420mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-uMAX |
MAX1674/MAX1675/MAX1676
High-Efficiency, Low-Supply-Current,
Compact, Step-Up DC-DC Converters
Typical Operating Characteristics (continued)
(L = 22μH, C IN = 47μF, C OUT = 47μF ?? 0.1μF, C REF = 0.1μF, T A = +25°C, unless otherwise noted.)
LINE-TRANSIENT RESPONSE
MAX1674 TOC15
LOAD-TRANSIENT RESPONSE
MAX1674 TOC16
EXITING SHUTDOWN
MAX1674 TOC17
V IN
2V TO 3V
1V/div
V IN = 2.4V
V OUT = 3.3V
I OUT
200mA/div
V OUT
2V/div
V SHDN
V OUT
AC COUPLED
V OUT
50mV/div
2V/div
I LOAD
100mA
10 μ s/div
100mV/div
5 μ s/div
AC
COUPLED
500 μ s/div
Pin Description
PIN
MAX1674
MAX1675
MAX1676
NAME
FUNCTION
Dual-Mode? Feedback Input. Connect to GND for +5.0V output.
1
1
FB
Connect to OUT for +3.3V output. Use a resistor network to set the
output voltage from +2.0V to +5.5V.
2
2
LBI
Low-Battery Comparator Input. Internally set to trip at +1.30V.
Open-Drain Low-Battery Comparator Output. Connect LBO to OUT
3
3
LBO
through a 100k ? resistor. Output is low when V LBI is <1.3V. LBO is
high impedance during shutdown.
—
4
4
5
CLSEL
REF
Current-Limit Select Input. CLSEL = OUT sets the current limit to 1A.
CLSEL = GND sets the current limit to 0.5A.
1.3V Reference Voltage. Bypass with a 0.1μF capacitor.
Shutdown Input. Drive high (>80% of V OUT ) for operating mode.
5
6
SHDN
Drive low (<20% of V OUT ) for shutdown mode. Connect to OUT for
normal operation.
—
6
7
8
7
8
9
10
BATT
GND
LX
OUT
Battery Input and Damping Switch Connection. If damping switch is
unused, leave BATT unconnected.
Ground
N-Channel and P-Channel Power MOSFET Drain
Power Output. OUT provides bootstrap power to the IC.
Dual-Mode is a trademark of Maxim Integrated Products.
6
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1674EUA+ | 功能描述:直流/直流开关转换器 Compact Step-Up DC/DC Converter 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 |
| MAX1674EUA+T | 功能描述:直流/直流开关转换器 Compact Step-Up DC/DC Converter 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 |
| MAX1674EUA-T | 功能描述:直流/直流开关转换器 Compact Step-Up DC/DC Converter 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 |
| MAX1674EUA-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1675EUA | 功能描述:直流/直流开关转换器 Compact Step-Up DC/DC Converter 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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