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参数资料
| 型号： | MAX16975BAEE/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 5V/ADJ 16QSOP |
| 其它有关文件： | Automotive Product Guide |
| 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： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 5V，1 V ~ 10 V |
| 输入电压： | 3.5 V ~ 28 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 220kHz ~ 1MHz |
| 电流 - 输出： | 1.2A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-QSOP |
MAX16975
28V, 1.2A Automotive Step-Down Converter
with Low Operating Current
Set the error-amplifier compensation zero formed by R C
and C C at the f pMOD (f zEA = f pMOD ):
Ordering Information
C C =
1
2 π × f pMOD × R C
PART
MAX16975AAEE/V+
MAX16975BAEE/V+
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
16 QSOP-EP*
16 QSOP
If f zMOD is less than 5 O f C , add a second capacitor, C F ,
from COMP to GND. Set f pEA = f zMOD and calculate C F
as follows:
/V denotes an automotive qualified part.
+ Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
C F =
1
2 π × f zMOD × R C
Chip Information
PCB Layout Guidelines
Careful PCB layout is critical to achieve low switching
losses and clean, stable operation. Use a multilayer board
PROCESS: BiCMOS
Package Information
whenever possible for better noise immunity and power
dissipation. Follow these guidelines for good PCB layout:
1) Use a large contiguous copper plane under the
device package. Ensure that all heat-dissipating com-
ponents have adequate cooling.
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages . Note that
a “+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
2) Isolate the power components and high-current path
from the sensitive analog circuitry. This is essential to
prevent any noise coupling into the analog signals.
3) Keep the high-current paths short, especially at the
PACKAGE
TYPE
16 QSOP
16 QSOP-EP
PACKAGE
CODE
E16+4
E16E+10
OUTLINE
NO.
LAND
PATTERN NO.
ground terminals. This practice is essential for stable,
jitter-free operation. Make the high-current path com-
prising of an input capacitor, high-side FET, inductor,
and the output capacitor as short as possible.
4) Keep the power traces and load connections short. This
practice is essential for high efficiency. Use thick copper
PCBs (2oz vs. 1oz) to enhance full-load efficiency.
5) Route the analog signal lines away from the high-
frequency planes. This ensures integrity of sensitive
signals feeding back into the device.
6) Make the ground connection for the analog and
power section close to the device. This keeps the
ground current loops to a minimum. In cases where
only one ground is used, enough isolation between
analog return signals and high power signals must be
maintained.
Maxim Integrated
16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16976AEE/V+ | 功能描述:直流/直流开关转换器 28V 600Ma 2MHz 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 |
| MAX16976AEE/V+T | 功能描述:直流/直流开关转换器 28V 600Ma 2MHz 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 |
| MAX16977EVKIT# | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down Converter with Low Operating Current 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 |
| MAX16977RATE/V+ | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down 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 |
| MAX16977RATE/V+T | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down 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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