参数资料
型号: MAX5072ETJ+T
厂商: Maxim Integrated Products
文件页数: 14/27页
文件大小: 0K
描述: IC REG BUCK BST ADJ 1A/2A 32TQFN
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),升压(升压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 28 V
输入电压: 4.5 V ~ 23 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2.2MHz
电流 - 输出: 1A,2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 32-TQFN-EP(5x5)
2.2MHz, Dual-Output Buck or Boost
Converter with POR and Power-Fail Output
V IN
CIN
V+
V+
OUTPUT2
DRAIN2
DRAIN1
OUTPUT1
OUTPUT4
DRAIN2
DRAIN1
OUTPUT3
SOURCE2
SOURCE1
SOURCE2
SOURCE1
DUTY CYCLE = 50%
CLKIN
SYNC
CLKOUT
MASTER
SYNC
SLAVE
SYNC
CLKOUT
(MASTER)
CLKOUT
(SLAVE)
SOURCE1
(MASTER)
SYNC PHASE
SOURCE2
(MASTER)
SOURCE1
(SLAVE)
SOURCE2
(SLAVE)
C IN (RIPPLE)
Figure 3. Synchronized Controllers
CLKOUT PHASE
Frequency Select (FSEL1)
Sometimes it is necessary to operate the converter at a
lower switching frequency to keep the losses low for
lower power dissipation. However, it is not possible to
have different frequencies for two converters operating
out-of-phase. Also, frequency beating may occur if the
individual converter frequencies are not selected care-
fully. To avoid these issues, and still achieve the lower
power dissipation in the package, the MAX5072 pro-
vides a frequency select (FSEL1) pin. Connecting
FSEL1 to ground reduces the switching frequency of
converter 1 to 1/2 the switching frequency of converter
2 and 1/4th of the internal oscillator switching frequen-
cy. In this case, the input capacitor ripple frequency is
1.5 times the converter 2 switching frequency and also
has unsymmetrical ripple waveform.
14
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MAX5072EVKIT 功能描述:电源管理IC开发工具 2.2MHz Buck or Boost Converter RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
MAX5073 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs
MAX5073ATI 功能描述:直流/直流开关转换器 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
MAX5073ATI+ 功能描述:直流/直流开关转换器 2.2MHz Buck or Boost 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
MAX5073ATI+T 功能描述:直流/直流开关转换器 2.2MHz Buck or Boost 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