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| 型号： | MAX5060ATI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/31页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 28-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1.5MHz |
| 占空比： | 90% |
| 电源电压： | 4.75 V ~ 28 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 管件 |
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0.6V to 5.5V Output, Parallelable,
Average-Current-Mode DC-DC Controllers
Parallel Operation
For applications requiring large output current, parallel
two or more MAX5060s (multiphase operation) to
increase the available output current. The paralleled
converters operate at the same switching frequency
but different phases keep the input capacitor ripple
RMS currents to a minimum. The MAX5060 provides
the clock output (CLKOUT), which is 180° out-of-phase
with respect to DH. For the MAX5061, the out-of-phase
clock can be easily generated using a simple inverter
and driving it from the LX node. Use CLKOUT to drive
the second DC-DC converter to double the effective
switching frequency and reduce the input capacitor
ripple current (see Figure 10).
To drive multiple converters out-of-phase, use a delay
circuit to set 90° of phase shift (4 paralleled converters),
or 60° of phase shift (6 converters in parallel). Designate
one converter as master and the remaining converters
as slaves. Connect the master and slave controllers in a
daisy-chain configuration as shown in Figure 11.
Choose the appropriate phase shift for minimum ripple
currents at the input and output capacitors. The master
controller senses the output differential voltage through
SENSE+ and SENSE- and generates the DIFF voltage.
Disable the voltage sensing of the slaved controllers by
leaving DIFF unconnected (floating). Figure 11 shows a
typical application circuit using four MAX5060s. This cir-
cuit provides two phases at a 12V input voltage and a
0.6V to 5V output voltage range.
SENSE-
SENSE+
CSN
CSP
V IN
V IN
IN
DIFF
MAX5060
DH
LX
EAN
EAOUT
PGND
DL
RT/SYNC
SGND CLKOUT
RT/SYNC
CSN
CSP
V IN
IN
MAX5060
DH
Figure 10. Parallel Configuration of MAX5060
DIFF
EAN
EAOUT
PGND
LX
DL
SGND
V OUT
LOAD
22
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5060ATI+ | 功能描述:DC/DC 开关控制器 .6-5.5V Parallelable Average-Current-Mode 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 |
| MAX5060ATI+T | 功能描述:DC/DC 开关控制器 .6-5.5V Parallelable Average-Current-Mode 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 |
| MAX5060ATI-T | 功能描述:DC/DC 开关控制器 .6-5.5V Parallelable Average-Current-Mode 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 |
| MAX5060ETI | 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 |
| MAX5060ETI+ | 功能描述:DC/DC 开关控制器 .6-5.5V Parallelable Average-Current-Mode 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 |
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