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参数资料
| 型号： | MAX5060EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/31页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX5060 |
| 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： | 3.3V |
| 电流 - 输出： | 20A |
| 输入电压： | 10 ~ 14V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 270kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX5060 |
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0.6V to 5.5V Output, Parallelable,
Average-Current-Mode DC-DC Controllers
Internal Oscillator
The internal oscillator generates a clock with the fre-
quency proportional to the inverse of R T . The oscillator
frequency is adjustable from 125kHz to 1.5MHz with
better than 8% accuracy using a single resistor con-
nected from RT/SYNC to SGND (MAX5060) and from
RT/SYNC/EN to SGND (MAX5061). The frequency accu-
racy avoids the over-design, size, and cost of passive
filter components like inductors and capacitors. Use the
following equation to calculate the oscillator frequency:
for 120k ? ≤ R T ≤ 500k ? :
The oscillator also generates a 2V P-P voltage-ramp sig-
nal for the PWM comparator and a 180° out-of-phase
clock signal for CLKOUT (MAX5060) to drive a second
DC-DC converter out-of-phase.
Synchronization
The MAX5060/MAX5061 can be easily synchronized by
connecting an external clock to RT/SYNC (MAX5060) or
RT/SYNC/EN (MAX5061). If an external clock is pre-
sent, then the internal oscillator is disabled and the
external clock is used to run the MAX5060/MAX5061. If
the external clock is removed, the absence of clock for
R T =
for 40k ? ≤ R T ≤ 120k ? :
R T =
6 . 25 × 10 10
f SW
6 . 40 × 10 10
f SW
32μs is detected and the circuit starts switching from
the internal oscillator. Pulling RT/SYNC on the MAX5060
or RT/SYNC/EN on the MAX5061 to ground for at least
50μs disables the converter.
Use an open-collector transistor to synchronize the
MAX5060/MAX5061 with the external system clock (see
Figures 1 and 2).
R CF
C CF
CSN
CSP
CLP
C CFF
CA
R F *
V IN
SENSE+
SENSE-
DIFF
AMP
R IN *
VEA
CEA
CPWM
DRIVE
I L
R S
V OUT
V REF + V CM
*R F AND R IN ARE EXTERNAL.
Figure 5. MAX5060 Control Loop
MAX5060
C OUT
LOAD
______________________________________________________________________________________
17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5061 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:0.6V to 5.5V Output, Parallelable, Average-Current-Mode DC-DC Controllers |
| MAX5061AUE | 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 |
| MAX5061AUE+ | 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 |
| MAX5061AUE+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 |
| MAX5061AUE-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 |
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