参数资料
型号: MAX5066EVKIT
厂商: Maxim Integrated Products
文件页数: 14/22页
文件大小: 0K
描述: EVAL KIT FOR MAX5066
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: 2,非隔离
输出电压: 0.8V,1.3V
电流 - 输出: 10A,10A
输入电压: 5 ~ 16 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX5066
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
V DD
PEAK-CURRENT
COMPARATOR
52.5mV
CLP_
CSP_
CSN_
A V = 36
g M = 500 μ S
PWM
BST_
GM IN
COMPARATOR
RAMP
2 x f SW (V/S)
S
Q
DH_
LX_
CLK
R
Q
DL_
1.225V
EN_
Figure 3. Current Comparator and MOSFET Driver Logic
V OUT
V CNTR + ? V OUT /2
PGND
R 1
R F
V CNTR
C OUT
LOAD
R 2
EAN_
EAOUT_
V CNTR - ? V OUT /2
V REF = 0.61V
NO LOAD
1/2 LOAD
LOAD (A)
FULL LOAD
Figure 4. Voltage Error Amplifier
MOSFET Gate Drivers (DH_, DL_)
The high-side drivers (DH1 and DH2) and low-side dri-
vers (DL1 and DL2) drive the gates of external n-channel
MOSFETs. The high-peak sink and source current capa-
bility of these drivers provides ample drive for the fast
rise and fall times of the switching MOSFETs. Faster rise
and fall times result in reduced switching losses. For low-
Figure 5. Defining the Voltage-Positioning Window
output, voltage-regulating applications where the duty
cycle is less than 50%, choose high-side MOSFETs (Q2
and Q4, Figure 6) with a moderate R DS(ON) and a very
low gate charge. Choose low-side MOSFETs (Q1 and
Q3, Figure 6) with very low R DS(ON) and moderate gate
charge. The driver block also includes a logic circuit that
provides an adaptive nonoverlap time (30ns typical) to
14
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相关代理商/技术参数
参数描述
MAX5067 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual-Phase, +0.6V to +3.3V Output Parallelable, Average-Current-Mode Controllers
MAX5067ETH 功能描述:电流型 PWM 控制器 Dual-Phase .6-3.3V Parallelable Average RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX5067ETH+ 功能描述:电流型 PWM 控制器 Dual-Phase .6-3.3V Parallelable Average RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX5067ETH+T 功能描述:电流型 PWM 控制器 Dual-Phase .6-3.3V Parallelable Average RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX5067ETH-T 功能描述:电流型 PWM 控制器 Dual-Phase .6-3.3V Parallelable Average RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14