参数资料
型号: MAX15035EVKIT+
厂商: Maxim Integrated Products
文件页数: 23/27页
文件大小: 0K
描述: EVALUATION KIT FOR MAX15035
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: Quick-PWM™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
电流 - 输出: 15A
输入电压: 4.5 ~ 26 V
稳压器拓扑结构: 降压
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX15035
15A Step-Down Regulator with Internal Switches
Ceramic capacitors have a high-ESR zero frequency,
but applications with sufficient current-sense compen-
sation may still take advantage of the small size, low
ESR, and high reliability of the ceramic chemistry. Using
the inductor DCR, applications using ceramic output
capacitors may be compensated using either a DC
compensation or AC compensation method (Figure 11).
The DC-coupling requires fewer external compensation
capacitors, but this also creates an output load line that
depends on the inductor’s DCR (parasitic resistance).
Alternatively, the current-sense information may be AC-
coupled, allowing stability to be dependent only on the
inductance value and compensation components and
eliminating the DC load line.
OPTION A: DC-COUPLED CURRENT-SENSE COMPENSATION
DC COMPENSATION
IN
BST
LX
PGND
R SENA
C IN
PWR
L
R SENB
INPUT
C OUT
PWR
<> FEWER COMPENSATION COMPONENTS
<> CREATES OUTPUT LOAD LINE
<> LESS OUTPUT CAPACITANCE REQUIRED
FOR TRANSIENT RESPONSE
OUTPUT
MAX15035
GND
FB
PWR
C SEN
? ( R SENA || R SENB ) C SEN ?
R SENB DCR
AGND
PWR
STABILITY REQUIREMENT
? L ?
? ? C OUT ≥
1
2 f SW
AND LOA D LINE =
R
R SENA + R SENB
FEEDBACK RIPPLE IN PHASE WITH INDUCTOR CURRENT
OPTION B: AC-COUPLED CURRENT-SENSE COMPENSATION
AC COMPENSATION
IN
BST
C IN
PWR
INPUT
<> NOT DEPENDENT ON ACTUAL DCR VALUE
<> NO OUTPUT LOAD LINE
L
LX
OUTPUT
PGND
MAX15035
PWR
R SEN
C SEN
C COMP
C OUT
PWR
FB
R COMP
GND
STABILITY REQUIREMENT
AGND
PWR
? L ?
? ?
? R SEN C SEN ? C OUT ≥ 2 f
1
SW
AND R COMP C COMP ≥
1
f S W
FEEDBACK RIPPLE IN PHASE WITH INDUCTOR CURRENT
Figure 11. Feedback Compensation for Ceramic Output Capacitors
______________________________________________________________________________________
23
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MAX15035EVKIT+ 功能描述:电源管理IC开发工具 MAX15035 Eval Kit 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
MAX15036ATE/V+ 功能描述:直流/直流开关转换器 2.2MHz 3A Buck wInt High-Side Switch 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
MAX15036ATE/V+T 功能描述:直流/直流开关转换器 2.2MHz 3A Buck wInt High-Side Switch 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
MAX15036ATE+ 功能描述:直流/直流开关转换器 2.2MHz 3A Buck wInt High-Side Switch 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
MAX15036ATE+T 功能描述:直流/直流开关转换器 2.2MHz 3A Buck wInt High-Side Switch 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