参数资料
型号: MAX8792EVKIT+
厂商: Maxim Integrated Products
文件页数: 13/28页
文件大小: 0K
描述: KIT EVAL FOR MAX8792
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: 1.5V
电流 - 输出: 10A
输入电压: 7 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX8792
Single Quick-PWM Step-Down
Controller with Dynamic REFIN
Free-Running Constant-On-Time PWM
Controller with Input Feed-Forward
The Quick-PWM control architecture is a pseudo-fixed-
frequency, constant on-time, current-mode regulator
with voltage feed-forward (Figure 2). This architecture
relies on the output filter capacitor’s ESR to act as a cur-
rent-sense resistor, so the output ripple voltage provides
the PWM ramp signal. The control algorithm is simple:
the high-side switch on-time is determined solely by a
one-shot whose pulse width is inversely proportional to
TON
t ON
TRIG
Q
ON-TIME
COMPUTE
IN
FB
Q
t OFF(MIN)
TRIG
ONE-SHOT
S
R
Q
BST
DH
LX
ONE-SHOT
INTEGRATOR
ERROR
AMPLIFIER
(CCV)
V DD
S
R
Q
DL
FB
BLANK
QUAD-
LEVEL
DECODE
GND
SKIP
EA + 0.3V
ZERO CROSSING
PGOOD
VALLEY CURRENT LIMIT
AND FAULT
PROTECTION
ILIM
EA - 0.2V
REF
EN
PGOOD
EA
SOFT-
START/STOP
2V
REF
V CC
REFIN
BLANK
MAX8792
Figure 2. MAX8792 Functional Diagram
DYNAMIC OUTPUT
TRANSITION DETECTION
______________________________________________________________________________________
13
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相关代理商/技术参数
参数描述
MAX8792EVKIT+ 功能描述:电源管理IC开发工具 MAX8792 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
MAX8794ETB/V+T 功能描述:低压差稳压器 - LDO Low-Voltage DDR Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8794ETB+ 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE DDR LINEAR REGULATOR - Rail/Tube
MAX8794ETB+T 功能描述:低压差稳压器 - LDO Low-Voltage DDR Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX8795AETJ+ 功能描述:直流/直流开关转换器 TFT-LCD DC/DC 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