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| 型号： | MAX16955EVKIT# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT MAX16955 |
| 标准包装： | 1 |
| 系列： | * |
EVALUATION KIT AVAILABLE
MAX16955
36V, 1MHz Step-Down Controller
with Low Operating Current
General Description
Features
The MAX16955 is a current-mode, synchronous PWM
step-down controller designed to operate with input volt-
ages from 3.5V to 36V while using only 50μA of quies-
cent current at no load. The switching frequency is
adjustable from 220kHz to 1MHz by an external resistor
and can be synchronized to an external clock up to
1.1MHz. The MAX16955 output voltage is pin program-
mable to be either 5V fixed, or adjustable from 1V to
10V. The wide input voltage range, along with its ability
to operate in dropout during undervoltage transients,
makes it ideal for automotive and industrial applications.
The MAX16955 operates in fixed-frequency PWM mode
and low quiescent current skip mode. It features an
enable logic input, which is compatible up to 42V to
disable the device and reduce its shutdown current to
10 μA. Protection features include overcurrent limit,
overvoltage, undervoltage, and thermal shutdown with
automatic recovery. The device also features a power-
good monitor to ease power-supply sequencing.
The MAX16955 is available in a thermally enhanced 16-
pin TSSOP package with exposed pad and is specified
for operation over the -40°C to +125°C automotive tem-
perature range.
Applications
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Wide 3.5V to 36V Input Voltage Range
42V Input Transient Tolerance
High Duty Cycle During Undervoltage Transients
220kHz to 1MHz Adjustable Switching Frequency
Current-Mode Control Architecture
Adjustable (1V to 10V) Output Voltage with ±2%
Accuracy
Three Operating Modes
50μA Ultra-Low Quiescent Current Skip Mode
Forced Fixed-Frequency Mode
External Frequency Synchronization
Lowest BOM Count, Current-Mode Control
Architecture
Power-Good Output
Enable Input Compatible from 3.3V Logic Level to
42V
Current-Limit, Thermal Shutdown, and
Overvoltage Protection
-40°C to +125°C Automotive Temperature Range
Automotive Qualified
Typical Operating Circuit
Automotive
Industrial
V BAT
C IN
SUP
DH
C BST
NH
Military
COMP
BST
L
Point of Load
Ordering Information
R COMP
C COMP1
C COMP2
MAX16955
LX
PART
MAX16955AUE+
TEMP RANGE
-40°C to +125°C
PIN-PACKAGE
16 TSSOP-EP*
PGOOD
EN
DL
PGND
NL
R SENSE
MAX16955AUE/V+ -40°C to +125°C 16 TSSOP-EP*
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
R FOSC
FSYNC
FOSC
SGND
CS
OUT
FB
BIAS
C OUT
V OUT
5V
*EP = Exposed pad.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
C L
19-5781; Rev 3; 12/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16955EVKIT# | 功能描述:电源管理IC开发工具 MAX16955 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 |
| MAX16955EVKIT+ | 功能描述:电源管理IC开发工具 MAX16955 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 |
| MAX16956AUBA/V+T | 制造商:Maxim Integrated Products 功能描述:36V, 300MA, MINI BUCK CONVERTER WITH 2UA IQ - Tape and Reel |
| MAX16958GEE/V+ | 功能描述:模数转换器 - ADC 500mA Hi-Speed USB Protector RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX16958GEE/V+T | 功能描述:模数转换器 - ADC 500mA Hi-Speed USB Protector RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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