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| 型号： | MAX13256EVKIT# |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX13256 |
| 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，隔离 |
| 输出电压： | 6.8 ~ 34.8 V |
| 电流 - 输出： | 300mA |
| 输入电压： | 8 ~ 36 V |
| 稳压器拓扑结构： | 全桥式 |
| 频率 - 开关： | 425kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX13256 |
EVALUATION KIT AVAILABLE
AVAILAB
LE
EVALUATION KIT AVAILABLE
MAX13256
36V H-Bridge Transformer
Driver for Isolated Supplies
General Description
The MAX13256 H-bridge transformer driver provides a
simple solution for making isolated power supplies up to
10W. The device drives a transformer’s primary coil with
up to 300mA of current from a wide 8V to 36V DC sup-
ply. The transformer’s secondary-to-primary winding ratio
defines the output voltage, allowing selection of virtually
any isolated output voltage.
The device features adjustable current limiting, allowing
indirect limiting of secondary-side load currents. The cur-
rent limit of the MAX13256 is set by an external resistor. A
FAULT output asserts when the device detects an overtem-
perature or overcurrent condition. In addition, the device
features a low-power mode to reduce the overall supply
current to 0.65mA (typ) when the driver is not in use.
The device can be operated using the internal oscillator
or driven by an external clock to synchronize multiple
MAX13256 devices and precisely set the switching fre-
quency. Internal circuitry guarantees a fixed 50% duty
cycle to prevent DC current flow through the transformer,
regardless of which clock source is used.
The device is available in a small 10-pin (3mm x 3mm)
TDFN package and is specified over the -40 N C to +125 N C
automotive temperature range.
Functional Diagrams
+ 24 V
1μF
V DD
4.6k I
Benefits and Features
S Simple, Flexible Design
? 8V to 36V Supply Range
? Up to 90% Efficiency
? Provides Up to 10W to the Transformer
? Undervoltage Lockout
? 2.5V to 5V Compatible Logic Interface
? Internal or External Clock Source
? Adjustable Overcurrent Threshold
S Integrated System Protection
? Fault Detection and Indication
? Overcurrent Limiting
? Overtemperature Protection
S Saves Space on Board
? Small 10-Pin TDFN Package (3mm x 3mm)
Applications
Power Meters
Isolated Fieldbus Interfaces
24V PLC Supply Isolation
Medical Equipment
Motor Controls
Ordering Information appears at end of data sheet.
Typical Operating Circuit
FAULT
EN
CLK
MAX13256
ST1
ITH
ST2
0.1μF ISOLATED
V OUT
R LIM
GND
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX13256.related
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim integrated .com.
19-5847; Rev 1; 8/11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13256EVKIT# | 功能描述:电源管理IC开发工具 36V Transformer Driver 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 |
| MAX1325ECM | 功能描述:模数转换器 - ADC 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 |
| MAX1325ECM+ | 功能描述:模数转换器 - ADC 14-Bit 4Ch 526ksps 3V Precision ADC 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 |
| MAX1325ECM+T | 功能描述:模数转换器 - ADC 14-Bit 4Ch 526ksps 3V Precision ADC 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 |
| MAX1325ECM-T | 功能描述:模数转换器 - ADC 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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