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| 型号： | MAX13256ATB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/17页 |
| 文件大小： | 0K |
| 描述： | IC TRANSFORMER HBRIDGE 10TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 半桥 |
| 输入类型： | 非反相 |
| 输出数： | 2 |
| 电流 - 输出 / 通道： | 300mA |
| 电流 - 峰值输出： | 可调式/可编程 |
| 电源电压： | 8 V ~ 36 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX13256ATB+TDKR |
MAX13256
36V H-Bridge Transformer
Driver for Isolated Supplies
Transformers for use with the device are typically wound
on a high-permeability magnetic core. To minimize radi-
ated electromagnetic emissions, select a toroid, pot core,
E/I/U core, or equivalent.
Low-Voltage Operation
The MAX13256 can be operated from an +8V supply by
decreasing the turns ratio of the transformer, or by design-
ing a voltage doubler circuit as shown in Figure 3B .
Optimum performance at +8V is obtained with fewer
turns on the primary winding since the ET product
requirement is lower than for a +24V supply. However,
any of the transformers for use with a +24V supply can
operate properly with a +8V supply. For a given power
level, the transformer currents are higher with a +8V
supply than with a +24V supply. Therefore, the DC resis-
tance of the transformer windings has a larger impact on
the circuit efficiency.
Diode Selection
The high switching speed of the MAX13256 necessitates
high-speed rectifiers. Ordinary silicon signal diodes
such as 1N914 or 1N4148 can be used for low-output
current levels (less than 50mA.) But at higher output cur-
rent levels, their reverse recovery times might degrade
efficiency. At higher output currents, select low forward-
that the average forward current rating for the rectifier
diodes exceeds the maximum load current of the circuit.
For surface-mount applications, Schottky diodes such as
the BAT54, MBRS140, and MBRS340 are recommended.
Capacitor Selection
Input Bypass Capacitor
Bypass the supply pin to GND with a 1 F F ceramic
capacitor as close as possible to the device. The equiva-
lent series resistance (ESR) of the input capacitors is not
as critical as for the output filter capacitors. Typically
ceramic X7R capacitors are adequate.
Output Filter Capacitor
In most applications, the actual capacitance rating of the
output filter capacitors is less critical than the capacitor’s
ESR. In applications sensitive to output-voltage ripple,
the output filter capacitor must have low ESR. For optimal
performance, the capacitance should meet or exceed
the specified value over the entire operating temperature
range. Capacitor ESR typically rises at low temperatures;
however, OS-CON capacitors can be used at tempera-
tures below 0 N C to help reduce output-voltage ripple in
sensitive applications. In applications where low output-
voltage ripple is not critical, standard ceramic 0.1 F F
capacitors are sufficient.
voltage Schottky diodes to improve efficiency. Ensure
Suggested External Component Manufacturers
Table 1. Component Manufacturers
MANUFACTURER
Central Semiconductor
Halo Electronics
Kemet
Sanyo
Taiyo Yuden
TDK
Maxim Integrated
COMPONENT
Diodes
Transformers
Capacitors
Capacitors
Capacitors
Capacitors
WEBSITE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13256ETB+T | 制造商:Maxim Integrated Products 功能描述: |
| 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 |
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