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参数资料
| 型号： | MAX13256EVKIT# |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/17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 |
MAX13256
36V H-Bridge Transformer
Driver for Isolated Supplies
Output-Voltage Regulation
For many applications, the unregulated output of the
MAX13256 meets the output-voltage tolerances. This
configuration represents the highest efficiency possible
with the device.
For applications requiring a regulated output voltage, Maxim
provides several solutions. In the following examples, assume
a tolerance of Q 10% for the input voltage.
When the load currents on the transformer’s secondary
side are low, the output voltage can strongly increase.
If operation under low load currents is expected, output-
voltage limiting should be used to keep the voltage within
the tolerance range of the subsequent circuitry. If the min-
imum output load current is less than approximately 5mA,
+24V
connect a zener diode from the output node to ground as
shown in Figure 6 to limit the output voltage to a safe value.
Example 1: +24V to Isolated, Regulated +3.3V
In Figure 6 , the MAX13256 feeds approximately +4.4V to the
input of an LDO through a TGMR-502V6LF 4:1 transformer
and 4-diode bridge rectifier (see Figure 3C ). From this, a
MAX604 LDO produces a regulated +3.3V output at up
to 500mA.
Example 2: +24V to Isolated, Regulated +12V
In the circuit of Figure 7 , the MAX13256 feeds approxi-
mately +14.2V through a 1.5:1 transformer and a 4-diode
bridge rectifier (see Figure 3C ). From this, a MAX1659
LDO produces a regulated +12V output at up to 350mA.
1μF
V DD
TGMR-502V6LF
MBRS140 x 4
EN
MAX13256
ST1
MAX604
+
10μF +3.3V
CLK
ST2
4:1
10μF
-
GND
Figure 6. +24V to Isolated, Regulated +3.3V
+24V
1μF
V DD
MBRS140 x 4
EN
MAX13256
ST1
MAX1659
+
10μF +12V
CLK
ST2
1.5:1
1.0μF
-
GND
Figure 7. +24V to Isolated, Regulated +12V
Maxim Integrated
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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