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参数资料
| 型号： | MAX13256EVKIT# |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/17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
Functional Diagram
V DD
V DD
MAX13256
UVLO
P
ST1
OSC
V UVLO
N
CLK
MUX
FLIP-
FLOP
MOSFET
H-BRIDGE
DRIVER
V DD
P
EN
ITH
WATCHDOG
CURRENT
LIMIT
N
ST2
FAULT
GND
Detailed Description
The MAX13256 is an integrated primary-side controller
and H-bridge driver for isolated power-supply circuits.
The device contains an on-board oscillator, protec-
tion circuitry, and internal MOSFETs to provide up to
300mA of current to the primary winding of a trans-
former. The device can be operated using the internal
oscillator or driven by an external clock to synchronize
multiple MAX13256 devices and control EMI behavior.
Regardless of the clock source being used, an internal
flip-flop stage guarantees a fixed 50% duty cycle to
prevent DC current flow in the transformer as long as the
period of the clock is constant.
The device operates from a wide single-supply voltage
of 8V to 36V, and includes undervoltage lockout for con-
trolled startup. The device features break-before-make
Maxim Integrated
switching to prevent cross conduction of the H-bridge
MOSFETs. An external resistor sets an overcurrent limit,
allowing primary-side limiting of load currents on the
transformer’s secondary side. Thermal-shutdown cir-
cuitry provides additional protection against excessive
power dissipation.
Isolated Power Supply
The MAX13256 allows a versatile range of secondary-
side rectification circuits (see Figure 3 ). The primary-to-
secondary transformer winding ratio can be chosen to
adjust the isolated output voltage. The device delivers
up to 300mA of current to the transformer with a supply
up to +36V.
The MAX13256 provides the advantages of the H-bridge
converter topology, including multiple isolated outputs,
step-up/step-down or inverted output, relaxed filtering
requirements, and low output ripple.
8
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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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