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MAX845ESA+
芯片, 变压器驱动器, SMD, SOIC8, 845
产品概述
The MAX845ESA+ is an Isolated Transformer Driver for PCMCIA applications. The MAX845 provides an isolated power supply small enough to fit in thin PCMCIA cards and space-sensitive applications. It drives a low-profile centre-tapped transformer primary from a 5 or 3.3VDC power supply. The secondary can be wound to provide any isolated positive or negative voltage at powers up to 750mW. The MAX845 consists of an oscillator followed by a toggle flip-flop. The flip-flop generates two 50% duty-cycle square waves, which are complementary at half the oscillator frequency (450kHz, minimum). These two signals drive the ground-referenced N-channel power switches. Internal circuitry ensures break-before-make action between the two switches. A low-power shutdown disables both the switches and the oscillator, reducing power consumption.
- 450kHz Minimum switching frequency
- Ultralow input supply current ripple
- 5µW Low-power shutdown mode
- Low output ripple permits miniature output capacitors
- Bridge Ground Differentials; Isolated Data Acquisition; Isolated Interface Power Supply;
- Low-Power LAN Networks; Medical Equipment; Noise-Immunity Communications Interface; PCMCIA Modem Cards; Process Control
应用
测试与测量, 电源管理, 通信与网络, 医用, 自动化与过程控制
警告
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
产品信息
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| 数量 | 单价（含增值税） | 您所支付金额（含增值税） |
|---|---|---|
| 1+ | CNY34.71 (CNY39.22) | ( ) |
| 10+ | CNY31.16 (CNY35.21) | ( ) |
| 25+ | CNY29.45 (CNY33.28) | ( ) |
| 100+ | CNY24.22 (CNY27.37) | ( ) |
| 250+ | CNY21.78 (CNY24.61) | ( ) |
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