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ADP2114,pdf datasheet (Synchro

消耗积分:3 | 格式:rar | 大小:433 | 2009-08-22

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The ADP2114 is a versatile, synchronous step-down, switching regulator that satisfies a wide range of customer point-of-load requirements. The two PWM channels can be configured to deliver independent outputs at 2 A and 2 A (or 3 A/1 A) or can be configured as a single interleaved output capable of delivering 4 A. The two PWM channels are 180º phase shifted to reduce input ripple current and to reduce input capacitance.
The ADP2114 provides high efficiency and operates at switching frequencies of up to 2 MHz. At light loads, the ADP2114 can be set to operate in pulse skip mode for higher efficiency or in forced PWM mode to reduce EMI.
The ADP2114 is designed with an optimized gate slew rate to reduce EMI emissions, allowing it to power sensitive, high performance signal chain circuits. The switching frequency can be set to 300 kHz, 600 kHz, or 1.2 MHz and can be synchronized to an external clock that minimizes the system noise. The bidirectional synchronization pin is also configurable as a 90° out-of-phase output clock, providing the possibility for a stackable multiphase power solution.
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