500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification Drivers

FEATURES • 12 V to 72 V input voltage range • Integrated half-bridge primary drivers (1 A drive capability) • Secondary synchronous signals with programmable deadtime delay • Voltage mode control • Voltage feedforward compensation • High voltage pre-regulator operates during start-up • Cu

Dual, 16–Bit, 1230 MSPS, TxDAC Digital-to-Analog Converter

FEATURES ► Flexible LVDS interface allows word, byte, or nibble load ► Single-carrier W-CDMA ACLR = 82 dBc at 122.88 MHz IF ► Analog output: adjustable 8.7 mA to 31.7 mA, RL = 25 Ω to 50 Ω ► Integrated 2×/4×/8× interpolator/complex modulator allows carrier placement anywhere in the DAC bandwi