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ADP3196

Part Number	ADP3196
Manufacturer	Analog Devices
Description	6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
Published	Nov 22, 2006
Detailed Description	www.DataSheet4U.com 6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller ADP3196 FEATURES Selectable 2-, 3-, or...
Datasheet	ADP3196 PDF File

Overview

www.
DataSheet4U.
com 6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller ADP3196 FEATURES Selectable 2-, 3-, or 4-phase operation at up to 1 MHz per phase ±10 mV worst-case differential sensing error over temperature Logic-level PWM outputs for interface to external high power drivers Enhanced PWM flex mode for excellent load transient performance Active current balancing between all output phases Built-in power-good/crowbar blanking supports on-the-fly VID code changes Digitally programmable 0.
3750 V to 1.
55 V output Programmable short-circuit protection with programmable latch-off delay FUNCTIONAL BLOCK DIAGRAM VCC 31 RT 12 RAMPADJ 13 SHUNT REGULATOR OSCILLATOR SET RESET EN 30 PWM1 19 OD UVLO SHUTDOWN GND 18 + CMP – 800mV – + CURRENT BALANCING CIRCUIT + CMP – + CMP – RESET 29 PWM2 EN 1 1.
8V CSREF – + RESET 2-/3-/4-PHASE DRIVER LOGIC 28 PWM3 + DAC – 250mV – + CMP – 27 PWM4 RESET CURRENT LIMIT PWRGD 2 DELAY CROWBAR 25 SW1 TTSENSE 10 24 SW2 THERMAL THROTTLING CO...

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