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ADP323 Datasheet

Part Number ADP323
Manufacturers Analog Devices
Logo Analog Devices
Description High PSRR Voltage Regulator
Datasheet ADP323 DatasheetADP323 Datasheet (PDF)

Data Sheet FEATURES Fixed (ADP322) and adjustable output (ADP323) options Bias voltage range (VBIAS): 2.5 V to 5.5 V LDO input voltage range (VIN1/VIN2, VIN3): 1.8 V to 5.5 V Three 200 mA low dropout voltage regulators (LDOs) 16-lead, 3 mm × 3 mm LFCSP Initial accuracy: ±1% Stable with 1 µF ceramic output capacitors No noise bypass capacitor required 3 independent logic controlled enables Overcurrent and thermal protection Key specifications High PSRR 76 dB PSRR up to 1 kHz 70 dB PSRR at 10 kHz .

  ADP323   ADP323






Part Number ADP3293
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Programmable 2- to 3-Phase Synchronous Buck Controller
Datasheet ADP323 DatasheetADP3293 Datasheet (PDF)

ADP3293 8-Bit, Programmable 2- to 3-Phase Synchronous Buck Controller The ADP3293 is a highly efficient, multi−phase, synchronous buck switching regulator controller optimized for converting a 12 V main supply voltage into the core supply voltage of high performance Intel processors. It uses an internal 8−bit DAC to read a voltage identification (VID) code directly from the processor, to set the output voltage between 0.5 V and 1.6 V. This device uses a multi−mode control architecture to drive .

  ADP323   ADP323







Part Number ADP3290
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Programmable 2- to 4-Phase Synchronous Buck Controller
Datasheet ADP323 DatasheetADP3290 Datasheet (PDF)

ADP3290 8-Bit, Programmable 2- to 4-Phase Synchronous Buck Controller The ADP3290 is a highly efficient, multi−phase, synchronous buck switching regulator controller optimized for converting a 12 V main supply voltage into the core supply voltage of high performance Intel processors. It uses an internal 8−bit DAC to read a Voltage Identification (VID) code directly from the processor, to set the output voltage between 0.5 V and 1.6 V. This device uses a multi−mode control architecture to drive .

  ADP323   ADP323







Part Number ADP322
Manufacturers Analog Devices
Logo Analog Devices
Description High PSRR Voltage Regulator
Datasheet ADP323 DatasheetADP322 Datasheet (PDF)

Data Sheet FEATURES Fixed (ADP322) and adjustable output (ADP323) options Bias voltage range (VBIAS): 2.5 V to 5.5 V LDO input voltage range (VIN1/VIN2, VIN3): 1.8 V to 5.5 V Three 200 mA low dropout voltage regulators (LDOs) 16-lead, 3 mm × 3 mm LFCSP Initial accuracy: ±1% Stable with 1 µF ceramic output capacitors No noise bypass capacitor required 3 independent logic controlled enables Overcurrent and thermal protection Key specifications High PSRR 76 dB PSRR up to 1 kHz 70 dB PSRR at 10 kHz .

  ADP323   ADP323







Part Number ADP3212A
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Mobile CPU Synchronous Buck Controller
Datasheet ADP323 DatasheetADP3212A Datasheet (PDF)

ADP3212A, NCP3218A 7-Bit, Programmable, 3-Phase, Mobile CPU Synchronous Buck Controller The APD3212A/NCP3218A is a highly efficient, multi−phase, synchronous buck switching regulator controller. With its integrated drivers, the APD3212A/NCP3218A is optimized for converting the notebook battery voltage into the core supply voltage required by high performance Intel processors. An internal 7−bit DAC is used to read a VID code directly from the processor and to set the CPU core voltage to a value.

  ADP323   ADP323







High PSRR Voltage Regulator

Data Sheet FEATURES Fixed (ADP322) and adjustable output (ADP323) options Bias voltage range (VBIAS): 2.5 V to 5.5 V LDO input voltage range (VIN1/VIN2, VIN3): 1.8 V to 5.5 V Three 200 mA low dropout voltage regulators (LDOs) 16-lead, 3 mm × 3 mm LFCSP Initial accuracy: ±1% Stable with 1 µF ceramic output capacitors No noise bypass capacitor required 3 independent logic controlled enables Overcurrent and thermal protection Key specifications High PSRR 76 dB PSRR up to 1 kHz 70 dB PSRR at 10 kHz 60 dB PSRR at 100 kHz 40 dB PSRR at 1 MHz Low output noise 24 µV rms typical output noise at VOUT = 1.2 V 43 µV rms typical output noise at VOUT = 2.8 V Excellent transient response Low dropout voltage: 110 mV at 200 mA load 85 µA typical ground current at no load, all LDOs enabled 100 µs fast turn on circuit Guaranteed 200 mA output current per regulator −40°C to +125°C junction temperature APPLICATIONS Mobile phones Digital cameras and audio devices Portable and battery-powered equipment Portable medical devices Post dc-to-dc regulation GENERAL DESCRIPTION The ADP322/ADP323 200 mA triple output LDOs combine high PSRR, low noise, low quiescent current, and low dropout voltage to extend the battery life of portable devices and are ideally suited for wireless applications with demanding performance and board space requirements. The ADP322/ADP323 PSRR is greater than 60 dB for frequencies as high as 100 kHz while operating with a low headroom voltage. The ADP322/ADP323 offer much lower n.


2011-04-13 : TB0490A    TB0492A    TB0496A    TB0497A    CE5037    ADP320    ADP322    ADP323    D78F4218    MLS900B   


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