ADP3157JR-REEL

ADP3157JR-REEL, programmable synchronous controller, 5 V, 5.5 mA, 165 mV, 500 kHz, SOIC

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Price:: US $1.06~1.06 / piece [Get Latest Price]

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PartNumber:: ADP3157JR-REEL

Brand:: Analog Devices - AD | Pack: SOIC | D/C: 99+

Availability:: Supply Ability: 100/Month Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2013-07-04

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Part Number:ADP3157JR-REEL
US $1.06 - 1.06
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Product Summary

The ADP3157JR-REEL is a highly efficient synchronous buck switching regulator controller optimized for converting the 5 V main supply into the core supply voltage required by the Pentium III and other high performance processors. The ADP3157JR-REEL uses an internal 5-bit DAC to read a voltage identification (VID) code directly from the processor, which is used to set the output voltage between 1.3 V and 3.5 V. The ADP3157JR-REEL uses a current mode, constant off-time architecture to drive two external Nchannel MOSFETs at a programmable switching frequency that can be optimized for size and efficiency. Applications are (1)Pentium II and Pentium III Processor Families; (2)AMD-K6 Processors; (3)VRM Modules.

Parametrics

ADP3157JR-REEL absolute maximum ratings: (1)Input Supply Voltage (VCC): –0.3 V to +16 V; (2)VID0–VID4, SD, PWRGD, CMP, CT.–0.3 V to VCC; (3)DRIVE1, DRIVE2, SENSE+, SENSE: –0.3 V to VCC; (4)Operating Ambient Temperature Range: 0°C to +70°C; (5)Junction Temperature Range: 0°C to +150°C; (6)qJA: 110°C/W; (7)Storage Temperature Range: –65°C to +150°C; (8)Lead Temperature (Soldering, 10 sec): +300°C.

Features

ADP3157JR-REEL features: (1)Active Voltage Positioning with Gain and Offset Adjustment; (2)Optimal Compensation for Superior Load Transient Response; (3)VRM 8.2, VRM 8.3 and VRM 8.4 Compliant; (4)5-Bit Digitally Programmable 1.3 V to 3.5 V Output; (5)Dual N-Channel Synchronous Driver; (6)Total Output Accuracy 61% Over Temperature; (7)High Efficiency, Current-Mode Operation; (8)Short Circuit Protection; (9)Overvoltage Protection Crowbar Protects Microprocessors with No Additional External Components; (10)Power Good Output; (11)SO-16 Package.