MAX687 PDF Datasheet
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Description
This is High-Accuracy / Low-Dropout Linear Regulators. 19-0329; Rev 0; 12, 94
NUAL KIT MA ATION U EET L H A S V A E T WS DA FOLLO
High-Accuracy, Low-Dropout Linear Regulators
____________________________Features
o Fixed Outputs: 3.3V (MAX687, MAX688) 3.0V (MAX689) o Directly Drives External PNP Transistor o 10mA Min Base-Current Drive for >1A Output o Low Dropout Voltage: 100mV Dropout at 650mA Output (FZT749) 40mV Dropout at 200mA Output (FZT749) 0.8V Dropout at 4A Output o Power-Fail Output Monitors the Output Voltage o Automatic, Latched Shutdown when Output Falls Out of Regulation (MAX687) o Precision Threshold Shutdown Control (MAX688, MAX689) o Low Supply Current: 150 A Operating <1 A Shutdown o 2.7V to 11.0V Supply Range o 8-Pin DIP, SO, MAX Packages o <2mV Line Transient with 3.4V to 3.6V Input o Output Accuracy <±2%
_______________General Description
The MAX687, MAX688, MAX689 low-dropout linear regulators operate with an input-to-output voltage differential limited only by an external PNP transistor. Outputs are fixed at 3.3V.