FEATURES
Power input voltage as low as 2.75 V to 20 V Bias supply voltage range: 2.75 V to 5.5 V Minimum output voltage: 0.8 V 0.8 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1883 only) Resistor-programmable current-sense gain Thermal overload protection Short-circuit protection Precision enable input Integrated bootstrap diode for high-side drive 140 μA shutdown supply current Starts into a precharged load Small, 10-lead MSOP package TYPICAL APPLICATIONS
CIRCUIT VIN = 2.75V TO 20V CC RTOP RC CC2 VIN ADP1882/ ADP1883 COMP/EN BST CBST FB DRVH SW CIN VOUT Q1 L VOUT RBOT GND CVDD2 VDD COUT Q2 RRES LOAD DRVL PGND Figure 1. 100 95 90 85 80 EFFICIENCY (%) APPLICATIONS
Telecom and networking systems Mid to high end servers Set-top boxes DSP core power supplies VDD = 5.5V, VIN = 13.0V VDD = 5.5V, VIN = 16.5V VDD = 5.5V, VIN = 5...
Analog Devices
