ADP3156JR-1.8 Analog Devices Inc, ADP3156JR-1.8 Datasheet
ADP3156JR-1.8
Specifications of ADP3156JR-1.8
Related parts for ADP3156JR-1.8
ADP3156JR-1.8 Summary of contents
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FEATURES Active Voltage Positioning with Gain and Offset Adjustment Optimal Compensation for Superior Load Transient Response Fixed 1.5 V, 1.8 V and 2.5 V Output Versions Dual N-Channel Synchronous Driver On-Board Linear Regulator Controller Total Output Accuracy 1% Over ...
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ADP3156–SPECIFICATIONS Parameter OUTPUT ACCURACY ADP3156-1.5 V ADP3156-1.8 V ADP3156-2.5 V OUTPUT VOLTAGE LINE REGULATION 2 INPUT DC SUPPLY CURRENT Normal Mode Shutdown CURRENT SENSE THRESHOLD VOLTAGE C PIN DISCHARGE CURRENT T OFF-TIME DRIVER OUTPUT TRANSITION TIME POSITIVE POWER GOOD TRIP ...
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... ORDERING GUIDE Buck Converter Model Output Voltage ADP3156JR-1.5 1.5 V ADP3156JR-1.8 1.8 V ADP3156JR-2.5 2.5 V CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADP3156 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...
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ADP3156 100k ADP3156-1 SYSTEM 2 NC AGND IRL3103 6 V LDO 47pF 7 SENSE– SENSE +1. 1000 F R3 RTN 20k Figure 2. ADP3156 Typical ...
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V = 2.5V OUT V = 1.8V OUT 1.5V OUT 80 SEE FIGURE 2 75 0.5 1.5 2.5 3.5 4.5 5.5 6.5 OUTPUT CURRENT – Amps Figure 4. Efficiency vs. Output Current SEE FIGURE ...
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ADP3156 ADP3156 DRIVE1 CMP DRIVE2 1k C SENSE+ T SENSE– 4700pF AGND PGND OP27 100k 1.2V 0.1 F Figure 12. Closed-Loop Test Circuit for Accuracy THEORY OF OPERATION The ADP3156 uses a current-mode, constant-off-time control technique to ...
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During the standby operating state, the and 3.3 V power supply outputs are disabled, and only a low power 5 V rail (5VSB) is available. The circuits that must remain active in standby must be able ...
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ADP3156 The converter operates at the nominal operating frequency only at the V specified above, and at light load. At higher load OUT conditions, the operating frequency decreases due to the para- sitic voltage drops across the power devices. The ...
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A and an average short-circuit current of about 6.5 A—meaning that there is actually a small degree of short- circuit current foldback. To safely carry the maximum current, the sense resistor must have a power rating of ...
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ADP3156 Feedback Loop Compensation Design for Active Voltage Positioning Optimized compensation of the ADP3156 allows the best pos- sible containment of the peak-to-peak output voltage deviation. Any practical switching power converter is inherently limited by the inductor in its output ...
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Efficiency of the Linear Regulator The efficiency and corresponding power dissipation of the linear regulator are not determined by the ADP3156. Rather, these are a function of input and output voltage and load current. Effi- ciency is approximated by the ...
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ADP3156 9. Absolutely avoid crossing any signal lines over the switching power path loop, described below. Power Circuitry 10. The switching power path should be routed on the PCB to encompass the smallest possible area in order to minimize radiated ...