A8698ELJ-T Allegro Microsystems Inc, A8698ELJ-T Datasheet
A8698ELJ-T
Specifications of A8698ELJ-T
Related parts for A8698ELJ-T
A8698ELJ-T Summary of contents
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Wide Input Voltage 3.0 A Step Down Regulator Features and Benefits ▪ input range ▪ Integrated DMOS switch ▪ Adjustable fixed off-time ▪ Highly efficient ▪ Adjustable 0 output Package: 8-Lead SOIC with ...
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... Package (°C/ Additional information is available on the Allegro website. Ordering Information Use the following complete part numbers when ordering: a Part Number A8698ELJTR-T a Leadframe plating 100% matte tin. b Contact Allegro for additional packing options. Wide Input Voltage 3.0 A Step Down Regulator Symbol Conditions V ...
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A8698 BOOT V IN ENB μC TSET GND VBB UVLO TSD Wide Input Voltage 3.0 A Step Down Regulator Functional Block Diagram Boot Charge – Switch PWM Control Switch Disable Clamp + – – I_Peak I_Demand Error COMP Soft Start ...
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A8698 ELECTRICAL CHARACTERISTICS Characteristics VIN Quiescent Current VBIAS Input Current Buck Switch On Resistance Fixed Off-Time Proportion Feedback Voltage Output Voltage Regulation Feedback Input Bias Current Soft Start Time Buck Switch Current Limit ENB Open Circuit Voltage ENB Input Voltage ...
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A8698 Start-up t Power Off V t Detail: Step Up Transient Response 3 OUT 1. Wide Input Voltage 3.0 A Step Down Regulator Performance Characteristics V ; 2.00 ...
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A8698 Load Regulation 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 0 0.5 1.0 1.5 Load Current (A) Wide Input Voltage 3.0 A Step Down Regulator 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 –0.6 2.0 2.5 3.0 9 Line Regulation ...
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A8698 The A8698 is a fixed off-time, current-mode–controlled buck switching regulator. The regulator requires an external clamping diode, inductor, and filter capacitor, and operates in both continu- ous and discontinuous modes. An internal blanking circuit is used to filter out ...
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A8698 is the on-resistance of the switching MOSFET. R DS(on) The switching frequency is calculated as follows Shorted Load. If the voltage on the FB pin falls below 0.4 V, the regulator ...
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A8698 the connection. The R should be much larger than the feedback r resistor to prevent any potential offset in output voltage. For example < 10 kΩ, R should be 1 MΩ based on the ...
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A8698 Efficiency versus Load Current Stabilized with low ESR capacitor 100 0.5 1.0 1.5 Load Current (A) Silkscreen Layer Top and Silkscreen Layers Wide Input Voltage 3.0 A Step ...
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A8698 Evaluation Board Bill of Materials Designator Quantity C1.1 1 Ceramic chip, 22 μ ±20%, X5R. C1.2, C1.3 2 Aluminum electrolytic capacitor μF, 930 C2 1 Ceramic capacitor, X7R, ±10%, 0.1 μ ...
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A8698 Package LJ 8-Pin SOIC 8X 0.10 [.004] 8X Pin-out Diagram BOOT 1 8 VIN ENB Pad TSET 3 6 VBIAS GND (Top View) The products described herein are man u fac tured under ...