FAN2106MPX Fairchild Semiconductor, FAN2106MPX Datasheet
FAN2106MPX
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FAN2106MPX Summary of contents
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... Computing Systems Point-of-Load Regulation Set-Top Boxes & Game Consoles Ordering Information Operating Part Number Temperature Range FAN2106MPX -10°C to 85°C FAN2106EMPX -40°C to 85°C For Fairchild’s definition of please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Description The FAN2106 TinyBuck™ ...
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... Typical Application Diagram Block Diagram © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Figure 1. Typical Application Figure 2. Block Diagram 2 www.fairchildsemi.com ...
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... No Connect. This pin is not used. Ramp Amplitude. A resistor (R 25 RAMP amplitude and provides voltage feedforward functionality. © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 BOOT ) from this pin to AGND can be used to program the current- ILIM ) from this pin to AGND sets the PWM switching ...
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... Typical thermal resistance when mounted on a four-layer, two-ounce PCB, as shown in Figure 26. Actual results are dependent on mounting method and surface related to the design. © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Conditions Conditions VCC to AGND VIN to PGND FAN2106MPX FAN2106EMPX Parameter P1 (Q2) P2 (Q1 25° Min ...
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... Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Conditions SW = Open 0.7V 5V 600KHz SW Shutdown Rising V CC Hysteresis R = 50KΩ 24KΩ T 16V , 1. 30KΩ, IN OUT 200KΩ RAMP FAN2106MPX 25°C A FAN2106EMPX 25° 5V 2.2V CC COMP 1.2V CC COMP V = 0.8V 25° Open 500KHz 1.8V, ILIM SW OUT R = 200KΩ ...
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... EN Pull-Up Resistance EN Discharge Current FB OK Drive Resistance PGOOD Threshold (Compared REF PGOOD Output Low Note: 2. Specifications guaranteed by design and characterization; not production tested. 3. See Figure 4 for Temperature Coefficient © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 (Continued) Conditions Auto-Restart Mode, V ...
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... R T Figure 6. Frequency vs. R 1.60 1.40 1.20 1.00 0.80 0.60 -50 0 Temperature ( Figure 8. R vs. Temperature, Normalized © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 1.20 1.10 1.00 0.90 0.80 50 100 150 - vs. Temperature, Figure 5. Reference Bias Current (I FB 1.02 1.01 1.00 ...
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... OUT 100 =12V IN 80 300KHz Load (A) Figure 13. 1.8V Efficiency Over Frequency vs. OUT Load (Circuit Value Changes) © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 FAN2106 Figure 10. Application Circuit: 1.8V 1400 1200 1000 800 600 18V IN 400 200 vs. Load Figure 12. 1.8V ...
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... Typical Performance Characteristics Typical operating characteristics using the circuit shown in Figure 10. V Figure 15. SW and V OUT Figure 17. Transient Response, 2-6A Load EN Figure 19. Startup, 3A Load © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 (Continued) V OUT SW Ripple, 6A Load Figure 16. Startup with 1V Pre-Bias on V ...
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... To avoid skipping the soft-start cycle necessary to apply V before V reaches its UVLO threshold. Normal IN CC sequence for powering up would be VIN VCC EN. © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Soft-start time is a function of switching frequency. LIM is ≤ 1KΩ, the BIAS Cycling V and resets the IC ...
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... Thresholds are specified Specifications section. PGOOD does not assert HIGH until the fault latch is enabled (T1.0) (see Figure 22). © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Application Information Bias Supply The FAN2106 requires a 5V supply rail to bias the IC and provide gate-drive energy. Connect a ≥ 1.0µf X5R or X7R decoupling capacitor between VCC and PGND ...
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... ILIM RAMP point varies slightly in an inverse relationship with respect to input voltage ( © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 (4) ILIM (5) The ILIM pin can source a 10µA current that can be used to establish a lower, temperature-dependent, current-limit threshold by connecting an external ...
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... IN Application note AN-8022 (TinyCalc™) calculate the compensation components. © 2009 Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 Recommended PCB Layout value, the modulator Good PCB layout and careful attention to temperature rise is essential for reliable operation of the regulator. ...
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... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...
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... Fairchild Semiconductor Corporation FAN2106 • Rev. 1.1.0 15 www.fairchildsemi.com ...