FAN5362 Fairchild Semiconductor, FAN5362 Datasheet
FAN5362
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FAN5362 Summary of contents
Page 1
... For applications that require minimum ripple or fixed frequency, PFM mode can be disabled using the MODE pin. The FAN5362 is available in 6-bump, 0.4mm pitch, Wafer- Level Chip-Scale Package (WLCSP) and 6-Lead 2 x 2mm Ultrathin Molded Leadless Package (UMLP). ...
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... GND VIN © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 Output Current (mA) Temperature Range 750 500 500 500 500 500 500 Murata LQM21PN1R0MC0 Murata GRM155R60J225ME15 GRM188R60J225KE19D Murata GRM188R60J475M Murata GRM188R60J106ME47D Logic 1 on this pin forces the IC to stay in PWM mode. Logic 0 allows the IC to automatically switch to PFM during light loads ...
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... JEDEC standard JESD51. Special attention must be paid not to exceed junction temperature given ambient temperature T J(max) Symbol Parameter Junction-to-Ambient Thermal Resistance JA © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 Parameter Human Body Model per JESD22-A114 Charged Device Model per JESD22-C101 Parameter . A WLSCP UMLP 3 Min ...
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... Limited by the effect of t minimum (see Figure 8 in Typical Performance Characteristics). OFF 6. The Electrical Characteristics table reflects open-loop data. Refer to the Operation Description and Typical Characteristics for closed-loop data. © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0 2.7V to 5.5V (AUTO Mode MODE = 25° ...
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... Hysteresis 200 150 Always PFM 100 3.5 4 Input Voltage(V) Figure 9. PFM / PWM Boundaries © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 =0 (AUTO), V =2.9V, C MODE OUT OUT 2.910 2.905 2.900 2.895 VIN = 3.2, Mode=0 VIN = 3.6, Mode=0 VIN = 4.2, Mode=0 2.890 VIN = 3.2, Mode=1 VIN = 3 ...
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... IN EN Figure 11. PFM to PWM Transition at V Figure 13. PFM to PWM Transition at V Figure 15. Regular Switching to 100% Duty Cycle Transition at V =3.2V, 5µs/div. IN © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 =0 (AUTO), V =2.9V, C MODE OUT OUT V OUT I L =3.2V, 10µs/div. Figure 12. PWM to PFM Transition at V ...
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... OUT LOAD Figure 21. Load Transient 50mA to 250mA =100ns, 5µs/div. RISE FALL © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 =0 (AUTO), V =2.9V, C MODE OUT =V with 500mA Load, Figure 18. Startup and Shutdown through =3.2V to 4.2V, Figure 20. Load Transient 0mA to 150mA =10µ ...
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... EN V OUT LOAD Figure 23. Load Transient 50mA to 250mA =100ns, 5µs/div. RISE FALL Figure 25. Startup Ramping V © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 =0 (AUTO), V =2.9V, C =10µF, and T MODE OUT OUT =3V, Figure 24. Load Transient 150mA to 400mA OUT I ...
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... For very light loads, the FAN5362 operates in discontinuous current (DCM) single-pulse PFM mode, which produces low output ripple compared with other PFM architectures. ...
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... DCR. Inductor Current Rating The FAN5362’s current limit circuit can allow a peak current of 1.25A to flow through L1 under worst-case conditions possible for the load to draw that much continuous current, the inductor should be capable of sustaining that current or failing in a safe manner ...
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... There are only three external components: the inductor, input capacitor, and the output capacitor. For any buck switcher IC, including the FAN5362 important to place a low-ESR input capacitor very close to the IC, as shown in Figure 26. The input capacitor ensures good input decoupling, which ...
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... 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’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0 ...
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... 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’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2009 Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0 2.0 0.50 ...
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... Fairchild Semiconductor Corporation FAN5362 • Rev. 1.0.4 14 www.fairchildsemi.com ...