FAN5902 Fairchild Semiconductor, FAN5902 Datasheet
![no-image](/images/manufacturer_photos/0/2/252/fairchild_semiconductor_sml.jpg)
FAN5902
Related parts for FAN5902
FAN5902 Summary of contents
Page 1
... RFPA gain deviation. The FAN5902 offers fast transition times, allowing changes to the output voltage in less than 20µs. The FAN5902 operates at 6MHz, enabling the use of a small, low-value inductor of 470nH. A current-mode control loop with fast transient response ensures excellent line and load regulation ...
Page 2
... BATT 2. 5.5V BPE VCON Base Process or © 2009 Fairchild Semiconductor Corporation FAN5902 • Rev. 1.0.2.short PVIN VOUTSNS PVIN VOUTSNS AVIN FAN5902 BPE N SYNC EN VCON Figure 1. FAN5902 Circuit DCDC 50m Bypass Slew Controller Switcher Controller ...
Page 3
... SYNC PGND SW PVIN (*) Pinout available upon request © 2009 Fairchild Semiconductor Corporation FAN5902 • Rev. 1.0.2.short Description Analog ground, reference ground for the IC. Follow PCB routing notes for connecting this pin. Output voltage sense pin. Connect to V regulation. Enables switcher when HIGH, shutdown mode when LOW. This pin should not be left floating ...
Page 4
... Thermal Resistance, Junction-to-Ambient, measured according to JEDEC 2S2P PCB (and zero air flow). θ JEDEC 1S0P PCB (and zero air flow) = 210°C/W. 5. Maximum power dissipation is a function of T allowable ambient temperature is P © 2009 Fairchild Semiconductor Corporation FAN5902 • Rev. 1.0.2.short Parameter (1) MLP Package (1) WLCSP Package ...
Page 5
... FAN5902 BAT 15 30 [dBm] Figure 6. Comparison of RFPA Power Added Figure 8. Rise Times for 300mV, 500mV, and 2V OUT =3.7V PAE with FAN5902 PAE without FAN5902 [dBm] OUT Efficiency with and without FAN5902 Δ 2.2µF (V =3.7V) OUT OUT IN 30 www.fairchildsemi.com ...
Page 6
... 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 FAN5902 • Rev. 1.0.2.short A 3.50 B 3.00 ...
Page 7
... 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 FAN5902 • Rev. 1.0.2.short A (Ø0.25 PAD D 0 ...
Page 8
... Fairchild Semiconductor Corporation FAN5902 • Rev. 1.0.2.short 8 www.fairchildsemi.com ...