Power Solutions Guide
60Pages

P O W E R S O L U TI O N S Energy-efficient power analog, power discrete, and optoelectronic solutions that maximize energy savings in power sensitive applications

Fairchild’s Power Solutions As a global leader in power, Fairchild Semiconductor enables energy-efficient designs with a combination of advanced power technologies, brand reliability and unequaled customer support. We combine three core technologies—power analog, power discrete and optoelectronic—into unique solutions. Our functional, process and packaging innovations along with the industry’s best power systems expertise ensure that system-level efficiencies are realized, allowing maximum energy savings in power-sensitive designs. With one of the broadest and deepest power portfolios, you...

power factor correction pfc controllers Power Factor Correction (PFC) Stand-Alone and PFC/PWM Combo Controllers Fairchild’s full line of both stand-alone PFC controllers and PFC/PWM combo controllers offer crucial cost and energy saving solutions that address the demanding requirements of a diverse range of medium and high power Switch Mode Power Supply (SMPS) designs. • Offerings include both Boundary Conduction Mode (BCM) and Continuous Conduction Mode (CCM) • Synchronized clock output to reduce system noise and to synchronize to downstream converter • Patented one-pin voltage error...

power factor correction pfc controllers Stand-alone PFC Controllers Product Number FAN6982 Power Level Control Mode (1) Startup Current (µA) Operating Current (mA) UVLO Thresholds (V) Special Features(2) Package >300W CCM 30 2.3 9~11 Programmable frequency brownout protection power-on sequence control SOIC-14 FAN6961 75W to 400W BCM 10 4.5 12~9.5 OVP DIP-8, SOIC-8 FAN7527B 75W to 400W BCM 60 3 11.5~8.5 OVP DIP-8, SOIC-8 FAN7930 75W to 400W BCM 120 1.5 12 / 8.5 OVP, OFP, OCP, IVaD, UVLO SOIC-8 Interleaving PFC Controllers Power Level Control Mode (1) Startup Current (µA) Operating Current...

isolated dc-dc pwm controllers Pulse Width Modulator (PWM) Controllers Fairchild’s green-mode PWM controllers have a function to minimize the standby power consumption enabling power supplies to meet international energy regulation requirements. The green-mode function provides off-time modulation, which gradually decreases the switching frequency as the load drops under light load conditions. Under zero-load conditions, the power supply enters burst mode. Frequency PWM Frequency Fosc Fosc-GREEN V FB V V FB-G FB-N Frequency Decreasing Burst Mode Operation Diagram PWM Controllers Number of...

isolated dc-dc fairchild power switch (fps™) Fairchild’s FPS products cover a wide range of power supply applications—from small battery chargers to large televisions, up to 250W. These highly integrated FPS devices combine the functionality of a fully avalanche-rugged SenseFET, a current mode pulse width modulation (PWM) IC and various protection functions, to simplify design and improve system reliability. Fairchild’s FPS products provide the highest levels of efficiency to meet the standards as specified by international regulatory agencies. Green FPS™ Fairchild’s Green FPS™ provides...

isolated dc-dc fps–half-bridge resonant converters The FSFRxxxx family of highly integrated Green FPS™ products increases power efficiency and system reliability while reducing valuable design time in resonant converter designs. Offering a “system-in-a-package” approach that integrates everything necessary to build reliable and efficient resonant converters, this power switch family includes a pulsefrequency-modulation (PFM) controller with a high voltage gate driver circuit and two fast recovery MOSFETs (FRFET®) along with soft-start, burst-mode operation and important protection features...

fps–half-bridge resonant converters isolated dc-dc FSFA2100 FPS™ for Asymmetric Half-Bridge & Active-Clamp Topologies An integrated PWM controller and SuperFET™ MOSFET, the FSFA2100 is specifically designed for Zero-VoltageSwitching (ZVS) half-bridge converters requiring minimal external components. The internal controller includes an oscillator, under-voltage lock out, leading-edge blanking (LEB), optimized high-side and low-side gate driver, internal soft-start, temperature-compensated precise current sources for loop compensation and self-protection circuitry. Features & Benefits •...

Non-isolated dc-dc controllers and regulators Fairchild’s highly integrated non-isolated DC-DC controllers and regulators provide solutions for today’s market demands that require lower power consumption, highly efficient integrated functions and smaller packages. Features & Benefits (FAN21SV06 TinyBuck™ Controller) All-in-one TinyBuck regulator containing a controller, driver and fully optimized MOSFETs FAN21SV06 5V REG RRAMP VCC C4 • Up to 94% efficiency 15 1 13 • Up to 6A continuous current at 85° C EN RILIM ILIM RT • Output voltage from 0.8V to 90% VIN R(T) COMP • External...

non-isolated dc-dc controllers and regulators Controllers for DDR Applications Power Input Product Number Min. (V) Max. (V) FAN5026 3 16 FAN5236 3 24 PWM VOUT Min. (V) Max. (V) PWM Voltage Outputs (V) Package 2 0.9 15 Adj., Adj. TSSOP-28 2 0.9 15 Adj., Adj. QSOP-28 TSSOP-28 Min. (V) Max. (V) PWM Voltage Outputs (V) Package Number of PWM Outputs Controllers for Notebook Applications Power Input Product Number Number of PWM Outputs PWM VOUT Min. (V) Max. (V) FAN5234 3 24 1 0.9 15 Adj. QSOP-16 TSSOP-16 FAN5236 3 24 2 0.9 15 Adj. QSOP-28 TSSOP-28 Synchronous and Asynchronous Boost Regulators...

Power drivers high voltage gate drivers (hvics) Fairchild’s high voltage gate drivers (HVICs) improve system reliability by utilizing an innovative common-mode dv/dt noise cancelling circuit that provides excellent noise immunity. With a voltage capability up to 600V and a very fast switching speed (dv/dt=50V/ns (Max.), these drivers are optimal for driving MOSFETs and IGBTs in a wide array of applications. Features & Benefits • Better noise immunity (due to noise cancelling circuit over high dv/dt common-mode noise) • Matched propagation delay below 50ns • UVLO functions for both channels...