KSA1281 Audio Power Amplifier • Collector Power Dissipation : PC=1W • 3 Watt Output Application TO-92L 1 1. Emitter 2. Collector 3. Base Absolute Maximum Ratings* T =25°C unless otherwise noted a Symbol Parameter Value Units V CBO Collector-Base Voltage -50 V V CEO Collector-Emitter Voltage -50 V V EBO Emitter-Base Voltage -5 V IC Collector Current (DC) -2 A PC Collector Dissipation (TC=25°C) 1 W TJ Junction Temperature 150 °C TSTG Storage Temperature -55 ~ 150 °C * These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 150°C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Electrical Characteristics* Symbol T a = 25°C unless otherwise noted Parameter Test Conditions Min. Typ. Max. Units BV CBO Collector-Base Breakdown Voltage IC= -100, IE=0 -50 V BV CEO Collector-Emitter Breakdown Voltage IC= -10mA, IB=0 -50 V BV EBO Emitter-Base Breakdown Voltage IE= -1mA, IC=0 -5 V ICBO Collector Cut-off Current VCB= -50V, IE=0 -100 nA IEBO Emitter Cut-off Current VEB= -5V, IC=0 -100 nA hFE1 hFE2 DC Current Gain VCE= -2V, IC= -500mA VCE= -2V, IC= -1.5A V BE (sat) Base-Emitter Saturation Voltage IC= -1A, IB= -0.05A -1.2 V V CE (sat) Collector-Emitter Saturation Voltage IC= -1A, IB= -0.05A -0.5 V C ob Output Capacitance VCB= -10V, IE=0, f=1MHz fT Current Gain Bandwidth Product VCE= -2V, IC= -500mA 70 40 240 40 pF 100 MHz * Pulse Test: Pulse Width £ 300ms, Duty Cycle £ 2.0% hFE Classification Classification O Y hFE 70 ~ 140 120 ~ 240 © 2007 Fairchild Semiconductor Corporation KSA1281 Rev. 1.0.0 www.fairchildsemi.com 1 KSA1281 — Audio Power Amplifier January 2009 KSA1281 — Audio Power Amplifier VBE(sat), VCE(sat)[V], SATURATION VOLTAGE Typical Characteristics -1400 IB = -7mA IC[mA], COLLECTOR CURRENT -1200 IB = -6mA -1000 IB = -5mA -800 IB = -4mA -600 IB = -3mA -400 IB = -2mA -200 0 IB = -1mA 0 -2 -4 -6 -8 -10 -12 -14 -1 IC = 50IB o Ta = 25 C -0.1 -0.01 -1 -1 -16 VCE[V], COLLECTOR-EMITTER VOLTAGE -1000 -1000 -100 -100 -10 -10 IC[mA], COLLECTOR CURRENT Figure 1. Static Characteristic Figure 2. Base-Emitter Saturation Voltage -1400 VCE(sat)[V], SATURATION VOLTAGE VCE = -2V IC[mA], COLLECTOR CURRENT -1200 -1 IC = 50I B o Ta = 25 C -0.1 -0.01 -1 -1 -100 -100 -10 -10 -1000 -800 -600 -400 -200 0 0.0 -1000 -1000 -0.2 Figure 3. Collector-Emitter Saturation Voltage -1.0 -1.2 -1.4 1.4 IC(MAX)PLUS 1.2 IC(MAX) -1 PC[W], POWER DISSIPATION IC[mA], COLLECTOR CURRENT -0.8 Figure 4. Base-Emitter On Voltage -10 1ms 1s o Ta=25 C D.C. OPERATION -0.1 VCEOMAX -1 -10 1.0 0.8 0.6 0.4 0.2 0.0 -100 VCE[V], COLLECTOR-EMITTER VOLTAGE 0 25 50 75 100 125 150 175 o Ta[ C], AMBIENT TEMPERATURE Figure 5. Safe Operating Area Figure 6. Power Derating © 2007 Fairchild Semiconductor Corporation KSA1281 Rev. 1.0.0 -0.6 VBE[V], BASE-EMITTER VOLTAGE IC[mA], COLLECTOR CURRENT -0.01 -0.1 -0.4 www.fairchildsemi.com 2 The following are registered and unregistered trademarks and service marks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx® Build it Now™ CorePLUS™ CROSSVOLT™ CTL™ Current Transfer Logic™ EcoSPARK® Power247® POWEREDGE® Power-SPM™ PowerTrench® Programmable Active Droop™ QFET® QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ SMART START™ SPM® STEALTH™ SuperFET™ SuperSOT™-3 SuperSOT™-6 Green FPS™ Green FPS™ e-Series™ GTO™ i-Lo™ IntelliMAX™ ISOPLANAR™ MegaBuck™ MICROCOUPLER™ MicroFET™ MicroPak™ MillerDrive™ Motion-SPM™ OPTOLOGIC® OPTOPLANAR® Fairchild® Fairchild Semiconductor® FACT Quiet Series™ FACT® FAST® FastvCore™ FPS™ FRFET® Global Power ResourceSM ® PDP-SPM™ Power220® SuperSOT™-8 SyncFET™ The Power Franchise® TinyBoost™ TinyBuck™ TinyLogic® TINYOPTO™ TinyPower™ TinyPWM™ TinyWire™ µSerDes™ UHC® UniFET™ VCX™ DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I31 © 2007 Fairchild Semiconductor Corporation KSA1281 Rev. 1.0.0 www.fairchildsemi.com 3 KSA1281 Audio Power Amplifier TRADEMARKS