FAN8038B Fairchild Semiconductor, FAN8038B Datasheet
FAN8038B
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FAN8038B Summary of contents
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... Typical application • Portable Compact Disk Player (CDP) • Portable Mini Disk Player (MD) • Disc-Man • Other Potable Compact Disk Media ©2002 Fairchild Semiconductor Corporation www.fairchildsemi.com Description FAN8038B is monolithic IC for portable CD player. 44-QFP-1010B Ordering Information Device Package Operating Temp. FAN8038B 44-QFP-1010B - +85 C ...
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... FAN8038B(KA3038) Pin Assignments 2 ...
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... CH1 Negative Output Charge Current Setting RSTOUT Inverting Output Empty Detection Output H-Bridge Power Supply PWM Transistor Drive External Clock Input Boost DC/DC Converter Starting Boost DC/DC Converter Off Charging Circuit Power Supply Empty Dection Level Converting Signal Ground PWM Phase Compensation FAN8038B(KA3038) 3 ...
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... FAN8038B(KA3038) Internal Block Diagram ...
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... PRE-Driver V CC Output Voltage Operating Temperature Symbol Value V 13 500 -35 ~ +85 OPR T -55 ~ +150 STG Symbol Min. Typ. ADPVCC 3.0 4.5 BATT 1.5 2.4 SVCC 2.7 3.2 SVCC2 2.7 3 PWM Ta -10 25 FAN8038B(KA3038) Unit Max. Unit 8.0 V 8.0 V 5.5 V 5.5 V BATT ...
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... FAN8038B(KA3038) Electrical characteristics (Ta=25 C, BATT=2.4V, SV 1=SV CC Parameter COMMON SECTION BATT Stand-by Current BATT Supply Current (No Load) SVCC Supply Current (No Load) SVCC2 Supply Current (No Load) ADPVCC Supply Current (No Load) H-DRIVE PART Voltage Gain CH1 CH2 Gain Error By Polarity Input pin Resistance CH1 ...
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... CT=2V, IO=1-mA SW2L f COSC=470pF, =SVCC2=0V SW1 f COSC=470pF, CLKIN=0V SW2 f COSC=470pF SW3 COSC=470pF, T SWMIN ERRO=0.5 0.7V COSC=470PF, D SW1 SVSS1,SVCC2=0V COSC=470pF, ERR0=0.8V, D SW2 CLKIN=0V D ERR0=0.8V, COSC=470pF SW3 FAN8038B(KA3038) Min. Typ. Max. Unit 0.35 0.45 0. 1/60 1/50 1/40 1/k 3.05 3.20 3.35 V 1.4 1.6 ...
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... FAN8038B(KA3038) Electrical Characteristics Parameter DEAD TIME *DEDSET Pin Impedance DEDSET Pin Output Voltage INTERFACE STOP Pin Threshold Voltage STOP Pin Bias Current START Pin On Threshold Voltage START Pin Off Threshold Voltage START Pin Bias Current CLKIN Pin Threshold Voltage H CLKIN Pin Threshold Voltage L ...
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... EMHS2 EMPSET 1mA, OVP = 1V EMP O I OVP = 2.4V EMPLK OVP EMPSET SVCC1 = SVCC2 = 0V, I OVPLK OVP = 4. BATT- EMPSET EMPSET V EMPSET OVP = 2V I EMPSET EMPSET FAN8038B(KA3038) Min. Typ. Max. Unit - - 300 -5.5 0 5.5 2 0.2 - -6.5 -3.0 0 0.71 0.81 0.91 0.75 ...
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... FAN8038B(KA3038) Application Information 1. Mute Function • When The BRAKE Pin is low is normal opration (high is CH1 mute on). • When The Mute2 Pin is low is normal opration (high is CH2 mute on). • When The Mute34 Pin is high is normal opration (low is CH3,4 mute on). 2. Vref Drop Mute (Figure 1) • ...
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... This circuit detects a maximum output value of 4CH drivers and then generates PWM Signal. • External Component is PNP-Tr, Coil, Schottky Diodeand Capacitor . 6. DC/DC Converter Control Circuit • Booster circuit needs External component. and the voltage() is defined as follows. SVCC1 Figure 1. Switching Regulated Power Supply --------------------- - + --------------------- - 1.267 -------------------------------------------------- - = --------------------- - Figure 2. Output Voltage FAN8038B(KA3038) = Resistor1 Resistor2 = = 30K = 30.5K 11 ...
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... FAN8038B(KA3038) • Short Circuit Protection function when GND and is short, ERRI become LOW and ERRO HIGH and it makes capacitor charging. fanally AMP3 is OFF.(figure 5) Switching off time depen on a capacitor of the SCP . and the equation is as follow ----------- - 1.25V, I SCP TH I SCP • ...
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... Typical Performance Characteristics FAN8038B(KA3038 ...
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... FAN8038B(KA3038) Application Circuits ...
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... FAN8038B(KA3038) 15 ...
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... FAN8038B(KA3038) 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. ...