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AZ494DMTR Datasheet(PDF) 5 Page - BCD Semiconductor Manufacturing Limited |
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AZ494DMTR Datasheet(HTML) 5 Page - BCD Semiconductor Manufacturing Limited |
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5 / 12 page  PULSE-WIDTH-MODULATION CONTROL CIRCUITS AZ494B/D Data Sheet 5 Jun. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Parameter Symbol Conditions (Note 4) Min Typ Max Unit Reference Section Output Reference Voltage for AZ494B VREF IREF=1mA 4.875 4.95 5.025 V for AZ494D VREF IREF=1mA 4.925 5.0 5.075 V Line Regulation RLINE VCC = 7V to 36V 2 25 mV Load Regulation RLOAD IREF=1mA to 10mA 1 15 mV Short-Circuit Output Current(Note 5) ISC VREF = 0V 25 mA Oscillator Section, CT = 0.01µF, RT = 12KΩ (See Figure 4) Frequency fosc 10 KHz Standard Deviation of Frequency (Note 6) All values of VCC, CT, RT and TA constant 100 Hz/KHz Frequency Change with Voltage VCC=7V to 36V, TA = 25 oC 1 Hz/KHz Frequency Change with Temperature (Note 7) ∆T A= MIN to MAX 10 Hz/KHz Error-Amplifier Section Input Offset Voltage VIO VO (FEEDBACK) = 2.5V 2 10 mV Input Offset Current IIO VO (FEEDBACK) = 2.5V 25 250 nA Input Bias Current IBIAS VO (FEEDBACK) = 2.5V 0.2 1 µA Common-Mode Input Voltage Range VCM VCC=7V to 36V -0.3 VCC- 2 V Large-Signal Open-Loop Voltage Gain AVO ∆V O = 3V, RL =2KΩ, VO =0.5V to 3.5V 70 95 dB Unity-Gain Bandwidth GB 800 KHz Common-Mode Rejection Ratio CMRR VCC=7V to 36V 65 80 dB Output Sink Current (FEEDBACK) ISINK VID = -15mV to -5V, V(FEEDBACK) = 0.7V - 0.3 - 0.7 mA Output Source Current (FEEDBACK) ISOURCE VID = 15mV to 5V, V(FEED- BACK) = 3.5V 2 mA Output Section Collector Off-State Current IC, OFF VCE = 36V, VCC=36V 2 100 µA Emitter Off-State Current IE, OFF VCC = VC = 36V, VE = 0 -100 µA Collector-Emitter Saturation Voltage Common Emitter VE = 0, IC =200mA 1.1 1.3 V Emitter Follower VO (C1 or C2) = 15V, IE = -200mA 1.5 2.5 TA = 25 oC, V CC=15V, f=10KHz unless otherwise noted. Electrical Characteristics |
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