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FA7616CPV

FA7616CPV

  • 厂商:

    FUJI(富士电机)

  • 封装:

  • 描述:

    FA7616CPV - Bipolar IC For Switching Power Supply Control - Fuji Electric

  • 数据手册
  • 价格&库存
FA7616CPV 数据手册
FA7616CP(E)(V) s Description The FA7616CP(E)(V) is a bipolar control IC having two channels of PWM-type switching regulator control circuits. With this IC, a DC-to-DC converter can be easily implemented for a minimum input voltage of 1.4V. Bipolar IC For Switching PowerFSupply Control A7616CP(E)(V) s Dimensions, mm TSSOP-16 16 9 1 0.1±0.1 5.0±0.1 8 0.15 –0.06 +0.05 • Input voltage from 1.4V (VCC = 1.4 to 12V) • Open-collector output • Wide operating frequency range (fOSC: 10 to 500kHz) • Output ON/OFF control function • Not many external discrete components are needed 4.4±0.1 6.4±0.2 s Features s Applications • Battery power supply (two, 1.5V batteries) for portable equipment 0.24 –0.07 +0.08 0~10˚ 0.6 0.65 s Block diagram SSOP-16 16 9 5.3 7.9±0.3 1 0.1±0.1 6.2 +0.1 8 0.2 –0.05 0~10˚ 0.6 0.3 0.65 DIP-16 16 9 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin symbol Description IC main power supply Oscillator timing capacitor Non-inverting input to error amplifier Inverting input to error amplifier Error amplifier output Dead time adjustment CH. 2 Output Ground CH. 1 Output Dead time adjustment Error amplifier output Inverting input to error amplifier Start-up circuit timing capacitor Start-up circuit power supply Output ON/OFF control Reference voltage output (1.20V) 1 0.81 19.4 1.5 8 3.1min 4.3max 0.2min VCC2 CT IN2 (+) IN2 (–) FB2 DT2 OUT2 GND OUT1 DT1 FB1 IN1 (–) CST VCC1 ON/OFF REF 3.4 6.5 0.3 –0 7.6 +0.1 5 .0 2.54±0.25 0.5±0.1 0~15 ˚ 0~1 5˚ 2.1max 1.2max 1 FA7616CP(E)(V) s Absolute maximum ratings Item Supply voltage Symbol Rating 12 5 10 300 –20 to +85 –40 to +150 Unit V mA mA mW °C °C s Recommended operating conditions Item Supply voltage 1 Symbol Min. 1.4 2.5 Max. 12 12 3 5 10 47 220 4.7 100 500 10,000 10,000 47 Unit V V mA mA kHz pF pF kΩ kΩ VCC Reference voltage output current IOR Output sink current IO Total power dissipation Pd Operating temperature Storage temperature VCC1 Supply voltage 2 VCC2 Output sink current (at start-up) ISINK Output sink current ISINK (at steady state) Oscillation frequency Oscillator timing capacitor (start-up circuit) Oscillator timing capacitor Oscillator timing resistance Feedback resistance Topr Tstg fOSC CST CT RT RNF s Electrical characteristics (Ta = 25°C, VCC1 = 1.6V, V CC2 = 3V, V15 = 2V, CT = 1000pF, RT = 10kΩ) Reference voltage section Item Output voltage Line regulation Load regulation Output voltage variation due to temperature change Symbol Test condition Min. 1.196 Typ. 1.220 1 1 –2 –2 –0.3 –0.6 Max. 1.244 8 8 1 1 Unit V mV mV % % VREF LINE LOAD VTC1 IOR = 0.1mA V CC = 2.5 to 12V, V15 = 2V fixed IOR = 0.1 to 1mA Ta = –20 to +25° C IOR = 0.1mA Ta = +25 to +85 °C IOR = 0.1mA VTC2 Oscillator section Item Oscillation frequency Frequency variation 1 (due to supply voltage change) Frequency variation 2 (due to temperature change) Symbol Test condition Min. 80 Typ. 92 1 2 Max. 110 3 Unit kHz % % fOSC fdV fdT CT = 1000pF, RT = 10kΩ VCC = 2.5 to 12V Ta = –20 to +85° C Error amplifier section Item Input offset voltage Input bias current Common-mode input voltage Open-loop voltage gain Unity-gain bandwidth Maximum output voltage Output source current Symbol Test condition Min. Typ. 2 0 70 1.0 Max. 10 1 Unit mV VIO IB VCM AV GB VOM+ VOM– IOM+ RNF = 100kΩ RNF = 100kΩ VOM = 1V µA dB MHz V VCC2 –1.7 V VCC2–0.5 200 40 85 170 mV µA PWM comparator section Item Input threshold voltage Input threshold voltage Symbol Test condition Duty cycle = 0% Duty cycle = 100% Min. Typ. 0.80 1.45 Max. Unit V V VTH0 VTH100 2 FA7616CP(E)(V) Dead time adjustment circuit section Item Input threshold voltage Input threshold voltage Symbol Test condition Duty cycle = 0% Duty cycle = 100% Min. 0.08 Typ. 0.15 0.80 0.95 Max. Unit V V VTH DT0 VTH DT100 Output ON/OFF circuit section Item ON/OFF threshold voltage Input current Symbol Test condition Min. 0.5 Pin 15 = 2V Typ. 0.9 650 Max. 1.2 850 Unit V VTH ON II ON µA Start-up circuit section Item Oscillation frequency ON duty cycle Threshold voltage to stop Symbol Test condition Min. Typ. 95 50 2.30 Max. 115 60 2.45 Unit kHz % V fSC DST VCC2 TH CST = 1000pF, VCC2 = 0.5V 70 CST = 1000pF, VCC2 = 0.5V 40 ON-to-OFF threshold voltage 2.15 at start-up circuit Output section Item Output leakage current L-level output voltage Symbol Test condition Min. Typ. Max. 5 0.25 0.55 Unit ILEAK VOL VO = 12V Output sink current =5mA µA V Overall device Item Standby current 1 Standby current Standby current 2 Operating-state supply current Symbol Test condition Pin 15 = 0V or VCC2 > 2.45V Pin 15 = 2V, VCC2 < 2.15V Pin 15 = 0V, VCC2 = 3V Pin 15 = 2V, VCC2 = 3V Min. Typ. 0.1 400 0.4 2.2 Max. 10 800 0.7 3.2 Unit ICC ST1 ICC STAR ICC ST2 ICC AV µA µA mA mA s Characteristic curves (Ta = 25°C) Oscillation frequency (fOSC ) vs. timing capacitor capacitance (CST) and output duty cycle At strat-up state Oscillation frequency (fOSC) vs. timing capacitor capacitance (CT) At steady state 3 FA7616CP(E)(V) Output duty cycle vs. DT terminal voltage (VDT) Output duty cycle vs. FB terminal voltage (VFB) L-level output voltage (VO1L) vs. CH. 1 output sink current (ISINK1) At start-up state L-level output voltage (VOL) vs. output sink current (ISINK) At steady state Supply current (ICC) vs. supply voltage (VCC) Error amplifier frequency (f) vs. voltage gain (AV) 4 VOL [V] FA7616CP(E)(V) s Application circuit Flyback-transformer type and chopper type boost converter circuit Parts tolerances characteristics are not defined in the circuit design sample shown above. When designing an actual circuit for a product, you must determine parts tolerances and characteristics for safe and economical operation. Please connect a capacitor, which the value is about 0.01 µF to 0.1µF, between VCC and REF terminals in order to prevent from irregular output pulse at start-up. 5
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