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FA7615CPE Dataheets PDF



Part Number FA7615CPE
Manufacturers Fuji Electric
Logo Fuji Electric
Description Bipolar IC
Datasheet FA7615CPE DatasheetFA7615CPE Datasheet (PDF)

FA7615CP(E) s Description The FA7615CP(E) is a bipolar IC containing basic circuit necessary for PWM-type switching power supply control. This IC can be operated by external synchronizing pulses. Bipolar IC For Switching Power Supply Control FA7615CP(E) s Dimensions, mm SSOP-16 16 9 s Features • • • • External synchronization input terminal Low-voltage operation (VCC = 3.6 to 22V) Totem-pole predriver Latch-mode short-circuit protection function (no malfunction due to electrical noise) • One c.

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FA7615CP(E) s Description The FA7615CP(E) is a bipolar IC containing basic circuit necessary for PWM-type switching power supply control. This IC can be operated by external synchronizing pulses. Bipolar IC For Switching Power Supply Control FA7615CP(E) s Dimensions, mm SSOP-16 16 9 s Features • • • • External synchronization input terminal Low-voltage operation (VCC = 3.6 to 22V) Totem-pole predriver Latch-mode short-circuit protection function (no malfunction due to electrical noise) • One capacitor shared for short-circuit protection and for softstart to minimize the number of external discrete components 5.3 7.9±0.3 1 0.1±0.1 6.2 +0.1 8 0.2 –0.05 s Applications • Battery power supply for portable equipment 0.3 0.65 0~10˚ 0.6 DIP-16 16 9 1 0.81 19.4 1.5 8 3.1min 4.3max 0.2min 3.4 6.5 0.3 –0 7.6 0~1 5˚ +0.1 5 .0 2.54±0.25 0.5±0.1 0~15 ˚ s Block diagram Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin symbol Description Oscillator timing capacitor Capacitor for soft-start, short-circuit protection and delay Dead time adjustment Non-inverting input to error amplifier Inverting input to error amplifier Error amplifier output Ground CH. 2 Output Power supply CH. 1 Current limiting resistor CH. 1 Output Error amplifier output Inverting input to error amplifier Dead time adjustment External synchronization input Reference voltage output (2.5V) CT CS DT2 IN2 (+) IN2 (–) FB2 GND OUT2 VCC OUT1R OUT1 FB1 IN1 (–) DT1 SYNC REF 2.1max 1 FA7615CP(E) s Absolute maximum ratings Item Supply voltage Symbol Rating 22 5 ±50 400 –20 to +85 –40 to +150 Unit V mA mA mW °C °C s Recommended operating conditions Item Supply voltage Feedback resistance Oscillator timing capacitor Oscillator timing resistance Oscillation frequency Symbol Min. 3.6 100 220 10 5 22,000 100 200 Max. 20 Unit V kΩ pF kΩ kHz VCC Reference voltage output current IOR Output current IO Total power dissipation Pd Operating temperature Storage temperature VCC RNF CT RT fOSC Topr Tstg s Electrical characteristics (Ta = 25°C, VCC = 6V, RT = 47kΩ, CT = 1000pF) Reference voltage section Item Output voltage Line regulation Load regulation Output voltage variation due to temperature change Symbol Test condition Min. Typ. 2.432 4 1 Max. 2.481 12 6 1 1 Unit V mV mV % % VREF LINE LOAD VTC1 VTC2 IOR = 1mA 2.383 VCC = 3.6 to 20V, IOR = 1mA IOR = 0.1 to 1mA Ta = –20 to +25° C Ta = +25 to +85 °C –1 –1 Oscillator section Item Oscillation frequency Frequency variation 1 (due to supply voltage change) Frequency variation 2 (due to temperature change) Synchronizing terminal input current Synchronizing terminal input voltage Symbol Test condition Min. 17 Typ. 20 1 5 0.4 1 1.0 2.5 Max. 23 Unit kHz % % mA V fOSC fdV fdT ISYNC VSYNC CT = 1000pF, RT = 47kΩ VCC = 3.6 to 20V Ta = –20 to +85° C VSYNC = 2V Error amplifier section Item Reference voltage Input bias current Open-loop voltage gain Unity-gain bandwidth Maximum output voltage (Pin 6 and Pin 12) Output source current (Pi.


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