sp784ct Exar Corporation, sp784ct Datasheet
sp784ct
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sp784ct Summary of contents
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Only Low Power Voltage Conversion Programmable Between 5V or 10V Low Power Shutdown Mode Applications RS-232/RS-423 transceiver power supplies LCD BIAS Generator OP-Amp Power Supplies DESCRIPTION... The SP782 and SP784 are monolithic programmable voltage converters that produce a ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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AC CHARACTERISTICS* (Typical @ 25 C and nominal supply voltages unless otherwise noted) PARAMETER SP782 POWER-UP DELAY TIME 10V OUTPUT Power On Delay DVDD Power-On Delay DVSS SS 5V OUTPUT ...
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SP782 VDD vs IDD 40.00 35.00 30.00 25.00 20.00 15.00 10.00 5.00 0.00 5.00 5.50 6.00 SP782 VSS vs ISS 0.00 -5.00 -10.00 -15.00 -20.00 -25.00 10uF Curve 1uF Curve -30.00 0.1uF Curve -35.00 -40.00 -10.00 -9.50 -9.00 SP782 LOAD ...
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SP782 VDD vs IDD 40.00 35.00 30.00 25.00 20.00 15.00 10.00 5.00 0.00 4.20 4.25 SP782 VSS vs ISS 0.00 -5.00 -10.00 -15.00 -20.00 -25.00 -30.00 -35.00 -40.00 -45.00 -4.40 -4.30 SP782 LOAD vs VDD 4.50 4.40 4.30 4.20 4.10 ...
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SP784 VDD vs IDD 40.00 35.00 30.00 25.00 20.00 15.00 10.00 5.00 0.00 5.00 5.50 6.00 SP784 VSS vs ISS 0.00 -5.00 -10.00 -15.00 -20.00 -25.00 -30.00 -35.00 -40.00 -9.00 -10.00 -9.50 SP784 LOAD vs VDD 10.00 9.00 8.00 7.00 ...
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SP784 VDD vs IDD 40.00 35.00 30.00 25.00 20.00 15.00 10.00 5.00 0.00 4.20 4.25 SP784 VSS vs ISS 0.00 -5.00 -10.00 -15.00 -20.00 -25.00 -30.00 -35.00 -40.00 -4.40 -4.30 SP784 LOAD vs VDD 4.50 4.40 4.30 4.20 4.10 4.00 ...
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THEORY OF OPERATION The SP782/784's charge pump design is based on Sipex's original patented charge pump de- sign (5,306,954) which uses a four–phase volt- age shifting technique to attain symmetrical 10V power supplies. In addition, the SP782/ 784 charge pump ...
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– – – + – –10V Figure 4. Charge Pump Phase 2 for 10V + + – ...
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SHUTDOWN MODE The internal oscillator of the SP782 and SP784 can be shutdown through the SD pin. In this state, the V and V outputs are inactive and DD SS the power supply current reduces LATCH ENABLE ...
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C1 C1– 12 C2+ (b) 5 C2+ (a) SP784 C2– +10V -10V 0 1 ...
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LATCH C1 C1– SP782 12 C2 C2– GND Figure 9. SP782 and SP784 Block Diagrams SP782/SP784 DS/ ...
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DIMENSIONS (Inches) Minimum/Maximum SP782/SP784 DS/08 PACKAGE: PLASTIC SMALL OUTLINE (SOIC) (WIDE) 16–PIN (mm) 0.093/0.104 A (2.352/2.649) 0.004/0.012 A1 (0.102/0.300) 0.013/0.020 B (0.330/0.508) 0.398/0.406 D (10.11/10.31) 0.291/0.299 E (7.402/7.600) 0.050 BSC e (1.270 BSC) ...
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D1 = 0.005" min. (0.127 min 0.100 BSC (2.540 BSC) ALTERNATE END PINS (BOTH ENDS) SP782/SP784 DS/08 PACKAGE: 16-PIN PLASTIC DUAL–IN–LINE (NARROW 0.015" min. (0.381min DIMENSIONS (Inches) Minimum/Maximum ...
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... Model SP782CP .......................................................................... +70 C ..................................................................................... 16-pin Plastic DIP SP784CP .......................................................................... +70 C ..................................................................................... 16-pin Plastic DIP SP782CT ........................................................................... +70 C .............................................................................................. 16-pin SOIC SP784CT ........................................................................... +70 C .............................................................................................. 16-pin SOIC Please consult the factory for pricing and availability on a Tape-On-Reel option. Corporation SIGNAL PROCESSING EXCELLENCE Sipex Corporation ...