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| TPU207 PIEZOELECTRIC INVERTER MODULE FEATURES s s s s s Small and Very Low Profile (h = 3.5 mm max.) Wide Input Voltage Range No Leakage Flux Low Distortion Sinusoidal Waveform Ceramic Materials Improve Safety APPLICATIONS s s s s s s Camcorder Built-In LCD Monitor Digital Electronic Still Cameras Portable Video Equipment Color GPS Displays Personal Digital Assistant (PDA) Instrumentation LCD Monitors DESCRIPTION The TPU207 is a CCFL driving inverter unit with a maximum height of 3.5 mm. It uses a piezo-ceramic transformer and is suitable as a inverter unit for small LCD monitors (1.8 to 4.0 inch display). TPU207 48.5 OUT+ VIN PWM ON/OFF GND OUTCCFL CURRENT Unit: mm VIN CAPA A VIN PWM ON/OFF GND B OUT+ 3.5 max 16 TPU207 OUT- CCFL CCFL CURRENT December 1999 TOKO, Inc. Page 1 TPU207 SPECIFICATIONS Toko Part Number TPU207N-1001 SYMBOL VIN VIN(PWM) PARAMETER Module Input Voltage PWM ON/OFF Control Voltage CCFL Current Control Voltage Output Open Circuit Voltage Power Consumption of CCFL Oscillating Frequency Operating Temperature Range Output Load Current Efficiency CCFL Current VIN = 5 V VIN(CURRENT) = 4.1 V VIN(CURRENT) = 2.5 V Output ON VPWM(ON) PWM ON/OFF ON Output OFF VPWM(OFF) PWM ON/OFF OFF Voltage and Duty Cycle Voltage or Duty Cycle 2.7 20 0 0 20 80 1.2 2.5 0 190 60 2.5 f = 100 to 500 Hz, Duty Cycle 20% to 100% Note 1 Note 2 TEST CONDITIONS MIN 5 2.7 TYP MAX 9 9 UNITS V V VIN(CURRENT) VODC PCCFL FOSC TOP IOUT EFF ICCFL 2.5 1500 4.1 V Vrms 1.5 W kHz C mArms % mA mA V % V % Gen. Notes: Order of Power On should be CCFL Current VIN PWM ON/OFF. Inverter Module generates high voltage and should not be touched during operation. Note 1: PWM ON/OFF Control Pin is connected to VIN when PWM ON/OFF Control is always 100% Duty Cycle. Note 2: CCFL Current is 1.2 mA minimum when VIN(CURRENT) is 4.1 V. CCFL Current is 2.5 mA maximum when VIN(CURRENT) is 2.5 V. Page 2 December 1999 TOKO, Inc. |
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