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| HV513 HV513 8-Channel Serial to Parallel Converter with High Voltage Push-Pull Outputs, POL, Hi-Z, and Short Circuit Detect Features HVCMOS technology Operating output voltage of 250V Low power level shifting from 5V to 250V Shift register speed 8MHz @ VDD=5V 8 latch data outputs Output polarity and blanking CMOS compatible inputs Output short circuit detect Output high-Z control General Description The HV513 is a low voltage serial to high voltage parallel converter with 8 high voltage push-pull outputs. This device has been designed to drive small capacitve loads such as piezoelectric transducers. It can also be used in any application requiring multiple high voltage outputs, with medium current source and sink capabilities. The device consists of an 8-bit shift register, 8 latches, and control logic to perform the polarity select and blanking of the outputs. Data is shifted through the shift register on the low to high transition of the clock. A data output buffer is provided for cascading devices. Operation of the shift register is not affected by the /LE, /BL, /POL, or the /HI-Z control inputs. Transfer of data from the shift register to the latch occurs when the /LE is high. The data in the latch is stored when /LE is low. A high-Z, /HI-Z, pin is provided to set all the outputs in a high-Z state. All outputs have short circuit protection that detects if the outputs have reached the required output state. If output does not track the required state, then the /SHORT pin will be low. This output will pulse low during the output transistion period under normal operation; see SC Timing Diagram for details. All outputs will have a break-before-make circuitry to reduce cross-over current during output state changes. Note: All logic control inputs have internal 20k-ohm pull-up resistors. Applications Piezoelectric transducer driver Weaving applications Braille Printers MEMs Displays Top Block Diagram VDD VPP 8-bit shift register Level translator Output control DIN CLK DOUT HVOUT1 8 8 8 * * * * * * HVOUT8 8-bit latch GND LE* BL* POL* Hi-Z* 02/11/02 Short* Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website. 1 HV513 DC Electrical Characteristics (Over operating supply voltages unless otherwise noted) Symbol IDD IDDQ IPP IPPQ IIH IIL VOH VOL Parameter VDD supply current Quiescent VDD supply current VPP supply current Quiescent VPP supply current High-level logic input current Low-level logic input current High-level output Low-level output HVOUT Data out HVOUT Data out 140 VDD-1V 60 1.0 Min Typ Max 4 0.1 2.0 100 100 10 -10 -350 Units mA mA A A A A V V All VIN=VDD All VIN=0V VPP=250V, fOUT=300Hz, no load VPP=240V, outputs static VIH=VDD VIL=0V VIL=0V, for inputs w/pull-up resistors VPP =200V, IHVOUT=-20mA IDOUT=-0.1mA VDD =4.5V, IHVOUT=20mA IDOUT=0.1mA Conditions fCLK=8MHz, LE*=LOW DC Electrical Characteristics (Over operating supply voltages unless otherwise noted) Symbol fCLK fOUT tW tSU tH tWLE tDLE tSLE tOR, tOF td ON/OFF tDHL tDLH tR, tF tSD tSC tHI-Z Clock frequency Output switching frequency (SOA limited) Clock width high and low Data setup time before clock rises Data hold time after clock rises Width of latch enable pulse /LE delay time after rising edge of clock /LE setup time before rising edge of clock Rise/fall time of HVOUT Delay time for output to start rise/fall Delay time clock to DOUT high to low Delay time clock to DOUT low to high All logic inputs Output short circuit detection Output short circuit clear Output high-Z state 62 15 30 80 35 40 1000 500 110 110 5 500 1000 500 Parameter Min 0 300 Typ Max 8 Units MHz Hz ns ns ns ns ns ns s ns ns ns ns ns ns ns Short to output fall of /SHORT, CL=15pF Conditions CL=50nF, VPP=200V CL=100nF, VPP=200V CL=15pF CL=15pF Short clear to output rise of /SHORT Absolute Maximum Ratings* Supply Voltage, VDD Supply Voltage, VPP Logic input levels Ground current High voltage supply current Continuous total power dissipation Operating temperature range Storage temperature range * All voltages are referenced to device ground. Ordering Information Device HV513 Part Number HV513WG Package 24 Lead SOW -0.5V to 6V VDD to 275V -0.5V to VDD+0.5V 0.3A 0.25A 750mW -40C to +85C -65C +150C 2 HV513 Operating Supply Voltages Symbol VDD VPP VIH VIL TA Notes: 1. Below minimum VPP the output may not switch. 2. Power-up sequence should be the following: 1. 2. 3. 4. Connect ground. Apply V DD. Set all inputs (Data, CLK, Enable, etc.) to a known state. Apply VPP. Parameter Logic supply voltage High voltage supply High-level input voltage Low-level input voltage Operating free-air temperature Min 4.5 30 VDD-0.9 0 -40 Typ 5.0 Max 5.5 250 VDD 0.9 +85 Units V V V V C Note 1 Conditions Power-down sequence should be the reverse of the above. Input and Output Equivalent Circuits VDD VDD VPP 20k * Data Out HVOUT Input GND Logic Inputs GND Logic Data Output HVGND High Voltage Outputs * POL, BL, LE, and HI-Z 3 HV513 Switching Waveforms VIH Data Input 50% tSU CLK 50% tWL 50% tWH 50% VOL Data Out tDLH 50% tDHL VOH VOL Data Valid tH VIH 50% 50% VIL VOH 50% VIL LE tDLE 50% tWLE 50% tSLE VIH VIL HVOUT w/ S/R LOW tdOFF HVOUT w/ S/R HIGH 90% 10% tOF 90% tOR VOH VOL VOH VOL 10% tdON Short Circuit Detect Detail Timing (HV513) LE POL BL VH VL VIH Hi-Z tHI-Z VOH HVOUT Within xV of rail VIL VOL tSD Short Detect tSC VH VL If the output is not within 5V to 10V of the desired output state, the SHORT signal goes LOW. 4 HV513 Functional Block Diagram POL BL LE VPP DIN L/T HVOUT1 CLK 8-Bit Static Shift Register 8 Latches 6 Additional Outputs L/T HVOUT8 DOUT HI-Z Short Detect POL, BL, LE, and HI-Z have internal 20k pull-up resistors. Short Function Table Inputs Function All on All off Invert mode Load S/R Store Data in latches Data X X X H or L X X L H X X Outputs /POL L H L H H L H H X X /HI-Z H H H H H H H H L H Shift Reg 1 2...8 * *...* * *...* * *...* H or L *...* * *...* * *...* L *...* H *...* * *...* * *...* HV Outputs 1 2..8 H H...H L L...L * *...* (b) * *...* * *...* * *...* (b) L *...* H *...* High impedance outputs CLK X X X /LE X X L L L L H H X X /BL L L H H H H H H X X Data Out * * * * * * * * * * * Transparent mode Outputs High-Z Outputs ON X X X X * *...* 5 HV513 Pin Configuration Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Function N/C VDD DOUT BL POL CLK LE SHORT HI-Z DIN LGND N/C HVGND HVGND HVout1 HVout2 HVout3 HVout4 HVout5 HVout6 HVout7 HVout8 VPP VPP Package Outline 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 24-Lead SOW Package (WG) (Wide Body) 02/11/02 (c)2002 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited. 6 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 * FAX: (408) 222-4895 www.supertex.com |
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