Ordering number : EN5912 CMOS IC LC4120NV LCD Power Supply Switching IC Overview Package Dimensions The LC4120NV is an LCD power supply switching IC that provides 3 input channels and 6 output channels. It is fabricated in an 80-V high-voltage CMOS process and features low power dissipation, high speed, and a low output impedance. This IC is optimal for switching the row driver LCD drive voltage in a wide range of LCD products. unit: mm 3179A-SSOP20 [LC4120NV] Features • • • • 3 input channels/6 output channels Logic voltage: 2.7 to 5.5 V Output voltage: 80 V (maximum) Output impedance: 110Ω (maximum) (When VHA – VLA = 60 V) • Output delay time: 0.5 µs (maximum) • Operating temperature: –20 to 75°C • Package: 20-pin SSOP SANYO: SSOP20 Specifications Absolute Maximum Ratings (The following conditions must hold at all times: VHA ≥ VHB > VDD > VSS > VLB ≥ VLA) Parameter Symbol VDD max Maximum supply voltage VHA, B–VLA, B Conditions Ratings Unit VDD –0.3 to +7.0 V VHA, B/VLA, B –0.3 to +85 V V VHA/VHB VHA/VHB –0.3 to +45.0 VLA/VLB VLA/VLB –40.0 to +0.3 V Input voltage VIN S1 to S3 –0.3 to VDD +0.3 V Operating temperature Topr –20 to +75 °C Storage temperature Tstg –40 to +125 °C SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 31398HA (OT) No. 5912-1/4 LC4120NV Electrical Characteristics DC Characteristics at Ta = –20 to 75°C, VSS = 0 V, VDD = 2.7 to 5.5 V unless otherwise specified (The following conditions must hold at all times: VHA ≥ VHB > VDD > VSS > VLB ≥ VLA.) Parameter Symbol VDD VHA, B–VLA, B Operating voltage Potential difference Conditions VDD VHA, B, VLA, B Ratings min typ 2.7 5.0 40.0 Unit max 5.5 V 80.0 V V VHA, VHB VHA, VHB 20.0 42.5 VLA, VLB VLA, VLB –37.5 –20.0 V VHA–VHB VHA, VHB 0 5.0 V VLA–VLB VLA, VLB 0 5.0 V Input high-level voltage VIH S1 to S3 VDD × 0.8 VDD V Input low-level voltage VIL S1 to S3 0 VDD × 0.2 V Output high-level voltage Output low-level voltage Current drain ROHA VOUT = VHA – 0.5 : VH1 to VH3 *1 70 110 Ω ROHB VOUT = VHB – 0.5 : VH1 to VH3 *1 70 110 Ω ROLA VOUT = VLA + 0.5 : VL1 to VL3 *2 70 110 Ω ROLB VOUT = VLB + 0.5 : VL1 to VL3 *2 70 110 Ω 80 µA 600 µA +10 µA IDDOPE f = 40 kHz, Input signals operating *3 IHOPE f = 40 kHz, Input signals operating *3 IHLEAK f = 40 kHz, Input signals stopped *3 –10 Notes: 1. VHA – VLA = 60 V, VHA – VHB = 1.0 V 2. VHA – VLA = 60 V, VLA – VLB = 1.0 V 3. VHA – VLA = 60 V, VHA – VHB = VLA – VLB = 1.0 V Block Diagram No. 5912-2/4 LC4120NV Pin Assignment Pin Functions Pin I/O Function VH1 O High-voltage output 1 VHA/VHB VH 2 O High-voltage output 2 VHA/VHB VH 3 O High-voltage output 3 VHA/VHB VL1 O Low-voltage output 1 VLA/VLB VL2 O Low-voltage output 2 VLA/VLB VL3 O Low-voltage output 3 VLA/VLB S1 I Logic input 1 VDD/VSS S2 I Logic input 2 VDD/VSS S3 I Logic input 3 VDD/VSS VHA High-voltage power supply A VHB High-voltage power supply B VLA Low-voltage power supply A VLB Low-voltage power supply B VDD Logic system power supply VSS Logic system ground Signal voltage Truth Table Input signal Output Sn VHn VLn H VHA VLA L VHB VLB (n = 1, 2, 3) No. 5912-3/4 LC4120NV AC Characteristics Conditions 1 at Ta = –20 to 75°C, VSS = 0 V, VDD = 2.7 to 5.5 V, VHA = 42.5 V, VHB = 37.5 V, VLA = –37.5 V, VLB = –32.5 V, CL = 50 pF,unless otherwise specified Parameter Symbol Conditions Ratings min typ max Unit Output rise time tTLH 80 160 ns Output fall time tTHL 80 160 ns High-level transmission delay time tPLH 200 500 ns Low-level transmission delay time tPHL 200 500 ns Input rise and fall times tr/tf 30 ns ■ No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. ■ Anyone purchasing any products described or contained herein for an above-mentioned use shall: ➀ Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: ➁ Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. ■ Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of March, 1998. Specifications and information herein are subject to change without notice. PS No. 5912-4/4