Ordering number: EN5376
Monolithic Linear IC
LA5314 Variable Divided Voltage Generator for LCD Use
Overview
The LA5314 is a valiable diveded voltage generator IC for multiple drive of LCD matrix.
Package Dimensions
unit : mm
3222-HSOP28
[LA5314]
Features
. Power supply for variable bias LCD matrix. (1/5 to 1/20 bias . available by built-in resistances) 5 voltage outputs . Five operational amplifiers to deliver (1.6 mA typ) . Low current drainfor miniturization Miniflat package
SANYO : HSOP28
Specifications
Maximum Ratings at Ta = 25 °C
Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max lOUT max Pd max Topr Tstg VCC – VEE V0 to V4 Conditions Ratings 38 Unit V mA mW °C °C
*±25
600 –20 to +75 –30 to +150
Note: 1. Continuous operation (non breakdown) is guaranteed when operated at the maximum ratings shown above. 2. *The maximum output current is a value specified under the conditions otherwise specified separately.
Operating Conditions at Ta = 25°C
Parameter Supply voltage Output current Symbol VCC lOUT0, 1 lOUT2, 3 lOUT4 VCC – VEE V0, V1 V2, V3 V4 Conditions Ratings 10 to 35 –0.5 to +10 –10 to +10 –15 to +0.5 Unit V mA mA mA
Note: 3. Set VCC and VEE so that |V0–V1| and |V4| become 1V or greater.
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83096HA(II) No.5376-1/5
LA5314
Operating Chararcteristics at Ta = 25°C, VCC – VEE = 20 V, VREF = VCC, RX = 8R
Parameter Current drain Output voltage difference 1 Output voltage difference 2 Output voltage ratio 1 Output voltage ratio 2 Output voltage ratio 3 Output voltage ratio 4 Internal resistnace ratio 1 Internal resistance ratio 2 Internal resistance ratio 3 Internal resistance ratio 4 Resistance Load Load Load Load Load regulation regulation regulation regulation regulation 1 2 3 4 5 Symbol ICC, IEE Vd1 Vd2 Rb1 Rb2 Rb3 Rb4 8R 12R 14R 15R R ∆V0 ∆V1 ∆V2 ∆V3 ∆V4 Conditions VCC, VEE:VCC – VEE = 20 V, RX = 8R (V0 – V1) – (V1 – V2) (V3 – V4) – (V4 – VEE) V0/(V0 – V1) V0/(V0 – V2) V0/V3 V0/V4 RX1 – RX2* RX1 – RX3* RX1 – RX4* RX1 – VIN3* R value when 0.6 V is applied across RX5 – RX6 : RX5 – RX6 V0: –0.2 mA < IOUT0 < +10.0 mA V1: –0.2 mA < IOUT1 < +10.0 mA V2: –10.0 mA < IOUT2 < +10.0 mA V3: –10.0 mA < IOUT3 < +10.0 mA V4: –10.0 mA < IOUT4 < +0.2 mA min –30 –30 11.64 5.82 5.82 11.64 typ 1.6 max 3 +30 +30 12.36 6.18 6.18 12.36 Unit mA mV mV — — — — — — — — kΩ +20 +20 +20 +20 +20 mV mV mV mV mV
12.00 6.00 6.00 12.00 8 12 14 15 20
–20 –20 –20 –20 –20
Note* : Referenced to R between RX4 and VIN3 Allowable power dissipation, Pd max — W Pd max — Ta
Temperature, Ta — °C
Pin Assignment
T00025
No.5376-2/5
LA5314
Block Diagram
Note: Use the IC so that VRX1 ^ VRX2 ^ VRX3 ^ VRX4 is obeyed.
No.5376-3/5
LA5314
Maximum Output Current Load Test Conditions
Input 1
Input 2
VCC – VEE = 20 V, RX = 8R C1 = 5 µF, C2 = 10 µF, C3 = 10 µF, C4 = 5 µF, C5 = 10 µF, C6 = 33 µF TR1 to TR5: 2SA984 E or F rank TR6 to TR11: 2SC2274 E or F rank
Unit (resistance: Ω, capacitance: F)
Output load resistances R1 to R10 are set in order that current of 30 mA max. are supplied to both source and sink sides when an on-level input is applied to the inputs 1 or 2.
Input 1
Input 2
No.5376-4/5
LA5314
ICC – VCC VOUT – IOUT (Source side)
Current drain, ICC – mA
Supply voltage, VCC – V VOUT – IOUT (Sink side) Output voltage , VOUT – V
Output voltage difference , Vd1, Vd2 — mV
Output voltage, VOUT – V
Output current, IOUT – mA Output voltage ratio – Ta
Output current, IOUT – mA
Output voltage ratio, Rb2, Rb3
Output voltage ratio, Rb1, Rb4
Ambient temperature, Ta – °C
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: 1 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: 2 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 August, 1996. Specifications and information herein are subject to change without notice.
No.5376-5/5