LA5318V [SANYO]
Voltage-Dividing Voltage Generator for Multi-Voltage LCD Matrix Drive; 分压电压发生器用于多电压LCD矩阵驱动
| 型号： | LA5318V |
| 厂家： | 
SANYO SEMICON DEVICE |
| 描述： | Voltage-Dividing Voltage Generator for Multi-Voltage LCD Matrix Drive |
| 文件： | 总4页 (文件大小：91K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Ordering number : EN5670
Monolithic Linear IC
LA5318V
Voltage-Dividing Voltage Generator
for Multi-Voltage LCD Matrix Drive
Overview
Package Dimensions
unit: mm
The LA5318V is a variable voltage-dividing voltage
generator IC designed for driving LCD matrixes that
require multiple voltages.
3179A-SSOP20
[LA5318V]
SANYO: SSOP20
Ambient temperature, Ta – °C
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Symbol
EE max
Conditions
Ratings
36
Unit
V
V
VCC – VEE
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
I
OUT max V1 to V4
Internal*
330
mA
mW
°C
Pd max
Topr
–20 to +75
–30 to +125
Tstg
°C
Notes: *The value stipulated in the conditions listed in the separate document shall be used as the maximum output current.
1. Continuous operation (without damage to the device) is guaranteed in the above ranges.
2. The output pins V1 to V4 may be shorted to the power supply or to ground for periods of up to 1 ms. (When |VCC – VEE| < 35 V)
Operating Conditions at Ta = 25°C
Parameter
Symbol
VEE
Conditions
Ratings
–35.5 to –6
–35 to –6
–0.2 to 0
0 to 50
Unit
V
Supply voltage
Input voltage
Input current
VCC – VEE
VREF
IINR
VCC – VREF: VREF ≥ VEE
V
INR
mA
mA
mA
mA
IOUTR
OUTR
V1, V2
V3, V4
Output current
IOUT1, 2
–5 to +5
–10 to +5
IOUT3,4
Note: VCC and VEE must be set up so that |V1| and |VEE – V4| are at least 1 V.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
82097HA(OT) No. 5670-1/4
LA5318V
Operating Characteristics at Ta = 25°C, V –V = –20 V, V
= V , R = 8R, B = OPEN
CC
EE
REF
EE
X
IN
Ratings
typ
Parameter
Symbol
Conditions
Unit
mA
min
max
0.5
Current drain
ICC, IEE VCC – VEE= –20 V, RX = 8R, INR = VCC : VCC, VEE
0.35
2.00
2.00
12.00
6.00
6.00
12.00
8
Output voltage ratio 1
Output voltage ratio 2
Output voltage ratio 3
Output voltage ratio 4
Output voltage ratio 5
Output voltage ratio 3
Internal resistance ratio 1
Internal resistance ratio 2
Internal resistance ratio 3
Internal resistance ratio 4
Ra1
Ra2
Rb1
Rb2
Rb3
Rb4
RX1
RX2
RX3
RX4
V2/V1
1.96
2.04
2.04
(VREF – V3)/(VREF – V4)
1.96
11.64
5.82
V
V
V
V
REF/V1
12.36
6.18
REF/V2
REF /(VREF – V3)
REF /(VREF – V4)
5.82
6.18
11.64
12.36
RX1 – RX2
RX1 – RX3
RX1 – RX4
12
Referenced to the resistance
R between RX4 and VIN
3
14
RX1 – VIN
3
15
The value of R when the voltage across
RX4 and VIN3 is 0.5 V.
Resistance
R
30
kΩ
Load regulation 1
∆V1
∆V2
∆V3
∆V4
+0.1 mA < IOUT1 < +5 mA : V1
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
0.5
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
Load regulation 2
+0.1 mA < IOUT2 < +5 mA : V2
Load regulation 3
+0.1 mA < IOUT3 < +5 mA : V3
Load regulation 4
+0.1 mA < IOUT4 < +5 mA : V4
Load regulation –1A
Load regulation –2A
Load regulation –3
Load regulation –4
Load regulation –1B
Load regulation –2B
OUTR pin saturation voltage
–∆V1A
–∆V2A
–∆V3
–0.5 mA < IOUT1 < –0.1 mA : V1
–0.5 mA < IOUT2 < –0.1 mA : V2
–10 mA < IOUT3 < –0.1 mA : V3
–10 mA < IOUT4 < –0.1 mA : V4
–5 mA < IOUT1 < –0.1 mA, BIN = GND : V1
–5 mA < IOUT2 < –0.1 mA, BIN = GND : V2
IOUT = 20 mA, VCC – INR = 2.7 : OUTR – VEE
–∆V4
–∆V1B
–∆V2B
VOUTR
Note: For IOUT, minus (–) indicates source current and plus (+) indicates sink current.
Pin Assignment
Block Diagram
V1, V2 bias
control
V
REF
control
(This circuit must be used with VRX1 ≥ VRX2 ≥ VRX3 ≥ VRX4.)
No. 5670-2/4
LA5318V
Maximum Output Current Load Test Conditions
Input 1
Input 2
V
CC
– V = 35 V, R = 8R, C1 to C4 = 10 µF, C5 = 33 µF, All resistors must be rated 1 W or higher.
EE X
TR1 to TR4; 2SA984 Rank E or F
TR5 to TR9; 2SC2274 Rank E or F
Set the output load resistors (R1 to R8) so that currents of 25 to 30 mA maximum (except for the V3 and V4 source
sides, which can handle about 60 mA) flow in the sink and source sides when high (on state) levels are input to inputs 1
and 2.
Input 1
Input 2
· V
control block
REF
Determining the TR1 drive current
– V – V
V
CC
BE
IN
I =
11 k + R
(V ≈ 0.7 V)
BE
Drive current
V
– 0.7 – V
IN
CC
I ≈ 10I =
× 10
is 50 for this calculation.
O
11 k + R
Assume that the TR1
hFE
Note: Connect INR to V when INR and OUTR are not used.
CC
No. 5670-3/4
LA5318V
(Source side)
Output current, I
– mA
Supply voltage, V – V
OUT
CC
Output Voltage Ratio – Ta
(Sink side)
Output current, I
– mA
OUT
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:
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 August, 1997. Specifications and information herein are subject to
change without notice.
No. 5670-4/4
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