BU97930MUV Datasheet, PDF (3/24 Pages) Rohm – Multifunction Segment Drivers

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV
Technical Note
●Absolute maximum ratings (VSS = 0V)
Parameter
BU97930MUV BU97931FV
BU9798KV
/GUW
Power Supply Voltage1
(VDD)
-0.3 ~ +4.5
Power Supply Voltage 2
(VLCD)
-0.5 ~ +7.0
Allowable Loss (Pd)
0.8^*1
1.0^*2 (KV)
/ 0.8^*3 (GUW)
Input Voltage Range
(VIN)
-0.5 ~ VDD+0.5
Operational Temperature
Range (Topr)
-40 ~ +85
-30 ~ +75
Storage Temperature
Range (Tstg)
-55 ~ +125
Output Current (Iout1)
5
BU97500KV
-0.5 ~ +7.0
1.0^*2
-40 ~ +85
-
Unit
Remarks
V Power supply
V LCD drive Voltage
W
V
℃
℃
mA SEG output
Output Current (Iout2)
5
-
mA COM output
Output Current (Iout3)
10
-
mA GPO output
Output Current (Iout4)
50
-
*1 When use more than Ta=25°C,, subtract 8.0mW per degree. (using ROHM standard board)
(board size: 74.2mm×74.2mm×1.6mm material: FR4 board copper foil: land pattern only)
*2 When use more than Ta=25°C,, subtract 10mW per degree. (using ROHM standard board)
(board size: 70mm×70mm×1.6mm material: FR4 board copper foil: land pattern only)
*3 When use more than Ta=25°C,, subtract 8.0mW per degree. (using ROHM standard board )
(board size: 114.3mm×76.2mm×1.6mm)
mA LED output
●Recommended operating conditions
(BU9798KV/GUW : Ta=-30 ~ 75°C, VSS = 0V)
(BU97930MUV, BU97931FV, BU97500KV : Ta=-40 ~ 85°C,VSS = 0V)
Parameter
BU97930MUV BU97931FV BU9798KV/GUW BU97500KV^*4
Unit
MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX
Remarks
Power Supply Voltage 1
(VDD)
1.8 - 3.6 1.8 - 3.6 1.8 - 3.6 2.7 - 5.5 V Power supply
Power Supply Voltage 2
(VLCD)
2.7
-
5.5 2.7
-
5.5 3.3
-
5.5 4.5
-
5.5
V
Power supply
for LCD
LED Supply Voltage
(VLED)
-
-
-
-
-
- 1.0 - VLCD -
-
-
V
Power supply
for LED
Output Current
(Iout4)
-
- 20 -
- 20 -
- 20 -
-
-
mA
Per LED
port 1ch
Output Current
(Iout4)
-
-
-
-
-
-
-
- 60 -
-
-
mA
Total LED
port current
*4 The power supply condition shall be met VLCD  VDD.
○ This product is not designed against radioactive ray
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3/23
2010.04 - Rev.A