BU97981KV-E2 Datasheet, PDF (8/50 Pages) Rohm – Multi-function LCD Segment Drivers

BU97981xxx Series MAX 196 segments (SEG49xCOM4)
Datasheet
Electrical Characteristics – continued
Integrated Regulator Characteristics (Ta=-30°C to +75°C, VDD=1.8V to 3.6V, VLCD=3.3V to 5.5V, VSS=0)
(BU97981KV)
Parameter
Limits
Symbol
Unit
Min
Typ
Max
Conditions
Output Voltage 1
Vreg1 4.35
4.5
4.65
V
4.5V setting (VLCD=5.5V, Ta=-30°C to 75°C)
(Note1)
Output Voltage 2
Vreg2 4.42
4.5
4.58
V 4.5V setting (VLCD=5.5V, Ta=25°C) ^(Note1)
Load Regulation ^(Note2)
delta
Vreg
-
-
0.3
V Iout = -300µA
(Note1)In case integrated regulator using, please satisfy condition that Vreg output lower than VLCD - 0.5V.
(Note2) Load regulation: Vreg block load regulation only. Do not include other block ability.
(BU97981MUV)
Parameter
Output Voltage 1
Symbol
Vreg1
Min
4.30
Limits
Typ
4.5
Max
4.70
Unit
Conditions
V
4.5V setting (VLCD=5.5V, Ta=-30°C to 75°C)
(Note1)
Output Voltage 2
Vreg2 4.38
4.5
4.62
V 4.5V setting (VLCD=5.5V, Ta=25°C) ^(Note1)
Load Regulation ^(Note2)
delta
Vreg
-
-
0.3
V Iout = -300µA
(Note1)n case integrated regulator using, please satisfy condition that Vreg output lower than VLCD – 0.5V.
(Note2) Load regulation: Vreg block load regulation only. Do not include other block ability.
(BU97981GU)
Parameter
Output Voltage 1
Symbol
Vreg1
Min
4.25
Limits
Typ
4.5
Max
4.70
Unit
Conditions
V
4.5V setting (VLCD=5.5V, Ta=-30°C to 75°C)
(Note1)
Output Voltage 2
Vreg2 4.40
4.5
4.60
V 4.5V setting (VLCD=5.5V, Ta=25°C) ^(Note1)
Load Regulation ^(Note2)
delta
Vreg
-
-
0.3
V Iout = -300µA
(Note1)In case integrated regulator using, please satisfy condition that Vreg output lower than VLCD - 0.5V.
(Note2) Load regulation: Vreg block load regulation only. Do not include other block ability.
Oscillation Frequency Characteristics (Ta=-30°C to +75 °C, VDD=1.8V to 3.6V, VLCD=3.3V to 5.5V, VSS=0)
Parameter
Limits
Symbol
Unit
Min
Typ
Max
Conditions
Frame Frequency 1
fFR1
57.6
64
70.4 Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting
Frame Frequency 2
fFR2
51.2
64
73.0 Hz VDD=2.5V to 3.6V fFR=64Hz setting
Frame Frequency 3
fFR3
45.0
-
64 Hz VDD=1.8V to 2.5V fFR=64Hz setting
CLKIN Input Frequency fCLK
-
2
4 MHz
About detail function, please refer to the frame frequency setting of DISCTL command.
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TSZ02201-0A2A0D300110-1-2
10.Apr.2015 Rev.006