BD2812GU データシートの表示（PDF） - ROHM Semiconductor
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BD2812GU Datasheet PDF : 5 Pages
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●Electrical Characteristics (Unless otherwise specified, Ta=25°C, VBAT=3.6V, VIO=1.8V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
【Circuit Current】
VBAT Circuit current 1
VBAT Circuit current 2
VBAT Circuit current 3
VBAT Circuit current 4
VBAT Circuit current 5
VBAT Circuit current 6
VBAT Circuit current 7
【LED Driver】
LED current Step
LED Maximum setup current
IBAT1
IBAT2
IBAT3
IBAT4
IBAT5
IBAT6
IBAT7
ILEDSTP
IMAX
LED current accurate
ILED
LED current Matching
LED OFF Leak current
【DC/DC (Charge Pump)】
Output voltage 1
ILEDMT
ILKL
VoCP1
Output voltage 2
VoCP2
Load stability
Oscillator frequency
Over voltage protection
detect voltage
Over current protection
detect current
【SDA, SCL】 (I2C interface )
L level input voltage
H level input voltage
Hysteresis of Schmitt trigger
input
L level output voltage
Input current
Iout
fosc
OVP
OCP
VILI
VIHI
VhysI
VOLI
linI
-
-
-
-
-
-
-
-
18
-
-
-
3.705
3.99
4.275
4.56
-
0.8
-
-
-0.3
0.75 ×
VIO
0.05 ×
VIO
0
-10
0.1
3.0
μA RESETB=0V, VIO =0V
0.5
3.0
μA RESETB=0V, VIO=1.8V
0.8
1.2
mA
LED 6Ch ON, ILED=10mA setting
Exclusive of LED current, RGBISET =120kΩ
61
65
mA DC/DC x1mode, Io=60mA, VBAT=4.0V
92
102
mA DC/DC x1.5mode, Io=60mA, VBAT=3.6V
123
140
mA DC/DC x2mode, Io=60mA, VBAT=2.7V
5
7.5
μA
External clock Sleep operation mode
External clock = 31.25kHz, ILED=0mA
128
step RGB1 group, RGB2 group
-
30.48
mA
RGB1 group, RGB2 group
RGBISET=100kΩ
RGB1 group, RGB2 group,
20
22
mA Terminal voltage =1V
ILED=20mA setting, RGBISET =120kΩ
RGB1 group, between RGB2 group,
5
10
% Terminal voltage =1V
ILED=20mA setting
-
1.0
μA
Vf+0.2
3.9
4.2
4.5
4.8
-
1.0
6.0
250
Vf+0.25
4.095
4.41
4.725
5.04
255
1.2
6.5
375
V
V
V
V
V
mA
MHz
At output voltage auto mode,
Vf is forward direction voltage of LED
At fixed voltage output mode, Io=60mA
VBAT≥3.2V
VBAT≥3.2V, VOUT=4V
V
mA VOUT=0V
-
0.25 ×VIO V
-
VBAT+0.3 V
-
-
V
-
0.3
V SDA pin, IOL=3 mA
-
10
μA Input voltage = 0.1×VIO~ 0.9×VIO
REV. A
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