MAX8930
WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
I 2 C INTERFACE CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SDA, SCL Input High Voltage
SDA, SCL Input Low Voltage
V DD = 1.7V to 5.5V
V DD = 1.7V to 5.5V
0.7 x
V DD
0.3 x
V DD
V
V
SDA, SCL Input Current
V IL = 0V or V IH = 5.5V,
V DD = 5.5V
T A = +25 N C
T A = +85 N C
0.01
0.1
1
F A
SDA Output Low Voltage
Clock Frequency
Bus-Free Time Between START
and STOP
I SDA = 3mA, for acknowledge (Note 3)
(Note 3)
t BUF (Note 3)
100
1.3
0.03
0.4
400
V
kHz
F s
Hold Time Repeated START
Condition
SCL Low Period
SCL High Period
Setup Time Repeated START
Condition
SDA Hold Time
SDA Setup Time
Setup Time for STOP Condition
t HD,STA (Note 3)
t LOW (Note 3)
t HIGH (Note 3)
t SU,STA (Note 3)
t HD,DAT (Note 3)
t SU,DAT (Note 3)
t SU,STO (Note 3)
0.6
1.3
0.6
0.6
0
100
0.6
0.1
0.2
0.2
0.1
0.01
50
0.1
F s
F s
F s
F s
F s
ns
F s
CHARGE PUMP CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switching Frequency
Pump Soft-Start Time
4
0.5
MHz
ms
Charge-Pump Regulation
Voltage (and OVP)
V PV1 , V PV2 - V NEG
4.3
5
V
Open-Loop NEG Output
Resistance
Guaranteed Output Current
NEG Discharge Resistance in
Shutdown
(0.5 x (V PV1 or V PV2 ) - V NEG )/I NEG
LED V FMAX = 3.9V, V PV1 = V PV2 = 3.2V
All LEDs off
281
1.3
10
2.49
I
mA
k I
Maxim Integrated
3
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相关代理商/技术参数
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