MAX8821 MAXIM [Maxim Integrated Products], MAX8821 Datasheet - Page 7

• Manufacturer Part Number: MAX8821
• Description: White LED Charge Pump with Mono Class D Audio Amp and Dual LDO
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
Typical values are at T
Programmable Output
Voltage
Shutdown Output
Impedance
I
Logic Input High
Voltage
Logic Input Low
Voltage
Logic Input Current
SDA Output Low
Voltage
I
Bus-Free Time
Between START and
STOP
Hold Time Repeated
START Condition
SCL Low Period
SCL High Period
Setup Time Repeated
START Condition
2
2
IN1
C INTERFACE (Figure 8)
C Clock Frequency
PARAMETER
= V
IN2
White LED Charge Pump with Mono Class D
= V
IN3
= V
_______________________________________________________________________________________
A
DD
= +25°C.) (Note 1)
I
control bits
B3:B0;
see Table 14
LDO2 disabled through I
V
I
t
t
t
t
t
LDO2
SDA
BUF
HD_STA
LOW
HIGH
SU_STA
= 3.6V, V
IL
= 0V or V
= 3mA
= 50mA
AGND
IH
= V
= V
DD
PGND1
2
C
= V
CONDITIONS
PGND2
T
T
A
A
= +25°C
= +85°C
= 0V, circuit of Figure 2, T
Audio Amp and Dual LDO
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
A
= -40°C to +85°C, unless otherwise noted.
1.455
1.552
1.746
1.940
2.134
2.231
2.328
2.425
2.522
2.619
2.716
2.813
2.910
3.007
3.104
3.201
0.7 x
MIN
V
1.3
0.6
1.3
0.6
0.6
-1
DD
TYP
0.01
0.03
1.5
1.6
1.8
2.0
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
0.1
0.1
0.2
0.2
0.1
1
1.545
1.648
1.854
2.060
2.266
2.369
2.472
2.575
2.678
2.781
2.884
2.987
3.090
3.193
3.296
3.399
MAX
0.3 x
V
400
0.4
+1
DD
UNITS
kHz
kΩ
µA
µs
µs
µs
µs
µs
V
V
V
V
7