MAX8821 MAXIM [Maxim Integrated Products], MAX8821 Datasheet - Page 6

• 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
White LED Charge Pump with Mono Class D
Audio Amp and Dual LDO
6
Programmable Output
Voltage
Shutdown Output
Impedance
LDO2
Output Voltage V
Maximum Output
Current
Output Current Limit
Dropout Voltage
Line Regulation
Load Regulation
Power-Supply
Rejection
ΔV
Output Voltage Noise
(RMS)
IN1
IN3
_______________________________________________________________________________________
PARAMETER
= V
/ΔV
IN2
LDO2
= V
IN3
LDO2
= V
A
DD
= +25°C.) (Note 1)
I
control bits B3:B0;
see Table 13
LDO1 disabled through I
3.6V ≤ V
1mA ≤ I
V
I
V
I
10Hz to10kHz,
I
100Hz to100kHz,
I
LDO1
LDO2
LDO2
LDO2
LDO2
= 3.6V, V
LDO2
IN3
stepped from 3.4V to 5.5V, I
= 50mA
= 133mA, T
stepped from 1mA to 200mA
= 20mA
= 20mA
= 0V
LDO2
IN3
AGND
≤ 5.5V,
≤ 200mA
= V
A
= +25°C (Note 5)
PGND1
2
C
= V
CONDITIONS
PGND2
LDO2
= 0V, circuit of Figure 2, T
= 100mA
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.
1.164
1.261
1.455
1.552
1.746
1.843
1.940
2.231
2.425
2.522
2.619
2.716
2.813
2.910
3.007
3.104
1.455
MIN
200
250
1.500
TYP
550
100
1.2
1.3
1.5
1.6
1.8
1.9
2.0
2.3
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
2.4
25
70
45
1
1.236
1.339
1.545
1.648
1.854
1.957
2.060
2.369
2.575
2.678
2.781
2.884
2.987
3.090
3.193
3.296
1.545
MAX
750
200
UNITS
µV
mA
mA
mV
mV
mV
kΩ
dB
V
V
RMS