Out4 (ldo4) electrical characteristics, Out5 (ldo5) electrical characteristics – Rainbow Electronics MAX8982X User Manual
Page 14
Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
14
OUT4 (LDO4) ELECTRICAL CHARACTERISTICS
(MAX8982A/MAX8982X: V
IN3
= V
BUCK2
= 1.8V, C
IN3
= 2.2FF, C
REFBP
= 0.1FF, C
OUT4
= 2.2FF, T
A
= -40NC to +85NC, unless other-
wise noted. Typical values are at T
A
= +25NC.) (Note 3)
OUT5 (LDO5) ELECTRICAL CHARACTERISTICS
(MAX8982A: V
DDB
= +3.2V and C
VDD_
= 10FF, MAX8982X: V
DDB
= +3.3V and C
VDD_
= 20FF, C
REFBP
= 0.1FF, C
OUT5
= 1FF,
T
A
= -40NC to +85NC, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 3)
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
Default Output Voltage
I
LOAD
= 10mA
0.873
0.9
0.927
V
Maximum Output Current
50
mA
Current Limit (Note 4)
V
OUT4
= 90% of its regulation
55
120
220
mA
Load Regulation
50FA < I
LOAD
< 10mA
25
mV
Power-Supply Rejection
D
V
OUT
/DV
IN
f = 10Hz to 10kHz, I
LOAD
= 10mA
60
dB
Output Noise Voltage
100Hz to 100kHz, I
LOAD
= 10mA
45
F
V
RMS
Programmable Output Voltage
I
LOAD
= 10mA
0.80
V
0.90
1.00
1.10
1.20
Startup Time from Shutdown
(Note 4)
I
LOAD
= 50mA
100
F
s
Startup Transient Overshoot
(Note 4)
I
LOAD
= 50mA
50
mV
Shutdown Output Impedance
(Active Discharge Resistance)
I
2
C programmable, default off
100
I
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
Default Output Voltage
I
LOAD
= 50mA
2.91
3.00
3.09
V
Maximum Output Current
150
mA
Current Limit (Note 4)
V
OUT5
= 90% of its regulation
165
360
650
mA
Dropout Voltage (Note 4)
I
LOAD
= 100mA, T
A
= +85NC
150
300
mV
Line Regulation
3.2V P V
DDB
P 3.65V, I
LOAD
= 100mA
2.4
mV
Load Regulation
50FA < I
LOAD
< 150mA, V
OUT
= 2.8V
25
mV
Power-Supply Rejection
D
V
OUT
/DV
IN
f = 10Hz to 10kHz, I
LOAD
= 30mA
60
dB
Output Noise Voltage
100Hz to 100kHz, I
LOAD
= 30mA
45
F
V
RMS
Programmable Output Voltage
I
LOAD
= 50mA, V
DDB
= 3.4V for V
OUT
= 3.2V
2.80
V
2.90
3.00
3.20
Startup Time from Shutdown
(Note 4)
I
LOAD
= 150mA
100
F
s
Startup Transient Overshoot
(Note 4)
I
LOAD
= 150mA
50
mV
Shutdown Output Impedance
(Active Discharge Resistance)
I
2
C programmable, default off
100
I