Rainbow Electronics MAX8982X - Manual (Page 12)

Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
12
OUT1 (LDO1) ELECTRICAL CHARACTERISTICS
(MAX8982A: V DDA = +3.2V and C VDD_ = 10FF, MAX8982X: V DDA = +3.3V and C VDD_ = 20FF, C REFBP = 0.1FF, C OUT1 = 4.7FF,
T A = -40NC to +85NC, unless otherwise noted. Typical values are at T A = +25NC.) (Note 3)
OUT2 (LDO2) ELECTRICAL CHARACTERISTICS
(MAX8982A: V DDA = +3.2V and C VDD_ = 10FF, MAX8982X: V DDA = +3.3V and C VDD_ = 20FF, C REFBP = 0.1FF, C OUT2 = 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 = 50mA 2.619 2.70 2.781 V
Maximum Output Current 300 mA
Current Limit (Note 4) V OUT1 = 90% of its regulation 310 550 940 mA
Dropout Voltage (Note 4) I LOAD = 200mA, T A = +85NC 50 100 mV
Line Regulation 2.9V P V DDA P 3.65V, I LOAD = 150mA 2.4 mV
Load Regulation 1mA < I
LOAD
< 300mA 12 mV
Transient Response
di/dt = I MAX /0.1Fs, 1kHz < 1/T < 0.5MHz, where T is the
period of step load, 1mA to 300mA
50 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 Voltages I LOAD = 50mA
2.65
V
2.70
2.75
2.80
2.85
2.90
2.95
3.00
Startup Time from Shutdown
(Note 4)
I LOAD = 300mA 40 100 F s
Startup Transient Overshoot
(Note 4)
I LOAD = 300mA 3 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 1.746 1.80 1.854 V
Maximum Output Current 150 mA
Current Limit (Note 4) V OUT2 = 90% of its nominal regulation voltage 165 360 650 mA
Dropout Voltage (Note 4) I LOAD = 100mA, T A =+85NC 150 300 mV
Line Regulation 2.9V P V DDA P 3.65V, I LOAD = 100mA 2.4 mV
Load Regulation 50FA < I LOAD < 150mA 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