MAX8893A Datasheet, PDF (16/50 Pages) Maxim Integrated Products – μPMICs for Multimedia Application Processors in a 3.0mm x 2.5mm WLP

µPMICs for Multimedia Application Processors
in a 3.0mm x 2.5mm WLP
Typical Operating Characteristics (continued)
(Typical Operating Circuit, VIN = 3.7V, CBATT = CIN1 = CIN2 = 2.2FF, CREFBP = 0.1FF, TA = +25NC, unless otherwise noted.)
LDO1 LOAD TRANSIENT WAVEFORM
MAX8893A toc25
300mA
I_OUT ^5mA
5mA
200mA/div
VLDO1
200mV/div
(AC-COUPLED)
20µs/div
LDO2 DROPOUT VOLTAGE
vs. LOAD CURRENT
200
150
100
50
0
0 50 100 150 200 250 300
LOAD CURRENT (mA)
LDO2 OUTPUT VOLTAGE
vs. INPUT VOLTAGE
2.65
2.60
V_ENLOD1
LDO1 STARTUP AND
SHUTDOWN WAVEFORM
MAX8893A toc26
2V/div
VLDO1
1V/div
300mA LOAD, VLDO1 = 2.8V
IIN
500mA/div
100µs/div
LDO2 OUTPUT-VOLTAGE ERROR
vs. LOAD CURRENT
0
-10
-20
-30
-40
-50
0
50 100 150 200 250 300
LOAD CURRENT (mA)
VBATT
LDO2 LINE TRANSIENT WAVEFORM
MAX8893A toc30
4V
3.5V
500mV/div
2.55
2.50
300mA LOAD
2.45
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
V_LDO2
10I LOAD
10µs/div
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10mV/div
(AC-COUPLED)