MAX8893A Datasheet, PDF (15/50 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.)
STEP-DOWN LINE TRANSIENT WAVEFORM
MAX8893A toc19
VBATT
4V
3.5V
500mV/div
VBUCK
10I LOAD
10µs/div
20mA/div
(AC-COUPLED)
STEP-DOWN LOAD TRANSIENT WAVEFORM
MAX8893A toc20
V_BUCK
50mV/div
300mA
5mA
5mA
IOUT
20µs/div
200mA/div
LDO1 DROPOUT VOLTAGE
vs. LOAD CURRENT
200
150
100
50
0
0
2.80
50 100 150 200 250 300
LOAD CURRENT (mA)
LDO1 OUTPUT VOLTAGE
vs. INPUT VOLTAGE
2.75
2.70
2.65
2.60
2.55
300mA LOAD
2.50
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
LDO1 OUTPUT-VOLTAGE ERROR
vs. LOAD CURRENT
0
-10
-20
-30
-40
-50
0
50 100 150 200 250 300
LOAD CURRENT (mA)
VBATT
LDO1 LINE TRANSIENT WAVEFORM
MAX8893A toc24
4V
3.5V
500mV/div
VLDO1
10I LOAD
10µs/div
10mV/div
(AC-COUPLED)
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