MAX8893A Datasheet, PDF (13/50 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.)
LOAD SWITCH ON-RESISTANCE
vs. TEMPERATURE
90
80
70
60
50
VBUCK = 1.0V, ILS = 500mA
40
-40 -15
10
35
60
85
TEMPERATURE (°C)
LOAD SWITCH TURN-ON/OFF WAVEFORM
MAX8893A toc09
LOAD SWITCH ON-RESISTANCE
vs. BATTERY VOLTAGE
90
80
70
60
50
VBUCK = 1.0V
40
2.5 3.0 3.5 4.0 4.5 5.0 5.5
BATTERY VOLTAGE (V)
LOAD SWITCH TURN-ON/OFF WAVEFORM
MAX8893A toc10
VENLS
2V/div
VENLS
2V/div
V_LS
500mV/div
VLS
500mV/div
ILS
10I LOAD, CLS = 1.0µF
20µs/div
200mA/div
ILS
2I LOAD _500mA/div
C_LS = 1.0µF
20µs/div
LOAD SWITCH VOLTAGE DROP
vs. LOAD CURRENT
40
VBUCK = 1.0V
30
20
10
0
0
100 200 300 400 500
LOAD CURRENT (mA)
100
90
80
70
60
50
40
30
20
10
0
0.1
STEP-DOWN EFFICIENCY
vs. LOAD CURRENT
VBATT = 3.0V
VBATT = 3.7V
VBATT = 4.2V
VBUCK = 1.0V
1.0
10
100
1000
LOAD CURRENT (mA)
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