参数资料
型号: MAX8893CEWV+
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA30
封装: 3 X 2.50 MM, 0.64 MM HEIGHT, ROHS COMPLIANT, WLP-30
文件页数: 6/51页
文件大小: 4976K
代理商: MAX8893CEWV+
PMICs for Multimedia Application Processors
in a 3.0mm x 2.5mm WLP
MAX8893A/MAX8893B/MAX8893C
14 _____________________________________________________________________________________
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 SWITCHING FREQUENCY
vs. LOAD CURRENT
MAX8893A
toc13
LOAD CURRENT (mA)
SWITCHING
FREQUENCY
(kHz)
400
300
200
100
400
800
1200
1600
2000
2400
2800
3200
3600
4000
0
500
VBATT = 3.7V
VBUCK = 1.0V
STEP-DOWN LIGHT-LOAD
SWITCHING WAVEFORMS
MAX8893A toc15
50mV/div
(AC-COUPLED)
2V/div
100mA/div
VLX
VBUCK
IL
10s/div
1mA LOAD, VBUCK = 1.0V
STEP-DOWN HEAVY-LOAD
SWITCHING WAVEFORMS
MAX8893A toc17
VLX
VBUCK
IL
400ns/div
300mA LOAD, VBUCK = 1.0V
20mV/div
(AC-COUPLED)
2V/div
200mA/div
STEP-DOWN OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX8893A
toc14
LOAD CURRENT (mA)
OUTPUT
VOLTAGE
(V)
400
300
200
100
0.98
0.99
1.00
1.01
1.02
0.97
0
500
VBATT = 4.2V
VBATT = 3.0V
VBUCK = 1.0V
VBATT = 3.7V
STEP-DOWN MEDIUM-LOAD
SWITCHING WAVEFORMS
MAX8893A toc16
20mV/div
(AC-COUPLED)
2V/div
100mA/div
VLX
VBUCK
IL
400ns/div
40mA LOAD, VBUCK = 1.0V
STEP-DOWN STARTUP AND
SHUTDOWN WAVEFORM
MAX8893A toc18
2V/div
500mV/div
500mA LOAD, VBUCK = 1.0V
100mA/div
VENBUCK
VBUCK
IIN
100s/div
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