参数资料
型号: MAX8819CETI+
厂商: Maxim Integrated Products
文件页数: 11/29页
文件大小: 0K
描述: IC PMIC W/INT CHARGER 28TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
应用: 手持/移动设备
电源电压: 4.1 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 管件
PMIC with Integrated Chargers and Smart
Power Selector in a 4mm x 4mm TQFN
Typical Operating Characteristics (continued)
(Circuit of Figure 1, T A = +25°C, unless otherwise noted.)
REG2 EFFICIENCY
REG3 EFFICIENCY
100
90
80
70
60
50
40
30
20
10
0
vs. LOAD CURRENT (V REG2 = 1.82V)
1.86
1.85
1.84
1.83
1.82
1.81
1.80
REG2 LOAD REGULATION
100
90
80
70
60
50
40
30
20
10
0
vs. LOAD CURRENT (V REG3 = 1.21V)
0.1
1
10 100
1000
0
50
100 150 200 250 300 350 400
0.1
1
10 100
1000
1.225
1.220
1.215
1.210
1.205
1.200
1.195
1.190
LOAD CURRENT (mA)
REG3 LOAD REGULATION
REG2 LOAD CURRENT (mA)
V OUT3
V LX3
I LX3
LOAD CURRENT (mA)
REG3 LIGHT-LOAD SWITCHING
WAVEFORMS
MAX8819A toc25
20mV/div
AC-COUPLED
2V/div
0V
100mA/div
0mA
20mA LOAD
1.185
0
50
100 150 200 250 300 350 400
2 μ s/div
REG3 LOAD CURRENT (mA)
REG3 HEAVY-LOAD SWITCHING
V OUT3
WAVEFORMS
MAX8819A toc26
20mV/div
AC-COUPLED
REG3 LOAD TRANSIENT
MAX8819A toc27
320mA
100mA/div
V LX3
2V/div
0V
I OUT3
V OUT3
30mA
30mA
100mV/div
1.2V DC OFFSET
I LX3
400ns/div
200mA LOAD
200mA/div
0mA
200 μ s/div
______________________________________________________________________________________
11
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