参数资料
型号: MAX8819CETI+T
厂商: Maxim Integrated Products
文件页数: 9/29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: 2,500
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: 带卷 (TR)
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.)
SYSTEM VOLTAGE
4.5
vs. SYSTEM CURRENT
AC-TO-DC ADAPTER CONNECT
MAX8819A toc10
4.4
V DC
5V/div
4V
4.3
4.2
4.1
V SYS
I DC
3.84V
C DC CHARGING
4.3V
C SYS CHARGING    1A
NEGATIVE BATTERY
2V/div
1A/div
4.0
3.9
3.8
V DC = 5.1V
V BATT = 4V
DLIM[1:2] = 01
I BAT
BATTERY CHARGER
SOFT-START
CURRENT FLOWS
INTO THE
BATTERY
-1A
1A/div
0 100 200 300 400 500 600 700 800 900 1000
OUTPUT CURRENT (mA)
POWER-UP SEQUENCING
400 μ s/div
POWER-UP SEQUENCING
V EN123
(MAX8819A/MAX8819B)
MAX8819A toc11
2V/div
(MAX8819C)
MAX8819A toc12
2V/div
0V
V V3
0V
V V1
2V/div
2V/div
0V
V V2
0V
V V2
2V/div
2V/div
0V
V V1
0V
V V3
2ms/div
POWER-DOWN SEQUENCING
(MAX8819C)
2V/div
0V
1ms/div
REG1 EFFICIENCY
vs. LOAD CURRENT (V REG1 = 3.01V)
V V3
V V2
V V1
V RST1
MAX8819A toc13
I V3 = 200mA
I V2 = 180mA
I V1 = 220mA
2V/div
0V
2V/div
0V
2V/div
0V
2V/div
0V
100
90
80
70
60
50
40
30
20
10
0
100 μ s/div
0.1
1
10 100
1000
LOAD CURRENT (mA)
_______________________________________________________________________________________
9
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