参数资料
型号: MAX4921BETD+T
厂商: Maxim Integrated Products
文件页数: 15/19页
文件大小: 0K
描述: IC CTLR OVP/OCP BATT PWR 14-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 过压和过流控制器
应用: 手机,数码相机,媒体播放器
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x3)
包装: 带卷 (TR)
MAX4919B/MAX4920B/MAX4921B
Battery Power-Up Logic with Overvoltage
and Overcurrent Protection
_______________________________________________________________________________________
5
10ms/div
ADAPTER POWER-UP RESPONSE
VADAPTER
(5V/div)
VIN
(5V/div)
VGN1
(5V/div)
VACOK
(5V/div)
VOUT
(5V/div)
MAX4919/20/21B toc07
MAX4919B
200ms/div
ADAPTER POWER-UP RESPONSE
VADAPTER
(5V/div)
VIN
(5V/div)
VGN1
(5V/div)
VACOK
(5V/div)
VBTO
(5V/div)
MAX4919/20/21B toc08
MAX4919B
PWR_ON, HP_PWR, PWR_HOLD = 0V
2
s/div
OVERVOLTAGE RESPONSE
VADAPTER
(2V/div)
VIN
(2V/div)
VGN1
(5V/div)
VACOK
(5V/div)
MAX4919/20/21B toc09
7V
5V
7V
5V
MAX4919B
2.0
2.6
2.4
2.2
2.8
3.0
3.2
3.4
3.6
3.8
4.0
-40
10
-15
35
60
85
CURRENT LIMIT
vs. TEMPERATURE
MAX4919/20/21B
toc04
TEMPERATURE (
°C)
CURRENT
LIMIT
(A)
0.980
0.985
0.990
0.995
1.000
1.005
1.010
1.015
1.020
-40
-15
10
35
60
85
NORMALIZED OVLO THRESHOLD
vs. TEMPERATURE
MAX4919/20/21B
toc05
TEMPERATURE (
°C)
NORMALIZED
OVLO
THRESHOLD
0.980
0.985
0.990
0.995
1.000
1.005
1.010
1.015
1.020
-40
-15
10
35
60
85
NORMALIZED UVLO THRESHOLD
vs. TEMPERATURE
MAX4919/20/21B
toc06
TEMPERATURE (
°C)
NORMALIZED
UVLO
THRESHOLD
Typical Operating Characteristics (continued)
(VBTI = 4V, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数
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