參數(shù)資料
型號(hào): MAX4921BETD+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 0K
描述: IC CTLR OVP/OCP BATT PWR 14-TDFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 過壓和過流控制器
應(yīng)用: 手機(jī),數(shù)碼相機(jī),媒體播放器
安裝類型: 表面貼裝
封裝/外殼: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-TDFN-EP(3x3)
包裝: 帶卷 (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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