參數(shù)資料
型號(hào)： MAX4919BETD+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 12/19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(guò)壓和過(guò)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
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN to GND ...............................................................-0.3V to +30V
GP1, GN1 to GND ..................................................-0.3V to +12V
IN to GP1 ................................................................-0.3V to +20V
BTO to GND ..........................................................-0.3V to +6.1V
BTI to BTO ................................................................-0.3V to +6V
BTI, ACOK, PWR_ON, EN to GND ...........................-0.3V to +6V
HP_PWR, ONOK, PWR_HOLD to GND ....................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
14-Pin TDFN (derate 18.5mW/°C above +70°C) .......1482mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VIN = 5V (MAX4919B/MAX4920B) or VIN = 4.2V (MAX4921B), VBTI = 4V, TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
VIN
1.2
28
V
MAX4919B/MAX4920B
77
120
Input Supply Current
IIN
MAX4921B
75
110
A
VEN = 0V; VIN = 3.9V; MAX4919B/MAX4920B
10
22
UVLO Supply Current
IUVL
VEN = 0V; VIN = 2.1V; MAX4921B
8
18
A
Shutdown Supply Current
ISHDN
VEN = 1.6V, VIN = 3.6V
0.4
2
A
MAX4919B/MAX4920B
4.00
4.27
4.54
V
IN Undervoltage Lockout
VUVLO
VIN falling
MAX4921B
2.20
2.35
2.50
V
IN Undervoltage Lockout
Hysteresis
1%
MAX4919B
6.00
6.38
6.76
MAX4920B
5.44
5.80
6.17
Overvoltage Trip Level
VOVLO
VIN rising
MAX4921B
4.35
4.65
4.95
V
IN Overvoltage Lockout
Hysteresis
1%
BATTERY SWITCHOVER
BTI Input Range
VBTI
2.30
5.50
V
BTI UVLO
VUVBTI
VBTI falling
2.0
2.15
2.3
V
BTI UVLO Hysteresis
1.5
%
BTI Low-Battery Threshold
VLVBTI
VBTI falling
2.65
2.82
3V
BTI Low-Battery Hysteresis
1.5
%
BTI Supply Current
Adapter out, VPWR_HOLD = high,
EN = high
7A
TA = +25°C2
BTI Shutdown Current
VBTO = 0V
TA = -40°C to +85°C
2.8
A
INTERNAL pFET
TA = +25°C
100
Switch On-Resistance
RON
VBTI = 2.7V, IBTI to
BTO = 0.5A
TA = -40°C to +85°C
120
m
Forward-Overload Current Limit
ILIM
BTO shorted to GND
1.8
A
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