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参数资料
| 型号： | MAX4920BETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/19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
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4921BETD+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4921BETD+T | 功能描述:电池管理 Battery Power-Up Logic RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX4924ELT+T | 功能描述:开关变换器、稳压器与控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MAX4925ELT+ | 制造商:Maxim Integrated Products 功能描述:OVP PROTECTOR WITH EXTERNAL PFET - Bulk |
| MAX4925ELT+T | 功能描述:开关变换器、稳压器与控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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