参数资料
| 型号： | MAX4842AEXT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC CTLR OVP 4.7V SC70-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 过压保护控制器 |
| 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： | 6-TSSOP，SC-88，SOT-363 |
| 供应商设备封装： | SC-70-6 |
| 包装： | 带卷 (TR) |
MAX4838A/MAX4840A/MAX4842A
Overvoltage-Protection Controllers with
Status
FLAG
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VIN = +5V (MAX4838A/MAX4840A), VIN = +4V (MAX4842A), 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
TIMING
Startup Delay
tSTART
VIN > VUVLO, VGATE > 0.3V, Figure 1
20
50
80
ms
FLAG Blanking Time
tBLANK
VGATE > 0.3V, VFLAG > 2.4V, Figure 1
20
50
80
ms
GATE Turn-On Time
tGON
VGATE = 0.3V to 8V (MAX4838A/MAX4840A),
VGATE = 0.3V to 6V (MAX4842A),
CGATE = 1500pF, Figure 1
10
ms
GATE Turn-Off Time
tGOFF
VIN increasing from 5V to 8V at 3V/s
(MAX4838A/MAX4840A), VIN increasing
from 4V to 6V at 3V/s (MAX4842A),
VGATE = 0.3V, CGATE = 1500pF, Figure 2
620s
FLAG Assertion Delay
tFLAG
VIN increasing from 5V to 8V at 3V/s
(MAX4838A/MAX4840A), VIN increasing
from 4V to 6V at 3V/s (MAX4842A),
VFLAG = 0.4V, Figure 2
5.8
s
Initial Overvoltage Fault Delay
tOVP
VIN increasing from 0 to 8V
(MAX4838A/MAX4840A), VIN increasing
from 0V to 6V (MAX4842A), IGATE = 80% of
IPD, Figure 3
1.5
s
Disable Time
tDIS
VEN = 2.4V, VGATE = 0.3V, Figure 4
2
s
SUPPLY CURRENT vs. INPUT VOLTAGE
MAX4838A
toc01
INPUT VOLTAGE (V)
SUPPLY
CURRENT
(
A)
25
20
15
10
5
100
200
300
400
500
600
0
030
REVERSE CURRENT
vs. OUTPUT VOLTAGE
MAX4838A
toc02
OUTPUT VOLTAGE (V)
REVERSE
CURRENT
(
A)
5.0
4.5
4.0
1
10
100
1000
0.1
3.5
5.5
SINGLE MOSFET
BACK-TO-BACK MOSFETS
MAX4838A/MAX4840A
GATE VOLTAGE vs. INPUT VOLTAGE
MAX4838A
toc03
INPUT VOLTAGE (V)
GATE
VOLTAGE
(V)
7
6
5
4
3
6
9
12
0
38
MAX4840A
MAX4838A
Typical Operating Characteristics
(VIN = +5V (MAX4838A/MAX4840A), VIN = +4V (MAX4842A); Si9936DY external MOSFET in back-to-back configuration; TA = +25°C,
unless otherwise noted.)
Note 1: All parts are 100% tested at +25°C. Electrical limits across the full temperature range are guaranteed by design and
correlation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4842EXT | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTION CONTROLLER W - Cut Tape Product |
| MAX4842EXT+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4842EXT+T | 功能描述:电源开关 IC - 配电 RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MAX4842EXT+TG104 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4842EXT-T | 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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