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參數(shù)資料
| 型號： | MAX4944LELA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CTLR OVP W/FET 6.35V 8-UDFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 過壓保護控制器 |
| 應用： | 手機，數(shù)碼相機，媒體播放器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN |
| 供應商設備封裝： | 8-uDFN（2x2） |
| 包裝： | 帶卷 (TR) |
MAX4943–MAX4946/MAX4944L/MAX4945A/MAX4945L/MAX4949
Overvoltage-Protection Controllers with
Internal FET
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 ............................................................................-0.3V to +30V
OUT ...............................................................-0.3V to (IN + 0.3V)
GP...........................................................................-0.3V to +12V
IN to GP ..................................................................-0.3V to +22V
ACOK .......................................................................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
8-Pin DFN (derate 4.8mW/°C above +70°C) ..............381mW
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 (MAX4943/MAX4944_/MAX4945_/MAX4949), VIN = +3V (MAX4946), 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
2.2
28.0
V
VIN = 3V (MAX4946)
50
150
Input Supply Current
IIN
VIN = 5V, all remaining parts
50
150
A
UVLO Supply Current
IUVLO
VIN = 2.2V
30
A
MAX4943/MAX4944/
MAX4944B/MAX4945/
MAX4945A/ MAX4945B
3.90
4.15
4.40
IN Undervoltage Lockout
VUVLO
(VIN falling)
MAX4944L/MAX4945L/
MAX4946/MAX4949
2.30
2.45
2.60
V
IN Undervoltage-Lockout
Hysteresis
1%
MAX4943
7.00
7.4
7.80
MAX4944_
6.00
6.35
6.70
MAX4945/MAX4945B/L
5.50
5.80
6.10
MAX4945A
5.50
5.80
6.00
MAX4946
4.30
4.56
4.82
Overvoltage Trip Level
VOVLO
(VIN rising)
MAX4949
8.20
8.90
9.60
V
IN Overvoltage Hysteresis
1%
VIN = 3V (MAX4946), IOUT = 1A
80
200
Switch On-Resistance
RON
VIN = 5V, all remaining parts, IOUT = 1A
80
200
m
Ω
TA = +25°C
1.2
1.7
4.0
MAX4943–MAX4946
TA = TMIN to TMAX
1.2
1.7
4.0
TA = +25°C
2.0
3.5
5.0
Overcurrent Protection Threshold
ILIM
MAX4949
TA = TMIN to TMAX
2.0
3.0
5.0
A
GP Clamp Voltage
IGPD
(VIN - VGP), VIN = 28V
13
16
19
V
GP Pulldown Resistor
RGPD
50
k
Ω
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相關代理商/技術參數(shù) |
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|---|---|
| MAX4945AELA+T | 功能描述:電流和電力監(jiān)控器、調節(jié)器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 產品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX4945BELA+T | 功能描述:電流和電力監(jiān)控器、調節(jié)器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 產品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX4945ELA+ | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE-PROTECTION CONTROLLERS WITH INTERNAL FET - Rail/Tube |
| MAX4945ELA+T | 功能描述:電壓監(jiān)測器/監(jiān)控器 Overvoltage-Protect Controller RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風格:SMD/SMT |
| MAX4945LELA+T | 功能描述:電流和電力監(jiān)控器、調節(jié)器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 產品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
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