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參數(shù)資料
| 型號(hào)： | MAX4375 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs |
| 中文描述： | 低成本、微功耗、高邊電流檢測(cè)放大器 + 比較器 + 電壓基準(zhǔn)IC |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 366K |
| 代理商： | MAX4375 |
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX4373/MAX4374/MAX4375 low-cost, micropow-
er, high-side current-sense supervisors contain a high-
side current-sense amplifier, bandgap reference, and
comparator with latching output. They feature a voltage
output that eliminates the need for gain-setting resistors,
making them ideal for today’s notebook computers, cell
phones, and other systems where battery/DC current
monitoring is critical. High-side current monitoring is
especially useful in battery-powered systems since it
does not interfere with the ground path of the battery
charger. The 0 to +28V input common-mode range is
independent of the supply voltage, which ensures that
the current-sense feedback remains viable even when
connected to a battery pack in deep discharge.
The comparator output of the MAX4373/MAX4374/
MAX4375 is latched to provide a turn-off flag that
doesn’t oscillate. In addition, the MAX4374/MAX4375
contain a second comparator for use in window-detec-
tion functions. The MAX4373/MAX4374/MAX4375 are
available in three different gain versions (T = +20V/V,
F = +50V/V, H = +100V/V) and use an external sense
resistor to set the sensitivity of the input voltage to the
load current. These features offer a high level of inte-
gration, resulting in a simple and compact current-
sense solution.
The MAX4373/MAX4374/MAX4375 operate from a sin-
gle +2.7V to +28V supply and consume 50μA. They are
specified for the extended operating temperature range
(-40°C to +85°C) and are available in 8-pin and 10-pin
μMAX packages.
________________________Applications
Notebook Computers
Portable/Battery-Powered Systems
Smart Battery Packs/Chargers
Cell Phones
Power-Management Systems
General-System/Board-Level Current Monitoring
Precision Current Sources
Features
o
Current-Sense Amplifier plus Internal Comparator
and Bandgap Reference
o
50μA Supply Current
o
Single +2.7V to +28V Operating Supply
o
0.66% Full-Scale Accuracy
o
Internal Bandgap Reference
o
Latching Comparator Output
o
Three Gain Versions Available (+20V/V, +50V/V,
+100V/V)
o
Wide 0 to +28V Common-Mode Range,
Independent of Supply Voltage
M
Low-Cost, Micropower, High-Side Current-Sense
Amplifier + Comparator + Reference ICs
________________________________________________________________
Maxim Integrated Products
1
MAX4373
RS-
RS+
OUT
CIN
LOAD/
BATTERY
V
CC
= 2.7V TO 28V
V
IN
= 0 TO 28V
GND
V
CC
R
SENSE
+ V
SENSE
-
I
LOAD
V
PULL-UP
= 5V
R3
COUT
C1
0.1
μ
F
R2
R1
RESET
Typical Operating Circuit
19-1630; Rev 0; 3/00
Pin Configurations appear at end of data sheet.
8 SO
8 μMAX
8 SO
8 μMAX
8 SO
8 μMAX
PIN-
PACKAGE
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
MAX4373TESA
MAX4373FEUA
MAX4373FESA
MAX4373HEUA
MAX4373HESA
Ordering Information continues at end of data sheet.
MAX4373
TEUA
PART
+20
+50
+50
+100
+100
+20
GAIN
(V/V)
Ordering Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4373FESA | Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs |
| MAX4373FEUA | Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs |
| MAX4374HEUB | Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs |
| MAX4373TESA | Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs |
| MAX4374 | Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4375FESD | 功能描述:電流靈敏放大器 uPower High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4375FESD+ | 功能描述:電流靈敏放大器 uPower High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4375FESD+T | 功能描述:電流靈敏放大器 uPower High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4375FESD-T | 功能描述:電流靈敏放大器 uPower High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4375FEUB | 功能描述:電流靈敏放大器 uPower High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
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