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參數資料
| 型號： | MAX4210 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | High-Side Power and Current Monitors |
| 中文描述： | 高邊功率、電流監(jiān)視器 |
| 文件頁數： | 23/32頁 |
| 文件大?。?/td> | 620K |
| 代理商： | MAX4210 |
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Variable-Gain Amplifier
Figure 3 shows single-ended input, variable-gain ampli-
fiers (VGA). This VGA features more than 200kHz band-
width and is useful in automatic gain-control circuits
commonly found in baseband processors. The gain is
controlled by applying 0 to 1V to IN (V
GC
) of the
MAX4210D/E/F; 0V corresponds to minimum gain and
1V corresponds to maximum gain.
Measure Load Power
The MAX4210A/B/C and MAX4211A/B/C have internal
voltage-divider resistors connected to RS+ and the
analog multiplier input. This configuration measures
source power accurately and provides protection to the
power source such as a battery. To measure the load
power accurately, choose the MAX4210D/E/F and
MAX4211D/E/F with an external resistor-divider con-
nected directly to the load as shown in Figure 4. This
configuration improves the load-power measurement
accuracy by excluding the additional power dissipated
by R
SENSE
.
Power-Supply Bypassing
Bypass V
CC
to GND with a 0.1μF ceramic capacitor to
isolate the IC from supply-voltage transients. To pre-
vent high-frequency coupling, bypass RS+ or RS- with
a 0.1μF capacitor. On the TDFN and thin QFN pack-
ages, there is an exposed paddle that does not carry
any current, but should also be connected to the
ground plane for rated power dissipation.
M
High-Side Power and
Current Monitors
______________________________________________________________________________________
23
+
-
MAX4211A
MAX4211B
MAX4211C
IOUT
V
CC
+
RS-
-
R
SENSE
V
SENSE
LOAD
1.21V
REFERENCE
POUT
REF
2.7V TO
5.5V
+
-
4V TO
28V
CIN1+
INHIBIT
COUT1
COUT2
OVER/
UNDERPOWER
LE
CIN1-
CIN2+
R5
R4
R2
V
PULLUP
R1
CIN2-
GND
RS+
25:1
Figure 1. Window Comparator for Detecting Underpower and Overpower Faults (Also Detects Undercurrent and Overcurrent Faults
by R1 and R4 to IOUT Instead of POUT)
相關PDF資料 |
PDF描述 |
|---|---|
| MAX4210-MAX4211 | High-Side Power and Current Monitors |
| MAX4210AETT | High-Side Power and Current Monitors |
| MAX4211 | High-Side Power and Current Monitors |
| MAX4212 | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
| MAX4220ESD | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4210AETT | 制造商:Maxim Integrated Products 功能描述:HIGH-SIDE POWER AND CURRENT MONITORS - Bulk |
| MAX4210AETT+ | 制造商:Maxim Integrated Products 功能描述:HIGH SIDE PWR AND CURRENT MONITOR 6TDFN EP - Rail/Tube |
| MAX4210AETT+T | 功能描述:電流和電力監(jiān)控器、調節(jié)器 High-Side Power & Current Monitor 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 |
| MAX4210AETT-T | 功能描述:電流和電力監(jiān)控器、調節(jié)器 High-Side Power & Current Monitor 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 |
| MAX4210AEUA | 功能描述:電流和電力監(jiān)控器、調節(jié)器 High-Side Power & Current Monitor 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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