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參數(shù)資料
| 型號(hào)： | AX3842P |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:7; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:18; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:18-9 RoHS Compliant: No |
| 中文描述： | 高性能電流模式PWM Controlers |
| 文件頁數(shù)： | 2/12頁 |
| 文件大小： | 265K |
| 代理商： | AX3842P |
Page No. : 2/12
AVANTICS - AX3842 Series
Specification No.: 050308-FE0008
Block Diagram
Pin Connection
(Top View)
Package
Function
Description
Pin1: Compensation
This pin is the Error Amplifier output and is made available for
loop compensation.
This is the inverting input of the Error Amplifier. It’s normally
connected to the switching power supply output through a
resistor divider.
A voltage proportional to inductor current is connected to this
input. The PWM uses this information to terminate the output
switch conduction.
The oscillator frequency and maximum output duty cycle are
programmed by connecting resistor RT to Vref and cpacitor CT
to ground. Operation to 500kHz is possible.
Pin2: Voltage Feedback
Pin3: Current Sense
Pin4: RT/CT
Pin5: Ground
This pin is the combined control circuitry and power ground.
Pin6: Output
This output directly drives the gate of a power MOSFET. Peak
currents up to 1A are sourced and sunk by this pin.
Pin7: Vcc
This pin is the positive supply of the control IC.
1
2
3
4
5
6
7
8
DIP-8
1
2
3
4
5
6
7
8
SO-8
Pin8: Vref
This is the reference output. It provides charging current for
capacitor CT through resistor RT.
1V
34V
2R
R
1
2
3
4
5
6
7
8
Vcc
Ground
VFB
COMP
Current
Sense
+
-
Error AMP.
VREF Good
Logic
2.50V
Current
Sense
Comparator
T
UVLO
5V
REF
Internal
Bias
PWM Latch
Output
VREF
5V 50mA
S/R
RT/CT
S
R
OSC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AX3842S | High Performance Current Mode Pwm Controlers |
| AX431 | Adjustable Shunt Regulator |
| AX431AA | ER 5C 3#12 2#8 PIN PLUG |
| AX431AM | Circular Connector; No. of Contacts:5; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:20; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:20-14 RoHS Compliant: No |
| AX431AN | Adjustable Shunt Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AX3842S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Performance Current Mode Pwm Controlers |
| AX390K | 功能描述:陶瓷復(fù)合電阻器 3.5watt 39ohm 10% High Energy Non-Ind. RoHS:否 制造商:KOA Speer 電阻:1 kOhms 容差:10 % 功率額定值:1 W 電壓額定值:500 V 系列:PCF 溫度系數(shù):- 1200 PPM / K 端接類型:Axial 尺寸:5.5 mm Dia. x 16.5 mm L 工作溫度范圍:- 40 C to + 200 C 封裝:Reel |
| AX390KE | 功能描述:陶瓷復(fù)合電阻器 3.5watt 39ohm 10% High Energy Non-Ind. RoHS:否 制造商:KOA Speer 電阻:1 kOhms 容差:10 % 功率額定值:1 W 電壓額定值:500 V 系列:PCF 溫度系數(shù):- 1200 PPM / K 端接類型:Axial 尺寸:5.5 mm Dia. x 16.5 mm L 工作溫度范圍:- 40 C to + 200 C 封裝:Reel |
| AX391K | 功能描述:陶瓷復(fù)合電阻器 3.5watt 390ohm 10% High Energy Non-Ind. RoHS:否 制造商:KOA Speer 電阻:1 kOhms 容差:10 % 功率額定值:1 W 電壓額定值:500 V 系列:PCF 溫度系數(shù):- 1200 PPM / K 端接類型:Axial 尺寸:5.5 mm Dia. x 16.5 mm L 工作溫度范圍:- 40 C to + 200 C 封裝:Reel |
| AX391KE | 功能描述:陶瓷復(fù)合電阻器 3.5watt 390ohm 10% High Energy Non-Ind. RoHS:否 制造商:KOA Speer 電阻:1 kOhms 容差:10 % 功率額定值:1 W 電壓額定值:500 V 系列:PCF 溫度系數(shù):- 1200 PPM / K 端接類型:Axial 尺寸:5.5 mm Dia. x 16.5 mm L 工作溫度范圍:- 40 C to + 200 C 封裝:Reel |
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