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參數資料
| 型號： | AX3842S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Performance Current Mode Pwm Controlers |
| 中文描述： | 高性能電流模式PWM Controlers |
| 文件頁數： | 1/12頁 |
| 文件大小： | 265K |
| 代理商： | AX3842S |
Page No. : 1/12
AVANTICS - AX3842 Series
Specification No.: 050308-FE0008
AX3842P / AX3842S
High Performance Current Mode Pwm Controlers
Description
The AX3842 Series is high performance fixed frequency current mode controllers.
That is specifically designed for Off-Line and DC To DC converter applications
offering the designer a costeffective solution with minimal external components.
These integrated circuits feature a trimmed oscillator for precise duty cycle control.
A temperature compensated reference, high gain error amplifier, current sensing
compara-tor, and a high current totem pole output ideally suited for driving a
power MOSFET. Also included are protective features consisting of input and
reference undervoltage lockouts each with hysteresis, cycle-by-cycle current
limiting, programmable output deadtime, and a latch for single pulse metering.
Features
Trimmed Oscillator for Precise Frequency Control
Oscillator Frequency Guaranteed at 250 kHz
Current Mode Operation to 500 kHz
Automatic Feed Forward Compensation
Latching PWM for Cycle-By-Cycle Current Limiting
Internally Trimmed Reference with Undervoltage Lockout
High Current Totem Pole Output
Undervoltage Lockout with Hysteresis
Low Startup and Operating Current
Absolute Maximum Ratings
Symbol
V
i
V
i
I
O
E
O
Parameter
Value
30
Unit
V
Supply Voltage (low impedance source)
Supply Voltage (I
i
<30mA)
Output Current
Self Limiting
±
1
5
-0.3 to 5.5
10
A
Output Energy (capacitive load)
Analog Inputs (pin 2, 3)
Error Amplifier Output Sink Current
Power Dissipation at T
amb
≤
25
o
C
Storage Temperature Range
Junction Operating Temperature
Lead Temperature (soldering 10s)
uJ
V
mA
P
tot
T
stg
T
J
T
L
800
mW
-65 to 150
-40 to 150
300
o
C
o
C
o
C
Thermal Data
Symbol
Description
DIP-8
SO-8
Units
Rth j-amb
Thermal Resistance Junction-ambient
100
150
o
C/W
8-Lead Plastic
SO-8
Package Code: S
8-Lead Plastic
DIP-8
Package Code: P
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| AX431AS | Adjustable Shunt Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AX390K | 功能描述:陶瓷復合電阻器 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:- 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:- 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:- 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:- 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 |
| AX39GK | 功能描述:陶瓷復合電阻器 3.5watt 3.9ohm 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:- 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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