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參數(shù)資料
| 型號： | ASM8I18S42ERF-08-PX |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Voltage Mode PWM Controller with EMI Reduction |
| 中文描述： | 1 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大小： | 1618K |
| 代理商： | ASM8I18S42ERF-08-PX |
ASM8P18S42 / ASM8P18S42ER
ASM8P1843 / ASM8P18S43ER
ASM8P18S44ER / ASM8P18S45ER
June 2005
rev 0.6
Voltage Mode
PWM Controller with EMI Reduction 2 of 11
Notice: The information in this document is subject to change without notice.
Logic Block Diagram
Pin Diagram
8-Pin MicroSO, P-DIP and SOIC
Pin Description
Pin #
Pin Name
Function
1
COMP
FB
Input of the PWM Comparator and output of the error amplifier
2
Feedback, inverting input of the error amplifier
3
I
SNS
Current sense comparator input
4
FSEL
External capacitor selects PWM frequency
5
GND
Ground
6
OUT
SS modulated PWM output
7
V
DD
Supply voltage
5V output for ASM8PI8S42 and ASM8PI843 parts. External resistor ”
R
D
”
to GND sets the modulation spread for the parts with ER suffix.
8
V
REF
/
R
D
I
SNS
GND
PWM
SS MOD
Control
OL + UC
SENSE
UVLO
THERMAL
SHUTDOWN
V
BG
DRIVER
Error
Amp
COMP
FB
OUT
V
REF
V
DD
F
SEL
1
2
3
4
8
7
6
5
ASM8P18S42
COMP
FB
I
SNS
F
SEL
GND
OUT
V
DD
V
REF
ASM8P1843
COMP
1
2
3
4
8
7
6
5
FB
I
SNS
F
SEL
GND
OUT
V
DD
R
D
ASM8P18S42ER
ASM8P18S43ER
ASM8P18S44ER
ASM8P18S45ER
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM8P18S42ERF-08-PX | Voltage Mode PWM Controller with EMI Reduction |
| ASM8I18S42F-08-MX | Voltage Mode PWM Controller with EMI Reduction |
| ASM8P18S42F-08-MX | Voltage Mode PWM Controller with EMI Reduction |
| ASM8I18S42F-08-PX | Voltage Mode PWM Controller with EMI Reduction |
| ASM8P18S42F-08-PX | Voltage Mode PWM Controller with EMI Reduction |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM8I18S42ERF-08-SX | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Voltage Mode PWM Controller with EMI Reduction |
| ASM8I18S42F-08-MX | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Voltage Mode PWM Controller with EMI Reduction |
| ASM8I18S42F-08-PX | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Voltage Mode PWM Controller with EMI Reduction |
| ASM8I18S42F-08-SX | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Voltage Mode PWM Controller with EMI Reduction |
| ASM8I18S43ERF-08-MX | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Voltage Mode PWM Controller with EMI Reduction |
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