參數(shù)資料
型號: ASM8P18S44ERF-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): 5/11頁
文件大小: 1618K
代理商: ASM8P18S44ERF-08-PX
ASM8P18S42 / ASM8P18S42ER
ASM8P1843 / ASM8P18S43ER
ASM8P18S44ER / ASM8P18S45ER
June 2005
rev 0.6
Voltage Mode
PWM Controller with EMI Reduction 5 of 11
Notice: The information in this document is subject to change without notice.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Rise Time
t
R
T
A
= 25°C, C
L
=1nF
30
nS
Fall Time
t
F
T
A
= 25°C, C
L
=1nF
30
nS
Shoot Through Current
0
UVLO SECTION
ASM8P1843,
ASM8P18S43ER,
ASM8P18S45ER,
ASM8P18S42,
ASM8P18S42ER
ASM8P18S44ER
ASM8P1843,
ASM8P18S43ER,
ASM8P18S45ER
ASM8P18S42,
ASM8P18S42ER,
ASM8P18S44ER
7.8
Start threshold
V
th(START)
15.4
V
6.7
V
Stop Threshold
V
th(STOP)
10.2
PWM SECTION
PWM frequency
f
S
40
400
kHz
ASM8P18S44ER,
ASM8P18S45ER
0
50
Duty Cycle Range
ASM8P18S42,
ASM8P18S42ER,
ASM8P1843,
ASM8P18S43ER
0
95
%
TOTAL DEVICE
Start up Current
I
ST
275
μ
A
Peak Output Current
I
OUT(PK)
1000
mA
Operating Current
I
CC(OPR)
V
FB
= 0; I
SNS
= 0.5;
V
DD
= 15V
Junction Temp
5
6
mA
Thermal Shutdown
V
Z
155
°
C
Thermal Recovery
126
°
C
SPREAD SPECTRUM SECTION
ASM8P18S43ER,
ASM8P18S45ER
ASM8P18S42,
ASM8P18S42ER,
ASM8P18S44ER
Refer R
D
Resistor Vs. % Modulation Depth Plot
1/20
Modulation Rate
1/10
of Switching
Frequency
(KHz)
Modulation Depth
OSCILLATOR SECTION
Frequency change with Voltage
Df/d V
CC
0.04
0.05
%
Oscillator Amplitude
1.66
V (Pk-Pk)
Temperature Stability
T
OSC
0.1
%/
°
C
相關PDF資料
PDF描述
ASM8I18S44ERF-08-SX Voltage Mode PWM Controller with EMI Reduction
ASM8P18S44ERF-08-SX Voltage Mode PWM Controller with EMI Reduction
ASM8I18S42ERF-08-SX Voltage Mode PWM Controller with EMI Reduction
ASM8I18S45ERF-08-PX Voltage Mode PWM Controller with EMI Reduction
ASM8I18S45ERF-08-SX Voltage Mode PWM Controller with EMI Reduction
相關代理商/技術參數(shù)
參數(shù)描述
ASM8P18S44ERF-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
ASM8P18S45ER 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Voltage Mode PWM Controller with EMI Reduction
ASM8P18S45ERF-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
ASM8P18S45ERF-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
ASM8P18S45ERF-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