參數(shù)資料
型號(hào): ASM8P18S42ER
廠商: Alliance Semiconductor Corporation
英文描述: Voltage Mode PWM Controller with EMI Reduction
中文描述: 電壓模式PWM控制器與EMI還原
文件頁數(shù): 5/11頁
文件大?。?/td> 1618K
代理商: ASM8P18S42ER
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(guān)PDF資料
PDF描述
ASM8P18S42ERF-08-SX Voltage Mode PWM Controller with EMI Reduction
ASM8P18S43ER Voltage Mode PWM Controller with EMI Reduction
ASM8P18S44ER Voltage Mode PWM Controller with EMI Reduction
ASM8P18S45ER Voltage Mode PWM Controller with EMI Reduction
ASM8P18S45ERF-08-MX Voltage Mode PWM Controller with EMI Reduction
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ASM8P18S42ERF-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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ASM8P18S42F-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
ASM8P18S42F-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