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參數(shù)資料
| 型號： | CS52843ED8 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 240K |
| 代理商： | CS52843ED8 |
Semiconductor Components Industries, LLC, 2006
July, 2006
Rev. 4
1
Publication Order Number:
CS52843/D
CS52843
Current Mode
PWM Control Circuit
The CS52843 provides all the necessary features to implement
off
line fixed frequency current
mode control with a minimum
number of external components.
The CS52843 incorporates a new precision temperature
controlled
oscillator to minimize variations in frequency. An undervoltage
lockout ensures that V
REF
is stabilized before the output stage is
enabled. In the CS52843 turn on is at 8.4 V and turn off at 7.6 V.
Other features include low start
up current, pulse
by
pulse current
limiting, and a high
current totem pole output for driving capacitive
loads, such as gate of a power MOSFET. The output is low in the off
state, consistent with N
channel devices.
Features
Optimized for Off
Line Control
Internally Temperature Compensated Oscillator
V
REF
Stabilized before Output Stage is Enabled
Very Low Start
Up Current 300
μ
A (typ)
Pulse
by
Pulse Current Limiting
Improved Undervoltage Lockout
Double Pulse Suppression
2.0% 5.0 Volt Reference
High Current Totem Pole Output
http://onsemi.com
A
WL, L
YY, Y
WW, W
= Assembly Location
= Wafer Lot
= Year
= Work Week
PIN CONNECTIONS AND
MARKING DIAGRAMS
SO
8
D SUFFIX
CASE 751
V
REF
V
CC
V
OUT
GND
COMP
V
Sense
OSC
5
1
A
Device
Package
Shipping
ORDERING INFORMATION
CS52843ED8
SO
8
95 Units/Rail
CS52843EDR8
SO
8
CS52843ED14
SO
14
2500 Tape & Reel
CS52843EDR14
SO
14
2500 Tape & Reel
55 Units/Rail
1
8
SO
14
D SUFFIX
CASE 751A
GND
OSC
Pwr GND
NC
V
OUT
Sense
V
CC
Pwr
NC
1
C
A
14
V
CC
V
FB
NC
NC
V
REF
COMP
1
14
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS52843EDR14 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| CS52843EDR8 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Current Mode PWM Control Circuit |
| CS52845 | 制造商:CHERRY 制造商全稱:CHERRY 功能描述:Current Mode PWM Control Circuit with 50% Max Duty Cycle |
| CS52845/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current Mode PWM Control Circuit with 50% Max Duty Cycle |
| CS-52845D14 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
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