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參數(shù)資料
| 型號： | UC3842G-D08-T |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| 中文描述： | 1 A SWITCHING CONTROLLER, 55 kHz SWITCHING FREQ-MAX, DIP8 |
| 封裝： | DIP-8 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 165K |
| 代理商： | UC3842G-D08-T |
UC3842G
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R103-036,A
7 of 8
CURRENT S ENSE CIRCUIT
5
3
1
2R
R
1V
C
Rs
R
Is
Error Amplifier
Current Sense Comparator
Peak current (I
S
) determined by the formula: I
SMAX
=1V/Rs. A small RC filter be required to suppress switch
transients
OS CILLAT OR AND S T ANDBY MODE
We can judge the state of output load through the voltage of PIN1. In order to reduce the standby power, it will
reduce the OSC frequency at right load. When V
COMP
2.2V, the OSC frequency begins to reduce. The normal
frequency is 52KHz, the minimum frequency is 14KHz.
2.2V
1.2V
Standby mode
Minimum frequency :14KHz
Normal
Frequency: 52KHz
Normal
Frequency: 52KHz
V
COMP
Increase
OSC triangle wave
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UC3842GL-D08-R | HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GL-D08-T | HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GL-S08-R | HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GL-S08-T | HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842G-S08-R | HIGH PERFORMANCE CURRENT MODE CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC3842GL-D08-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GL-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GL-S08-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GL-S08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLER |
| UC3842GP-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLER |
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