參數(shù)資料
型號(hào): UC3844L-D08-T
廠商: UNISONIC TECHNOLOGIES CO LTD
元件分類: 穩(wěn)壓器
英文描述: HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, DIP8
封裝: LEAD FREE, DIP-8
文件頁(yè)數(shù): 6/7頁(yè)
文件大?。?/td> 307K
代理商: UC3844L-D08-T
UC3844/45
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 7
QW-R103-010,C
T Y PICAL CHARACTERIST ICS
100
50
10
5.0
1.0
10k
20k
50k
100k
Oscillator Frequency, I
OSC
(Hz)
T
T
(
Ω
)
200k
500k 1.0M
Timing Resistor vs. Oscillator Frequency
2.0
20
75
65
60
10k
20k
50k
100k
P
200k
500k
1.0M
Output Deadtime vs. Oscillator Frequency
55
70
V
CC
= 15V
T
A
= 25
100pF
200pF
500pF
10nF
20nF
50nF
C
T
=10nF
Note: Output Switches At
One-Half The Oscillator
Frequency
50
Oscillator Frequency, I
OSC
(Hz)
1.0nF
2.0nF
5.0nF
C
T
= 10nF
100pF
200pF
500pF
100
80
40
20
-20
10
100
1.0k
10k
Frequency, f (Hz)
O
V
(
100k
1.0M
10M
Error Amp Open Loop Gain Phase vs. Frequency
0
60
1.2
0.8
0.4
0
2.0
4.0
C
I
6.0
8.0
Current Sense Input Threshold vs. Error Amp
Output Voltage
0.2
1.0
V
CC
= 15V
V
OUT
= 2.0V ~ 4.0V
R
L
= 100k
T
A
= 25
Phase
Gain
0
Error Amp Output Voltage, V
OUT
(V)
E
φ
0
30
90
120
180
150
60
0.6
T
A
= 25
V
CC
= 15V
T
A
= 125
T
A
= -55
相關(guān)PDF資料
PDF描述
UC3844L-S08-R HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UC3844L-S08-R 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
UC3844L-S08-T 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
UC3844N 功能描述:電流型 PWM 控制器 Current Mode RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC3844NG 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM w/48% Duty Cycle Max RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC3844NG4 功能描述:電流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14