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| 型號： | UCC3882N |
| 英文描述： | 5-pin supervisor with watchdog timer and push-button reset |
| 中文描述： | 電流模式開關電源控制器 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大?。?/td> | 296K |
| 代理商： | UCC3882N |
SLUS458C AUGUST 2001 REVISED SEPTEMBER 2003
14
www.ti.com
TYPICAL CHARACTERISTICS
Figure 17
5
0
10
15
20
25
200 k
400 k
600 k
800 k
0 k
1 M
1-nF LOAD
NO LOAD
SUPPLY CURRENT
vs
OSCILLATOR FREQUENCY
I
f Frequency Hz
Figure 18
I
50
2.1
3.0
2.9
2.7
2.6
2.4
2.2
2.0
2.3
2.5
2.8
25
0
25
50
75
100
125
SUPPLY CURRENT
vs
TEMPERATURE
TJ Temperature
°
C
NO LOAD
Figure 19
OUTPUT RISE TIME AND FALL TIME
vs
TEMPERATURE
O
10
15
40
35
30
20
25
tf
tr
(1 nF)
50
25
0
25
50
75
100
125
TJ Temperature
°
C
(1 nF)
10% to 90%
VDD = 12 V
Figure 20
D
f Frequency kHz
MAXIMUM DUTY CYCLE
vs
OSCILLATOR FREQUENCY
50
100
90
60
0
500
80
70
CT = 220 pF
CT = 1 nF
1000
1500
2000
2500
相關PDF資料 |
PDF描述 |
|---|---|
| UCC3882N-1 | 5-pin supervisor with watchdog timer and push-button reset |
| UCC3882PW | 5-pin supervisor with watchdog timer and push-button reset |
| UCC3882PW-1 | 5-pin supervisor with watchdog timer and push-button reset |
| UCC3882PWTR | 5-pin supervisor with watchdog timer and push-button reset |
| UCC3884D | 5-pin supervisor with watchdog timer and push-button reset |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UCC3882N-1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:AVERAGE CURRENT MODE SYNCHRONOUS CONTROLLER WITH 5-BIT DAC |
| UCC3882PW | 功能描述:DC/DC 開關控制器 Avg Crnt Mode Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| UCC3882PW-1 | 制造商:Rochester Electronics LLC 功能描述:AVG CUR MODE SYNCH CONT W/ 5-BIT DAC - Bulk |
| UCC3882PWG4 | 功能描述:DC/DC 開關控制器 Avg Crnt Mode Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| UCC3882PWTR | 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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