參數(shù)資料
型號: UCC2819PW
廠商: Texas Instruments, Inc.
元件分類: 基準電壓源/電流源
英文描述: PROGRAMMABLE OUTPUT POWER FACTOR PREREGULATOR
中文描述: 可編程輸出功率因數(shù)前置穩(wěn)壓器
文件頁數(shù): 8/10頁
文件大?。?/td> 156K
代理商: UCC2819PW
SLUS482B - APRIL 2001 REVISED DECEMBER 2004
8
www.ti.com
APPLICATION INFORMATION
Figure 2
14
12
10
7.45
7.50
7.55
7.60
7.40
VCC Supply Voltage V
13
11
9
V
REFERENCE VOLTAGE
vs
SUPPLY VOLTAGE
Figure 3
REFERENCE VOLTAGE
vs
REFERENCE CURRENT
0
5
10
15
20
25
7.495
7.500
7.505
7.510
7.490
V
IVREF Reference Current mA
Figure 4
MULTIPLIER OUTPUT CURRENT
vs
VOLTAGE ERROR AMPLIFIER OUTPUT
0.0
1.0
2.0
3.0
4.0
5.0
50
200
250
350
0
100
300
150
IAC = 150
μ
A
IAC = 300
μ
A
IAC = 500
μ
A
I
M
μ
A
VAOUT Voltage
Error Amplifier
Output V
Figure 5
MULTIPLIER GAIN
vs
VOLTAGE ERROR AMPLIFIER OUTPUT
1.0
2.0
3.0
4.0
5.0
0.7
1.1
1.3
1.5
0.5
0.9
IAC = 300
μ
A
IAC = 500
μ
A
IAC = 150
μ
A
M
VAOUT Voltage
Error Amplifier
Output V
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