參數(shù)資料
型號(hào): TIL5942NFC
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDIP16
封裝: PLASTIC, DIP-16
文件頁(yè)數(shù): 18/20頁(yè)
文件大小: 295K
代理商: TIL5942NFC
TIL5942, TIL5942A
CURRENT-MODE-PWM CONTROLLER
WITH OPTOISOLATED VOLTAGE REFERENCE AND ERROR AMPLIFIER
SOES040 – OCTOBER 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
1
2
4
3
16
15
II(LED)
+
+
VF
Vref
VO(COMP)
1
2
4
3
II(LED)
Vref
VI(LED)
R1
R2
A
V
Figure 2. Vref, VF, Imin Test Circuit
Figure 3.
Vref/VI(LED) Test Circuit
V
14
13
12
11
10
9
PWM
With
Photo-
Diode
16
15
14
13
12
11
10
9
PWM
With
Photo-
Diode
Figure 4. II(FB) Test Circuit
Figure 5. II(off) Test Circuit
1
2
4
3
II(FB)
1
2
4
3
II(off)
Vref
II(LED)
V
R3
V
A
VI(LED)
16
15
14
13
12
11
10
9
PWM
With
Photo-
Diode
16
15
14
13
12
11
10
9
PWM
With
Photo-
Diode
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