參數(shù)資料
型號(hào): ISL97801ARZ-T
廠(chǎng)商: INTERSIL CORP
元件分類(lèi): 顯示驅(qū)動(dòng)器
英文描述: High Power LED Driver
中文描述: LED DISPLAY DRIVER, PQCC20
封裝: 4 X 4 MM, ROHS COMPLIANT, PLASTIC, QFN-20
文件頁(yè)數(shù): 5/19頁(yè)
文件大?。?/td> 707K
代理商: ISL97801ARZ-T
5
FN6428.1
April 2, 2007
FIGURE 7. 5 LEDs CURRENT ACCURACY vs INPUT VOLTAGE
FIGURE 8. 3 LEDs CURRENT ACCURACY vs INPUT VOLTAGE
FIGURE 9. 8 LEDs LINE REGULATION OF PWM DUTY
CYCLE OF 99%
FIGURE 10. 5 LEDs LINE REGULATION OF PWM DUTY
CYCLE OF 99%
FIGURE 11. 3 LEDs LINE REGULATION OF PWM DUTY
CYCLE OF 99%
FIGURE 12. 8 LEDs LINE REGULATION OF PWM DUTY
CYCLE OF 10%
Typical Performance Curves
(Continued)
-10
-8
-6
-4
-2
0
2
4
6
8
10
4
6
8
10
12
14
16
V
IN
(V)
Δ
I
L
(
5 LEDs
I
LEDpeak
= 380mA
10% @ 100Hz
10% @ 10kHz
99% @ 10kHz
99% @ 100Hz
-4
-2
0
2
4
6
8
10
12
14
16
10
9
8
7
6
5
4
V
IN
(V)
Δ
I
L
(
3 LEDs
I
LEDpeak
= 380mA
99% @ 100Hz
99% @ 10kHz
350
355
360
365
370
375
380
385
390
395
400
6
8
10
12
14
16
18
V
IN
(V)
I
L
(
8 LEDs
I
LEDpeak
= 380mA
DUTY CYCLE = 99%
PWM @ 100Hz
PWM @ 10kHz
PWM @ 1kHz
350
355
360
365
370
375
380
385
390
395
400
405
410
415
420
4
6
8
10
12
14
16
I
L
V
IN
(V)
5 LEDs
I
LEDpeak
= 380mA
DUTY CYCLE = 99%
99% @ 100Hz
99% @ 10kHz
360
365
370
375
380
385
390
395
400
405
410
4
5
6
7
8
9
10
I
L
3 LEDs
I
LEDpeak
= 380mA
DUTY CYCLE = 99%
PWM @ 100Hz
PWM @ 10kHz
V
IN
(V)
30
31
32
33
34
35
36
37
38
39
40
6
8
10
12
14
16
18
I
L
8 LEDs
I
LEDpeak
= 380mA
DUTY CYCLE = 10%
PWM @ 10kHz
V
IN
(V)
PWM @ 100Hz
PWM @ 1kHz
ISL97801
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