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参数资料
| 型号： | ISL97672BIRZ-T |
| 厂商： | Intersil |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR BACKLIGHT 20QFN |
| 标准包装： | 6,000 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 6 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 频率： | 200kHz ~ 1.5MHz |
| 电源电压： | 4.5 V ~ 26.5 V |
| 输出电压： | 45V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN（3x4） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
ISL97672B
Electrical Specifications All specifications are tested at T A = +25°C, V IN = 12V, EN = 5V, R SET = 20.1k Ω , unless otherwise noted. Boldface
limits apply over the operating junction temperature range, -40°C to +85°C.
MIN
MAX
PARAMETER
FLAG_ON
DESCRIPTION
Flag Voltage when Fault Occurs
CONDITION
When Fault Occurs,
(Note 8)
TYP
0.04
(Note 8)
0.12
UNIT
V
I PULLUP = 4mA
FAULT PIN
I FAULT
V FAULT
LXstart_thres
ILX Startup
Fault Pull-down Current
Fault Clamp Voltage with Respect to V IN
LX Start-up Threshold
LX Start-up Current
V IN = 12V
V IN = 12, V IN - V FAULT
VDC = 5.0V
12
6
0.9
1
21
7
3.5
30
8.3
1.2
5
μA
V
V
mA
NOTES:
8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
9. Compliance to limits is assured by characterization and design.
10. At maximum V IN of 26.5V, minimum V OUT is 28V. Minimum V OUT can be lower at lower V IN .
Typical Performance Curves
100
90
80
100
90
80
6P10S_30mA/CHANNEL
70
60
12V IN
24V IN
5V IN
70
60
12V IN
24V IN
5V IN
50
40
30
20
10
50
40
30
20
10
0
0
5
10
15
20
25
0
0
5
10
15
20
25
30
35
I LED(mA)
FIGURE 4. EFFICIENCY vs UP TO 20mA LED CURRENT (100% LED
DUTY CYCLE) vs V IN
100
90
80
I LED(mA)
FIGURE 5. EFFICIENCY vs UP TO 30mA LED CURRENT (100% LED
DUTY CYCLE) vs V IN
100
80
70
60
580k
1.2MHz
60
580k
1.2MHz
50
40
30
20
10
40
20
0
0
5
10
15
20
25
30
0
0
5
10
15
20
25
30
V IN
FIGURE 6. EFFICIENCY vs V IN vs SWITCHING FREQUENCY AT 20mA
(100% LED DUTY CYCLE)
6
V IN
FIGURE 7. EFFICIENCY vs V IN vs SWITCHING FREQUENCY AT 30mA
(100% LED DUTY CYCLE)
FN7995.1
November 22, 2013
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