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参数资料
| 型号： | ISL97672BIRZ-T |
| 厂商： | Intersil |
| 文件页数： | 3/16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
Pin Descriptions (I = Input, O = Output, S = Supply)
PIN NAME
FAULT
VIN
EN
VDC
PWM
/FLAG
PIN #
1
2
3
4
5
6
TYPE
O
S
I
S
I
O
DESCRIPTION
A pull-down current output for external P-channel fault disconnect switch.
Input supply voltage for IC. Connect a 0.1μF decoupling capacitor close to this pin.
IC enable pin. Pull high to enable the IC. If EN is low for longer than 30μs, the IC will be disabled.
Internal 5V regulator. Connect a 1μF decoupling capacitor on VDC.
PWM input pin for direct PWM dimming control.
/FLAG is latched low under any fault condition and resets after input power is recycled or part is re-enabled. This
pin is an open drain that needs pull-up.
NC
FSW
7
8
I
I
No Connect.
Boost switching frequency set pin. Connect a resistor between this pin and ground to set up desired boost switching
frequency. See “Switching Frequency” on page 9 for resistance calculation.
AGND
CH0, CH1
CH2, CH3
CH4, CH5
OVP
RSET
9
10, 11,
12, 13,
14, 15
16
17
S
I
I
I
Analog Ground for precision circuits.
Current source and channel monitoring input for Channel 0, 1, 2 3, 4, 5.
Overvoltage protection input. See “OVP and V OUT ” on page 10.
LED DC current set pin. Connect a resistor between this pin and ground to set up maximum LED DC current. See
“Maximum DC Current Setting” for resistance calculation.
COMP
18
O
Boost compensation pin. Connect a RC compensation network between this pin and GND to optimize boost stability
and transient response.
PGND
LX
19
20
S
O
3
Power ground.
Boost converter switching node
FN7995.1
November 22, 2013
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相关代理商/技术参数 |
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| ISL97672IRZ | 制造商:Intersil Corporation 功能描述:6-CH LED DRIVER WITH PWM DIMMING - Rail/Tube 制造商:Intersil 功能描述:6-CH LED DRVR W/PWM DIM |
| ISL97672IRZ-T | 制造商:Intersil Corporation 功能描述:6-CH LED DRIVER WITH PWM DIMMING, T&R - Tape and Reel 制造商:Intersil 功能描述:6-CH LED DRVR W/PWM DIM |
| ISL97672IRZ-TK | 制造商:Intersil Corporation 功能描述:6-CH LED DRIVER WITH PWM DIMMING, 1K T&R - Tape and Reel 制造商:Intersil 功能描述:6-CH LED DRVR W/PWM DIM 1K |
| ISL97673IRZ | 制造商:Intersil Corporation 功能描述:6-CH LED DRIVER WITH SMBUS OR PWM DIMMING AND PHASE SHIFT CO - Rail/Tube 制造商:Intersil 功能描述:6-CH LED DRVR W/SMBU OR PWM DIM & PHS |
| ISL97673IRZ-T | 制造商:Intersil Corporation 功能描述:6-CH LED DRIVER WITH SMBUS OR PWM DIMMING AND PHASE SHIFT CO - Tape and Reel 制造商:Intersil 功能描述:6-CH LED DRVR W/SMBU OR PWM DIM & PHS |
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