參數(shù)資料
型號： ISL97801ARZ-T
廠商： INTERSIL CORP
元件分類： 顯示驅(qū)動器
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
文件頁數(shù)： 3/19頁
文件大?。?/td> 707K
代理商： ISL97801ARZ-T
3
FN6428.1
April 2, 2007
.
V
LEVEL
Light Control Voltage Linear Input Range Mode = 1, analog control of LED current
0.25
3
V
FB
UV FAULT
Feedback Undervoltage Fault
VLEVEL = 1V, EN/PWM = 3V
120
160
180
mV
FB
OV FAULT
Feedback Overvoltage Fault
VLEVEL = 1V, EN/PWM = 3V
220
250
280
mV
f
SW
Switching Frequency
850
1000
1150
kHz
f
DIMMING
Maximum Recommended PWM
Dimming Frequency
Mode = 1, modulation signal applied to
EN/PWM
10
kHz
t
SWITCH
Load Switch Transition Time
C
GATE
= 2nF
100
ns
RLS
DRIVERL
Load Switch Driver Impedance Low
EN/PWM = 0
30
50
Ω
RLS
DRIVERH
Load Switch Driver Impedance High
EN/PWM = 3V
30
50
Ω
t
FAULT
Fault Timer Period
40
50
58
ms
t
DELAY
Start-up Delay
Timed LX switching delay
0.85
1
1.17
ms
V
FAULTPUMP
Fault Pin Charge Pump
V
BAT
= V
IN
= 3V
6
V
V
BOOST
Boost Mode Threshold
BUCK/BOOSTN = GND
0.4V
DC
V
V
BUCK
Buck Mode Threshold
BUCK/BOOSTN = V
DC
0.94V
DC
V
V
MODEL
Mode Low Threshold
MODE = GND
1/3V
DC
V
V
MODEH
Mode High Threshold
MODE = V
DC
2/3V
DC
V
en
FAULT
Input Level Applied to TMAX Pin to
Enable Fault Protection
0.9V
DC
V
dis
FAULT
Input Level Applied to TMAX Pin to
Disable Fault Protection
0.96V
DC
V
en
TEMP
Input Level Applied to TEMP Pin to
Enable Temperature Compensation
0.5
V
dis
TEMP
Input Level Applied to TEMP Pin to
Disable Temperature Compensation
0.08
V
T
COMPP
VFB Positive Temperature
Compensation; VFB/VFBnom
VTEMP/VDC = 0.80
1.26
T
COMPN
VFB Negative Temperature
Compensation; VFB/VFBnom
VTEMP/VDC = 0.20
0.74
T
TRIP
Internal Temperature Protection
Threshold
135
°C
T
HYS
Internal Temperature Protection
Hysteresis
25
°C
VEN/PWM
L
EN/PWM Pin Input Low Threshold
1.2
V
VEN/PWM
H
EN/PWM Pin Input High Threshold
2.5
V
V
DCUVLO
V
DC
Under Voltage Lockout
2.6
V
Rschottky
Internal Schottky Diode for Buck
15
23
Ω
Electrical Specifications
V
BAT
= V
IN
= 12V, V
DC
= 5V, T
A
= -40°C to +105°C unless otherwise specified.
(Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
TABLE 1. LIGHT OUTPUT CONTROL, V
DC
= 5.0V
MODE
TEMP
OPERATING MODE
1
(VDC - 0.25) > V > 0.25V
Standard Mode
light level to PWM modulation of EN/PWM input; LED bias current determined by
LEVEL voltage, nominal 1V
Don’t Care
V < 0.25V
Disable temperature compensation
0
V < (VDC - 0.25)
Fixed Bias Mode
V
FB
level internally set to 0.4V, independent of V
LEVEL
ISL97801
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ISL97801BOOSTEVALZ 功能描述:EVAL BOARD FOR ISL97801 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - LED 驅(qū)動器 系列:* 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® 電流 - 輸出 / 通道:20mA 輸出及類型:1，非隔離 輸出電壓:17V 特點(diǎn):可調(diào)光 輸入電壓:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相關(guān)產(chǎn)品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD
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ISL97900CRZ-T 功能描述:LED照明驅(qū)動器 High Current RGB Driver/Controller, 28L 4x5 QFN, Commercial RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
ISL97900CRZ-T7A 功能描述:LED照明驅(qū)動器 High Current RGB Driver/Controller, 28L 4x5 QFN,Commercial T RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
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