參數(shù)資料
型號(hào): ISL97634IRT14Z-T
廠商: INTERSIL CORP
元件分類: 顯示驅(qū)動(dòng)器
英文描述: White LED Driver with Wide PWM Dimming Range
中文描述: LED DISPLAY DRIVER, DSO8
封裝: 2 X 3 MM, ROHS COMPLIANT, PLASTIC, TDFN-8
文件頁數(shù): 4/10頁
文件大?。?/td> 470K
代理商: ISL97634IRT14Z-T
4
FN6264.2
April 10, 2007
Typical Performance Curves
FIGURE 1. EFFICIENCY vs PWM DUTY CYCLE
FIGURE 2. QUIESCENT CURRENT vs V
IN
(PWM/EN = HI)
FIGURE 3. LOAD REGULATION (V
IN
= 4V)
FIGURE 4. LINE REGULATION
FIGURE 5. DIMMNG LINEARITY (FB VOLTAGE) vs DUTY
CYCLE
FIGURE 6. PWM DIMMING AT 1kHz, D = 1%
50
55
60
65
70
75
80
85
90
0
20
40
PWM DUTY CYCLE (%)
60
80
100
E
3 LEDs, 10μH
3 LEDs, 22μH
6 LEDs, 10μH
6 LEDs, 22μH
4 LEDs, 10μH
V
IN
= 4V
RSET = 4
Ω
f
PWM
= 1kHz
ILED_peak = 25mA
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
2
4
6
I
1
3
5
V
IN
(V)
19.92
19.96
20.00
20.04
20.08
0
5
10
15
20
25
30
I
O
(
V
OUT
(V)
19.62
19.64
19.66
19.68
19.70
19.72
19.74
19.76
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
IN
(V)
I
O
(
0
10
20
30
40
50
60
70
80
90
100
0
20
40
60
80
100
120
DUTY CYCLE (%)
6 LEDs
VIN = 4V
RSET = 4
Ω
L = 10μH
F
20kHz
32kHz
1kHz
ILED
PWM/EN
LX
V
OUT
V
IN
= 4V
R1 = 4
Ω
L1 = 22μH
ISL97634
相關(guān)PDF資料
PDF描述
ISL97634IRT14Z-TK White LED Driver with Wide PWM Dimming Range
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ISL97634IRT26Z-T White LED Driver with Wide PWM Dimming Range
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參數(shù)描述
ISL97634IRT14Z-TK 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓(升壓),切換式電容器(充電泵) 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C
ISL97634IRT18Z 制造商:Intersil 功能描述:White LED Driver with PWM Dimming(4 LED)
ISL97634IRT18Z-T 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓(升壓),切換式電容器(充電泵) 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C
ISL97634IRT18Z-TK 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓(升壓),切換式電容器(充電泵) 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C
ISL97634IRT26Z-T 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓(升壓),切換式電容器(充電泵) 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C