參數(shù)資料
型號(hào): LT1942EUF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Quad DCDC Converter for Triple Outputs TFT Supply Plus LED Driver
中文描述: 4 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 4 MM, 0.75 MM HEIGHT, PLASTIC, MO-220WGGD, QFN-24
文件頁數(shù): 6/16頁
文件大?。?/td> 248K
代理商: LT1942EUF
LT1942
6
1942fa
TYPICAL PERFOR U
LED1 to LED2 Current Matching
V
OUT3
vs I
OUT3
LED Open-Circuit Protection
Voltage
D4 Forward Voltage
V
OFF
Diode Forward Voltage
AV
DD
Switcher Current Limit
LED Switcher Current Limit
V
ON
Diode Forward Voltage
LED2 CURRENT (mA)
2
6
10
14
18
26
30
L
0
1.0
1942 G13
–1.0
–2.0
22
34
2.0
–0.5
0.5
–1.5
1.5
T
A
= 85
°
C
T
A
= –40
°
C
T
A
= 25
°
C
V
LED1
= V
LED2
+ 1V
I
OUT3
CURRENT (mA)
0.01
200
D
O
250
300
350
400
0.1
1
10
1942 G14
150
100
50
0
450
500
T
A
= 85
°
C
T
A
= –40
°
C
T
A
= 25
°
C
TEMPERATURE (
°
C)
–40
42.0
V
O
42.2
42.6
42.8
43.0
44.0
43.4
0
40
60
1942 G08
42.4
43.6
43.8
43.2
–20
20
80
100
D4 CURRENT (mA)
400
D
800
1200
1400
0.1
10
100
1000
1942 G16
0
1
1000
600
200
T
A
= 25
°
C
V
OFF
DIODE CURRENT (mA)
400
V
O
800
1200
1400
0.1
10
100
1000
1942 G17
0
1
1000
600
200
T
A
= 25
°
C
DUTY CYCLE (%)
20
I
L
200
250
300
50
70
1942 G18
150
100
30
40
60
80
90
50
0
T
A
= 25
°
C
V
ON
DIODE CURRENT (mA)
400
V
O
800
1200
1400
0.1
10
100
1000
1942 G19
0
1
1000
600
200
T
A
= 25
°
C
DUTY CYCLE (%)
20
0
I
L
100
300
400
500
60
900
1942 G20
200
40
30
70
80
50
90
600
700
800
T
A
= 25
°
C
相關(guān)PDF資料
PDF描述
LT1943 High Current Quad Output Regulator for TFT LCD Panels
LT1943EFE High Current Quad Output Regulator for TFT LCD Panels
LT1944 1.4A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
LT1944-1 Dual Micropower Step-Up DC/DC Converter
LT1944-1EMS Dual Micropower Step-Up DC/DC Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1942EUF#PBF 功能描述:IC REG SW QUAD TFT LCD 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器,Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN(7x7) 包裝:管件
LT1942EUF#TRPBF 功能描述:IC REG SW QUAD TFT LCD 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器,Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN(7x7) 包裝:管件
LT1942EUFPBF 制造商:Linear Technology 功能描述:Conv DC-DC Quad Inv/Step-Up 16V QFN24EP
LT1943 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad DCDC Converter for Triple Outputs TFT Supply Plus LED Driver
LT1943_1 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Current Quad Output Regulator for TFT LCD Panels