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參數(shù)資料
| 型號： | 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)： | 4/16頁 |
| 文件大?。?/td> | 248K |
| 代理商： | LT1942EUF |
LT1942
4
1942fa
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 3.3V, V
SHDN
= V
IN
, unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
PGOOD Leakage Current
PGOOD NPN Off, V
PGOOD
= 5V
PGOOD Sink Current
PGOOD NPN On, V
PGOOD
= 1V
CT Charging Current
CT Reference Voltage
V
OUT3
Leakage Current
Output Disconnect PNP Off, D3 = 36V, V
OUT
= 0V
V
OUT3
Source Current
Output Disconnect PNP On, D3 = 3V, V
OUT
= 2.5V
Minimum D3/V
OUT3
Operating Voltage
Minimum D3 Voltage for Proper Output
Disconnect PNP Operation
D4 LED Open-Circuit Voltage
MIN
TYP
0
0.7
12
0.8
0
15
3
MAX
0.1
UNITS
ELECTRICAL CHARACTERISTICS
μ
A
mA
μ
A
0.5
V
1
μ
A
mA
10
V
38
42
44
V
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LT1942 is guaranteed to meet performance specifications
from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C operating
temperature range are assured by design, characterization and correlation
with statistical controls.
Note 3:
Current flows out of the pin.
Note 4:
Current limit guaranteed by design and/or correlation to static test.
Note 5:
V
CESAT
100% tested at wafer level.
TYPICAL PERFOR U
V
FB1
Voltage
TEMPERATURE (
°
C)
–40
V 1.26
1.24
1.27
1.28
20
60
1942 G01
1.25
–20
0
40
80
100
1.23
1.22
TEMPERATURE (
°
C)
–40
–155
V
–154
–152
–151
–150
–145
–148
0
40
60
1942 G02
–153
–147
–146
–149
–20
20
80
100
TEMPERATURE (
°
C)
–40
V 1.26
1.24
1.27
1.28
20
60
1942 G01
1.25
–20
0
40
80
100
1.23
1.22
NFB2 Voltage
V
FB3
Voltage
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|---|---|
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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 |
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