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參數(shù)資料
| 型號： | LTC3450EUD |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Triple Output Power Supply for Small TFT-LCD Displays |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, PQCC16 |
| 封裝： | 3 X 3 MM, PLASTIC, MO-220-WEED2, QFN-16 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 401K |
| 代理商： | LTC3450EUD |
LTC3450
1
3450f
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
5.1V, –10V, 15V Triple Output TFT-LCD Supply
U
The LTC
3450 is a complete power converter solution for
small thin film transistor (TFT) liquid crystal display (LCD)
panels. The device operates from a single Lithium-Ion cell,
2- to 3-cell alkaline input or any voltage source between
1.5V and 4.6V.
The synchronous boost converter generates a low noise,
high efficiency 5.1V, 10mA supply. Internal charge pumps
are used to generate 10V, 15V, and –5V, –10V or –15V.
Output sequencing is controlled internally to insure proper
initialization of the LCD panel.
A master shutdown input reduces quiescent current to
<2
μ
A and quickly discharges each output for rapid turn off
of the LCD panel. The LTC3450 is offered in a low profile
(0.8mm max), 3mm
×
3mm 16-pin QFN package, mini-
mizing the solution profile and footprint.
I
Cellular Handsets with Color Display
I
Handheld Instruments
I
PDA
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Generates Three Voltages:
5.1V at 10mA
–5V, –10, or –15V at 500
μ
A
10V or 15V at 500
μ
A
I
Better than 90% Efficiency
I
Low Output Ripple: Less than 5mV
P-P
I
Complete 1mm Component Profile Solution
I
Controlled Power-Up Sequence: AV
DD
/V
GL
/V
GH
I
All Outputs Disconnected and Actively Discharged in
Shutdown
I
Low Noise Fixed Frequency Operation
I
Frequency Reduction Input for High Efficiency in
Blank Mode
I
Ultralow Quiescent Current: 75
μ
A (Typ) in Scan Mode
I
Available in a 3mm
×
3mm 16-Pin QFN Package
Triple Output Power Supply
for Small TFT-LCD Displays
0.1
μ
F
2.2
μ
F
V
IN
1.5V TO
4.6V
AV
5.1V/10mA
VGH (3
×
AV
DD
)
15V/500
μ
A
VGL
–10V/500
μ
A
3450 TA01
0.1
μ
F
C1
+
C1
–
0.1
μ
F
C2
+
C2
–
11
7
8
10
14
13
V2X
V3X
V
INV
V
IN
SHDN
MODE
SW
V
OUT
V
NEG
LTC3450
GND
12
15
16
1
2
3
6
5
OFF ON
BLANK SCAN
47
μ
H
4
9
2.2
μ
F
0.47
μ
F
0.1
μ
F
0.1
μ
F
C3
–
C3
+
AV
DD
Efficiency vs V
IN
V
IN
(V)
1.5
E
100
95
90
85
80
75
70
3.0
4.0
3450 TA01b
2.0
2.5
3.5
4.5
5.0
100
μ
H
47
μ
H
5mA LOAD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3450EUD#PBF | 功能描述:IC CONV PS TRIPLE TFT/LCD 16QFN 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:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| LTC3450EUD#TR | 功能描述:IC CONV PS TRIPLE TFT/LCD 16QFN RoHS:否 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 |
| LTC3450EUD#TRPBF | 功能描述:IC CONV PS TRIPLE TFT/LCD 16QFN 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 |
| LTC3452 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Synchronous Buck-Boost MAIN/CAMERA White LED Driver |
| LTC3452EUF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Synchronous Buck-Boost MAIN/CAMERA White LED Driver |
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